CN113041086B - Microvascular decompression device for facial spasm cranial nerve diseases - Google Patents
Microvascular decompression device for facial spasm cranial nerve diseases Download PDFInfo
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- CN113041086B CN113041086B CN202110321254.3A CN202110321254A CN113041086B CN 113041086 B CN113041086 B CN 113041086B CN 202110321254 A CN202110321254 A CN 202110321254A CN 113041086 B CN113041086 B CN 113041086B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
- A61G13/121—Head or neck
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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
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Abstract
The invention relates to a medical apparatus, in particular to a microvascular decompression device for facial spasm cranial nerve diseases, which comprises a movable platen and a fixed frame vertically fixed on the movable platen, wherein a fixed ring is arranged in the fixed frame through a bolt, and a restraining component for fixing the head of a patient is arranged on the fixed ring; a driving mechanism connected with the restraint assembly is arranged below the movable platen, and the driving mechanism comprises a self-locking transmission structure and a rotating structure connected with the self-locking transmission structure and the restraint assembly; the adjustable head restraint device has the advantages that the adjustable structure drives the movable table plate and the restraint assembly and the driving mechanism arranged on the adjustable table plate to swing so as to adjust the head of a patient to a proper position for operation, the self-locking transmission structure drives the rotating structure to rotate after adjustment is completed, the rotating structure is finally utilized to drive the restraint assembly to move so as to fix the skull of the patient, the patient is prevented from vibrating in the operation process, and the self-locking transmission structure can ensure that the clamping force of the restraint assembly is not loosened.
Description
Technical Field
The invention relates to a medical apparatus, in particular to a microvascular decompression device for facial spasm cranial nerve diseases.
Background
The microvascular decompression is mainly used for treating trigeminal neuralgia and prosopospasm and mainly comprises conservative treatment and operative treatment, and the conservative treatment mainly comprises oral carbamazepine and botulinum toxin intramuscular injection treatment.
Conservative treatment has certain curative effect in early onset, but symptoms cannot be controlled in later period; the operation treatment is specifically that after the affected lateral ear and in the hairline, a straight incision is longitudinally made on the skull, the skull is holed, the skull enters the area of the paranoid horn under a microscope, the area of the trigeminal nerve is explored, all blood vessels and arachnoid cord which can be pressed are loosened, and the blood vessels are isolated from nerve roots.
At present, when a microvascular decompression operation is performed in medical science, a proper body position and a head position are a basis for satisfactory exposure, and the three-pin-head frame is usually used for fixation, but is very inconvenient to operate, poor in firmness and easy to loosen when used.
Disclosure of Invention
The invention aims to provide a microvascular decompression device for facial spasm cranial nerve diseases, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a microvascular decompression device for facial spasm cranial nerve diseases comprises a movable platen and a fixed frame vertically fixed on the movable platen, wherein a fixed ring is installed in the fixed frame through a bolt, and a constraint component for fixing the head of a patient is arranged on the fixed ring;
a driving mechanism connected with the restraint assembly is arranged below the movable platen, and the driving mechanism comprises a self-locking transmission structure and a rotating structure connected with the self-locking transmission structure and the restraint assembly;
one side of the movable bedplate is movably provided with a mounting plate which is fixedly mounted with the operating table, and an adjusting structure for adjusting the pitch angle of the movable bedplate is further arranged between the mounting plate and the movable bedplate.
As a further scheme of the invention: the restraint assembly comprises a plurality of swing rods which are distributed on the fixing ring along the circumference, a plurality of through grooves are formed in the outer wall of the fixing ring along the circumference, and the swing rods penetrate through the through grooves and are rotatably connected with the through grooves through pin shafts;
the two ends of the swing rod are rotatably provided with idler wheels, the outer part of the fixing ring is rotatably sleeved with a rotating ring, a plurality of caulking grooves are formed in the inner wall of the rotating ring along the circumference, the idler wheels at the outer edge of the swing rod are embedded in the caulking grooves in a rolling mode, and the rotating structure is connected with the rotating ring.
As a still further scheme of the invention: the outer wall of the fixing ring is provided with a circle of stop ring, the stop ring is attached to one side of the swing rod, the swing ring is connected with the rotating structure through a toothed belt, and a plurality of teeth matched with the toothed belt are distributed on the outer wall of the swing ring in a circumferential mode.
As a still further scheme of the invention: the automatic locking device comprises a movable platen, a rotating structure and a self-locking transmission structure, wherein a mounting part is vertically fixed below the movable platen, the rotating structure comprises a second bevel gear which is rotatably arranged below the movable platen, a driving shaft which is horizontally and rotatably arranged on the mounting part, and a first bevel gear which is fixed at the end part of the driving shaft and is meshed with the second bevel gear, the second bevel gear is connected with the self-locking transmission structure, and a toothed belt is connected with the driving shaft.
As a still further scheme of the invention: the self-locking transmission structure comprises a worm, a worm wheel and a triangular belt, wherein the worm is horizontally and rotatably arranged below the movable platen, the worm wheel is rotatably arranged on the mounting piece and meshed with the worm, and the triangular belt is used for connecting the worm wheel and the second-order bevel gear;
one end of the worm is installed on the installation part through a bearing, and the other end of the worm is rotatably sleeved on a sleeve fixed below the movable bedplate.
As a still further scheme of the invention: the worm penetrates through the sleeve and is connected with a power device, and the power device is an adjusting wheel coaxially fixed at the end part of the worm or a servo motor arranged on the movable platen.
As a still further scheme of the invention: the adjusting structure comprises a power cylinder horizontally fixed below the mounting plate, a piston rod coaxially arranged on one side of the power cylinder close to the movable bedplate in a sliding and telescopic mode, and a connecting rod for connecting the piston rod and the movable bedplate;
one end of the connecting rod is pivoted with the end head of the piston rod, and the other end of the connecting rod is rotatably connected with the movable bedplate.
Compared with the prior art, the invention has the beneficial effects that: install whole device on the operation table through the mounting panel, drive movable platen and the restraint subassembly and the actuating mechanism swing that set up on it with the help of adjusting the structure to adjust patient's head to the suitable position of operation, drive revolution mechanic through auto-lock transmission structure after adjusting well and rotate, finally utilize revolution mechanic to drive restraint subassembly action and fix patient's skull, prevent that the patient from vibrating at the operation in-process, and auto-lock transmission structure can guarantee that the clamping-force of restraint subassembly is lax.
Drawings
FIG. 1 is a schematic view of a microvascular pressure reducer for facial spasm cranial nerve disorders.
Figure 2 is a right side view of a restraint assembly in a microvascular pressure reduction device for facial spasm cranial nerve disorders in a clamped state.
Figure 3 is a right side view of a microvascular decompression device having a facial spasm cranial nerve disorder with the restraining assembly in an expanded state.
FIG. 4 is a schematic structural view of a stopping check ring, a through groove and a swing rod of a microvascular decompression device for facial spasm cranial nerve diseases.
Fig. 5 is a schematic structural view of a rotary ring and an embedding groove in the microvascular decompression device for the facial spasm cranial nerve diseases.
In the figure: 1-a movable bedplate; 2-a fixed mount; 3-rotating; 4-fixing the ring; 5, groove penetration; 6-a pin shaft; 7-oscillating bar; 8-a roller; 9-caulking groove; 10-a stop ring; 11-a toothed belt; 12-a drive shaft; 13-a mounting member; 14-bevel gear number one; 15-second bevel gear; 16-V belt; 17-a worm gear; 18-a worm; 19-a regulating wheel; 20-mounting a plate; 21-a power cylinder; 22-a piston rod; 23-connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element described herein as being "secured to" or "disposed on" another element may be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1~5, in an embodiment of the present invention, a microvascular decompression device for facial spasm cranial nerve diseases includes a movable platen 1 and a fixed frame 2 vertically fixed on the movable platen 1, a fixed ring 4 is installed in the fixed frame 2 through a bolt, and a constraint component for fixing the head of a patient is arranged on the fixed ring 4;
a driving mechanism connected with the restraint assembly is arranged below the movable bedplate 1, and the driving mechanism comprises a self-locking transmission structure and a rotating structure connected with the self-locking transmission structure and the restraint assembly;
in detail, a mounting plate 20 for being fixedly mounted with an operating table is movably arranged on one side of the movable bedplate 1, and an adjusting structure for adjusting the pitch angle of the movable bedplate 1 is further arranged between the mounting plate 20 and the movable bedplate 1.
In the embodiment of the invention, when in use, the whole device is firstly installed on an operating bed through the installation plate 20, the movable bedplate 1, the restraint assembly arranged on the movable bedplate and the driving mechanism are driven to swing by the adjusting structure so as to adjust the head of a patient to a proper position for operation, the self-locking transmission structure drives the rotating structure to rotate after the adjustment is finished, and finally the rotating structure drives the restraint assembly to act to fix the skull of the patient, so that the patient is prevented from vibrating in the operation process, and the self-locking transmission structure can ensure that the clamping force of the restraint assembly is not loosened.
In the embodiment of the present invention, the middle of the mounting plate 20 is hollow, and the hollow width is equal to the width of the operating table, so as to fix the mounting plate 20 on the edge of the operating table.
As an embodiment of the present invention, the restraining component includes a plurality of swing rods 7 circumferentially distributed on the fixing ring 4, a plurality of through grooves 5 are circumferentially formed on an outer wall of the fixing ring 4, and the swing rods 7 penetrate through the through grooves 5 and are rotatably connected thereto by a pin 6;
the both ends of pendulum rod 7 all rotate and install gyro wheel 8, the outside of solid fixed ring 4 is rotated the registrate and is had a change 3, has seted up a plurality of caulking grooves 9 along the circumference on the 3 inner walls of change, the gyro wheel 9 roll gomphosis of pendulum rod 7 outer fringe is in the caulking groove 9, revolution mechanic connects change 3.
In the embodiment of the invention, the rotating structure is utilized to drive the rotating ring 3 to rotate, the rotating ring 3 drives the roller 8 at the outer edge of the oscillating bar 7 to move in the embedded groove 9 by virtue of the embedded groove 9 on the inner wall of the rotating ring, so that the oscillating bar 7 is driven to swing around the rotating pin 6, and the plurality of rollers 8 at the inner edge of the oscillating bar 7 are mutually gathered or separated in a circumferential manner to fix the skull of a patient.
As an embodiment of the invention, a circle of stop ring 10 is arranged on the outer wall of the fixed ring 4, the stop ring 10 is attached to one side of the rotating ring 3, which is far away from the swing rod 7, the rotating ring 3 is connected with the rotating structure through a toothed belt 11, and a plurality of teeth matched with the toothed belt 11 are circumferentially distributed on the outer wall of the rotating ring 3.
In the embodiment of the invention, when the rotating structure works, the toothed belt 11 is used for driving the rotating ring 3 to rotate, so as to drive the caulking groove 9 on the rotating ring to rotate along with the rotating structure, and the two sides of the rotating ring 3 are respectively restrained by the swing rod 7 and the stop ring 10, so that the rotating ring cannot axially slide along the outer wall of the fixed ring 4.
As an embodiment of the present invention, a mounting member 13 is vertically fixed below the movable platen 1, the rotating structure includes a second bevel gear 15 rotatably disposed below the movable platen 1, a driving shaft 12 horizontally rotatably disposed on the mounting member 13, and a first bevel gear 14 fixed to an end of the driving shaft 12 and engaged with the second bevel gear 15, the second bevel gear 15 is connected to the self-locking transmission structure, and the toothed belt 11 is connected to the driving shaft 12.
In the embodiment of the invention, the second-number bevel gear 15 is driven to rotate through the self-locking transmission structure, the first-number bevel gear 14 and the driving shaft 12 are driven to rotate by the rotating second-number bevel gear 15, the direction changing function is realized, and the driving shaft 12 drives the rotating ring 3 to rotate by the toothed belt 11.
In the embodiment of the invention, a through hole for the toothed belt 11 to pass through is formed in the movable platen 1, a shaft sleeve is sleeved on one side of the driving shaft 12 close to the first bevel gear 14 and fixed below the movable platen 1, and the shaft sleeve is matched with the mounting part 13 to restrain two ends of the driving shaft 12 so as to reduce the circumferential runout.
As an embodiment of the present invention, the self-locking transmission structure includes a worm 18 horizontally rotatably disposed below the movable platen 1, a worm wheel 17 rotatably disposed on the mounting member 13 and engaged with the worm 18, and a triangular belt 16 connecting the worm wheel 17 and the second bevel gear 15;
one end of the worm 18 is mounted on the mounting part 13 through a bearing, and the other end is rotatably sleeved on a sleeve fixed below the movable platen 1.
In the embodiment of the invention, the worm gear 18 is used for rotating to drive the worm wheel 17 to rotate, the rotating worm wheel 17 drives the second bevel gear 15 to rotate through the triangular belt 16, and the worm wheel and worm transmission has a one-way self-locking function, so that after the skull of a patient is fixed, the worm wheel 17 cannot drive the worm 18 to rotate reversely, and the locking state is maintained.
As an embodiment of the present invention, the worm 18 passes through the sleeve and is connected to a power device, and the power device is an adjusting wheel 19 coaxially fixed at the end of the worm 18 or a servo motor installed on the movable platen 1.
In the embodiment of the present invention, the worm 18 can be driven to rotate manually by using the adjusting wheel 19, so as to fix the head of the patient, or the worm 18 can be driven to rotate automatically by using the servo motor, so as to fix and relax the head of the patient.
As an embodiment of the present invention, the adjusting structure includes a power cylinder 21 horizontally fixed below the mounting plate 20, a piston rod 22 coaxially slidably and telescopically arranged on one side of the power cylinder 21 close to the movable platen 1, and a connecting rod 23 connecting the piston rod 22 and the movable platen 1;
one end of the connecting rod 23 is pivoted with the end of the piston rod 22, and the other end of the connecting rod is rotatably connected with the movable bedplate 1.
In the embodiment of the present invention, the power cylinder 21 includes, but is not limited to, an air cylinder or a hydraulic cylinder, and the air cylinder or the hydraulic cylinder can drive the piston rod 22 to horizontally slide along the axis of the power cylinder 21, and drive the connecting rod 23 to drive the movable platen 1 and the restraining assembly and the driving mechanism thereon to swing when the piston rod 22 horizontally slides.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. The microvascular decompression device for the facial spasm cranial nerve diseases is characterized by comprising a movable platen (1) and a fixing frame (2) vertically fixed on the movable platen (1), wherein a fixing ring (4) is installed in the fixing frame (2) through a bolt, and a restraining component for fixing the head of a patient is arranged on the fixing ring (4);
a driving mechanism connected with the restraint assembly is arranged below the movable bedplate (1), and the driving mechanism comprises a self-locking transmission structure and a rotating structure connected with the self-locking transmission structure and the restraint assembly;
a mounting plate (20) fixedly mounted with an operating bed is movably arranged on one side of the movable bedplate (1), and an adjusting structure for adjusting the pitching angle of the movable bedplate (1) is further arranged between the mounting plate (20) and the movable bedplate (1);
the restraint assembly comprises a plurality of swing rods (7) distributed on the fixing ring (4) along the circumference, a plurality of through grooves (5) are formed in the outer wall of the fixing ring (4) along the circumference, and the swing rods (7) penetrate through the through grooves (5) and are rotatably connected with the through pins (6);
the two ends of the swing rod (7) are rotatably provided with idler wheels (8), the outer part of the fixed ring (4) is rotatably sleeved with the rotating ring (3), the inner wall of the rotating ring (3) is provided with a plurality of caulking grooves (9) along the circumference, the idler wheels (8) at the outer edge of the swing rod (7) are embedded in the caulking grooves (9) in a rolling manner, and the rotating structure is connected with the rotating ring (3);
a circle of stop ring (10) is arranged on the outer wall of the fixed ring (4), the stop ring (10) is attached to one side, away from the swing rod (7), of the rotating ring (3), the rotating ring (3) is connected with the rotating structure through a toothed belt (11), and a plurality of teeth matched with the toothed belt (11) are circumferentially distributed on the outer wall of the rotating ring (3);
a mounting part (13) is vertically fixed below the movable bedplate (1), the rotating structure comprises a second bevel gear (15) rotatably arranged below the movable bedplate (1), a driving shaft (12) horizontally rotatably arranged on the mounting part (13), and a first bevel gear (14) fixed at the end part of the driving shaft (12) and meshed with the second bevel gear (15), the second bevel gear (15) is connected with the self-locking transmission structure, and a toothed belt (11) is connected with the driving shaft (12);
the self-locking transmission structure comprises a worm (18) horizontally and rotatably arranged below the movable bedplate (1), a worm wheel (17) rotatably arranged on the mounting piece (13) and meshed with the worm (18), and a triangular belt (16) connecting the worm wheel (17) and the second bevel gear (15);
one end of the worm (18) is mounted on the mounting piece (13) through a bearing, and the other end of the worm is rotatably sleeved on a sleeve fixed below the movable bedplate (1).
2. The microvascular decompression device of cranial nerve disorders of facial spasm according to claim 1, wherein the worm (18) passes through the sleeve and is connected to a power device, the power device is an adjusting wheel (19) coaxially fixed at the end of the worm (18) or a servo motor mounted on the movable platen (1).
3. The microvascular decompression device for the facial spasm cranial nerve disorder according to any one of claims 1-2, wherein the adjusting structure comprises a power cylinder (21) horizontally fixed below the mounting plate (20), a piston rod (22) coaxially and slidably and telescopically arranged at one side of the power cylinder (21) close to the movable platen (1), and a connecting rod (23) connecting the piston rod (22) and the movable platen (1);
one end of the connecting rod (23) is pivoted with the end of the piston rod (22), and the other end of the connecting rod is rotatably connected with the movable bedplate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110321254.3A CN113041086B (en) | 2021-03-25 | 2021-03-25 | Microvascular decompression device for facial spasm cranial nerve diseases |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110321254.3A CN113041086B (en) | 2021-03-25 | 2021-03-25 | Microvascular decompression device for facial spasm cranial nerve diseases |
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| CN113041086A CN113041086A (en) | 2021-06-29 |
| CN113041086B true CN113041086B (en) | 2022-11-04 |
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| CN112336573A (en) * | 2020-11-09 | 2021-02-09 | 苏州市立医院 | A supplementary fixing device of anesthesia for brain surgery |
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| US9808322B2 (en) * | 2014-08-27 | 2017-11-07 | Vito Del Deo | Method and device for positioning and stabilization of bony structures during maxillofacial surgery |
| US20160354265A1 (en) * | 2015-06-04 | 2016-12-08 | Frederick Usoltseff | Inflatable head support apparatus to maintain neutrally aligned neck position |
| CN110037886A (en) * | 2019-04-11 | 2019-07-23 | 李丽 | A kind of fixed device of the ophthalmic facilitating head rotation |
| CN111904777A (en) * | 2020-08-26 | 2020-11-10 | 重庆永川爱尔眼科医院有限公司 | Adjustable ophthalmic surgery head position fixer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6584630B1 (en) * | 2000-04-06 | 2003-07-01 | Ohio Medical Instrument Company, Inc. | Radiolucent surgical table extension assembly and method |
| CN108201489A (en) * | 2018-03-24 | 2018-06-26 | 苏州市职业大学（苏州开放大学） | It is a kind of can self-locking safe wheelchair |
| CN209301800U (en) * | 2018-06-26 | 2019-08-27 | 太仓艺斯高医疗器械科技有限公司 | A kind of sterilizer interlock |
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| CN113041086A (en) | 2021-06-29 |
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