CN107510571A - A kind of ganglioside GM_3 incidence positioning operation platform - Google Patents
A kind of ganglioside GM_3 incidence positioning operation platform Download PDFInfo
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- CN107510571A CN107510571A CN201710946197.1A CN201710946197A CN107510571A CN 107510571 A CN107510571 A CN 107510571A CN 201710946197 A CN201710946197 A CN 201710946197A CN 107510571 A CN107510571 A CN 107510571A
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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
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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
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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
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
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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
- A61G2210/00—Devices for specific treatment or diagnosis
- A61G2210/50—Devices for specific treatment or diagnosis for radiography
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- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
A kind of ganglioside GM_3 incidence positioning operation platform,Incidence is not allowed to be fixed easily during effectively solving ganglioside GM_3,Inconvenient doctor's operation,The problems such as easily causing surgical error,Including frame,Frame, which slides up and down, is connected with headrest,Headrest lower section is provided with symmetrical the first rotary shaft and the second rotary shaft,First rotary shaft is fixed with left supporting plate and the first partial gear successively,Left supporting plate connects with headrest,First partial gear is engaged with the first rack,Left clamping plate is fixedly connected with above first rack,Second rotary shaft is fixed with right supporting plate and the second partial gear successively,Right supporting plate connects with headrest,Second partial gear is engaged with the second rack,Right clamping plate is fixedly connected with above second rack,Headrest is formed to move downward,The first rotary shaft and the second rotary shaft opposite direction rotating is driven to move,The structure for controlling left clamping plate and right clamping plate to be drawn close to centre,Utilize patient itself head gravity,It effectively can tentatively fix incidence,Improve operating efficiency.
Description
Technical field
The present invention relates to technical field of medical auxiliary equipment, more particularly to a kind of ganglioside GM_3 incidence positioning operation
Platform.
Background technology
With digital subtraction angiography（DSA）The raising of equipment performance and the maturation of interventional technique, ganglioside GM_3 is with it
Wound is small, recovers fast advantage, it has also become various big hospital Neurology, neurosurgery, the one of dept. of radiology's Efforts To Develop in the world
Item technology, mainly including aortocranial angiography, the revascularization of ischemic cerebrovascular disease and forming treatment, hemorrhagic cerebrovascular disease
Embolotherapy etc., therefore in the interventional programs of various big hospital, the shared ratio of ganglioside GM_3 diagnosis and treatment operation is very
It is big, during in order to obtain a clear, accurate head DSA images and interventional embolization or stenter to implant, the complication of operation
Reduce, the incidence fixation of patient with operation is critically important, is related to the success or failure of operation, because of most of ganglioside GM_3s in practical operation
Operation uses local anaesthesia or Intravenous Anesthesia, because patient is different to the tolerance degree of arcotic, under contrast agent stimulation, produces meaning
Know obstacle, dizziness, aphasia and be not understood that doctor instructs, the incidence of patient can be movable, the image mould so when DSA is imaged
Paste distortion, unfavorable diagnosis, especially in the stenter to implant of aneurysm, the embolism of arteriovenous malformation and hemadostewnosis, Huan Zhetou
The displacement of cranium can cause the severe complication such as embolism mistake or support mistake to occur.
It is therefore desirable to a kind of ganglioside GM_3 incidence positioning operation platform solves this problem.
The content of the invention
For the above situation, to overcome the defect of prior art, the purpose of the present invention is just to provide a kind of ganglioside GM_3 head
Neck positioning operation platform, incidence is not allowed to be fixed easily during effectively solving ganglioside GM_3, it has not been convenient to which doctor operates, easily
The problems such as causing surgical error.
Its technical scheme solved is that the present invention includes frame, and frame, which slides up and down, is connected with headrest, and headrest lower section is provided with
Symmetrical the first rotary shaft and the second rotary shaft, the first rotary shaft are fixed with left supporting plate and the first partial gear successively,
Left supporting plate connects with headrest, and the first partial gear is engaged with the first rack, and left clamping plate is fixedly connected with above the first rack, the
Two rotary shafts are fixed with right supporting plate and the second partial gear successively, and right supporting plate connects with headrest, the engagement of the second partial gear
There is the second rack, right clamping plate is fixedly connected with above the second rack, form headrest and move downward, drive the first rotary shaft and second
Rotary shaft opposite direction rotating moves, the structure for controlling left clamping plate and right clamping plate to be drawn close to centre, the first rotary shaft and the second rotary shaft
Outside is respectively equipped with two circular arc brake pads, and circular arc brake pad lower end is fixed with contiguous block, contiguous block can level move left and right, even
Connect and alignment pin is fixed with block, alignment pin slidably connects transverse slat, and transverse slat is provided with symmetrically and is slidably connected with alignment pin
Tipper, transverse slat can slide up and down, when transverse slat moves upwards, drive two circular arc brake pads depart from respectively the first rotary shaft and
Second rotary shaft, when transverse slat moves downward, two circular arc brake pads are driven to clamp the first rotary shaft and the second rotary shaft respectively, the
Torsion spring is respectively and fixedly provided with one rotary shaft and the second rotary shaft；
The first movable block is slidably connected below left clamping plate, the first movable block is threaded with the 3rd rotary shaft, the 3rd rotary shaft
It is threadedly coupled with frame, the second movable block is slidably connected below right clamping plate, the second movable block is threaded with the 4th rotary shaft,
4th rotary shaft is threadedly coupled with frame, and the first movable block and the second movable block are connected with housing slide, the first movable block and
Block is slidably connected in second movable block, block is provided with multiple catch pawls, is equipped with left clamping plate and right clamping plate and catch pawl
When the straight pin of cooperation, catch pawl and straight pin coordinate, the first movable block forms an entirety, the second movable block and the right side with left clamping plate
Clamping plate forms an entirety.
Clever structure of the present invention, incidence can be effectively fixed, improve operating efficiency, and utilize head self gravitation,
Primary Location is automatically adjusted, saves the time, while uses link gear, simple operation, safely and effectively.
Brief description of the drawings
Fig. 1 is the schematic diagram of front view of the present invention.
Fig. 2 is the front view schematic diagram of pre- clamping structure in Fig. 1.
Fig. 3 is the front view schematic diagram of thin clamping structure in Fig. 1（Fig. 1 subtracts Fig. 2 part）.
Fig. 4 is the schematic diagram of top view of the present invention.
Fig. 5 is the top view illustration of pre- clamping structure in Fig. 4.
Fig. 6 is the top view illustration of thin clamping structure in Fig. 4（Fig. 4 subtracts Fig. 5 part）.
Fig. 7 is the schematic diagram of left clamping plate stereochemical structure in the present invention.
Fig. 8 is that the first movable block and block are slidably connected the schematic diagram of stereochemical structure in the present invention.
Fig. 9 is the schematic diagram of the first partial gear stereochemical structure in the present invention.
Figure 10 is the schematic diagram of block in the present invention.
Figure 11 is the schematic diagram of click structure in the present invention.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with accompanying drawing.
Provided by Fig. 1 to Figure 11, a kind of ganglioside GM_3 incidence positioning operation platform, including frame 1, frame 1 slide up and down
Headrest 15 is connected with, the lower section of headrest 15 is provided with symmetrical the first rotary shaft 6 and the second rotary shaft 7, and the first rotary shaft 6 is successively
The left partial gear 8 of supporting plate 4 and first is fixed with, left supporting plate 4 is connected with headrest 15, and the first partial gear 8 is engaged with first
Rack 10, the top of the first rack 10 are fixedly connected with left clamping plate 2, and it is endless that the second rotary shaft 7 is fixed with right supporting plate 5 and second successively
All gear 9, right supporting plate 5 are connected with headrest 15, and the second partial gear 9 is engaged with the second rack 11, and the top of the second rack 11 is solid
Surely right clamping plate 3 is connected with, headrest 15 is formed and moves downward, drives the first rotary shaft 6 and the motion of the opposite direction rotating of the second rotary shaft 7,
The structure for controlling left clamping plate 2 and right clamping plate 3 to be drawn close to centre, the first rotary shaft 6 and the outside of the second rotary shaft 7 are respectively equipped with two
Circular arc brake pad 25, the lower end of circular arc brake pad 25 are fixed with contiguous block 26, contiguous block 26 can level move left and right, on contiguous block 26
Alignment pin 38 is fixed with, alignment pin 38 slidably connects transverse slat 27, and transverse slat 27 is provided with symmetrically and slided with alignment pin 38
The tipper 39 of connection, transverse slat 27 can slide up and down, and when transverse slat 27 moves upwards, drive two circular arc brake pads 25 to depart from respectively
First rotary shaft 6 and the second rotary shaft 7, when transverse slat 27 moves downward, two circular arc brake pads 25 are driven to clamp first turn respectively
Torsion spring 28 is respectively and fixedly provided with the rotary shaft 7 of moving axis 6 and second, the first rotary shaft 6 and the second rotary shaft 7；
The lower section of left clamping plate 2 slidably connects the first movable block 12, and the first movable block 12 is threaded with the 3rd rotary shaft 14, and the 3rd
Rotary shaft 14 is threadedly coupled with frame 1, and the right lower section of clamping plate 3 slidably connects the second movable block 13, and the screw thread of the second movable block 13 connects
The 4th rotary shaft 16 is connected to, the 4th rotary shaft 16 is threadedly coupled with frame 1, and the first movable block 12 and the second movable block 13 are and machine
Frame 1 is slidably connected, and block 22 is slidably connected in the first movable block 12 and the second movable block 13, and block 22 is provided with multiple gears
Pawl 23, the straight pin 36 coordinated with catch pawl 23 is equipped with left clamping plate 2 and right clamping plate 3, when catch pawl 23 coordinates with straight pin 36, the
One movable block 12 forms an entirety with left clamping plate 2, and the second movable block 13 forms an entirety with right clamping plate 3.
The described right-hand member of the 4th rotary shaft 16 is provided with keyway, and power transmission shaft 24 is rotatably connected in keyway, is pacified on power transmission shaft 24
Equipped with the clockwork spring 33 being fixedly connected with frame 1, the right-hand member of power transmission shaft 24 is fixed with ratchet 34, is fixed with frame 1 and spine
34 corresponding ratchets 35 are taken turns, the rotary motion of power transmission shaft 24, the screw of the 4th rotary shaft 16 can be driven.
The 4th described rotary shaft 16 is provided with spline, and spline is connected with the first gear 17 in the groove of frame 1, the
The helical rotation of four rotary shaft 16,17 rotary motions of first gear, the external toothing of first gear 17 have second gear 18, second gear
18 are coaxially fixed with the 3rd gear 19, and the external toothing of the 3rd gear 19 has idle pulley 20, and the external toothing of idle pulley 20 and the 3rd rotary shaft 14 are same
4th gear 21 of axle, the lower end of the 4th gear 21 are located in the groove of frame, the 4th rotary motion of gear 21.
Described first gear 17 and second gear 18 is identical, and second gear 18 coaxially drives the 3rd gear 19 to rotate one
Week, the 4th gear 21 of the external toothing of idle pulley 20 also rotate one week.
The 3rd described rotary shaft 14 includes the first threaded rod 29 and the second threaded rod 30, and the first threaded rod 29 and first is lived
Motion block 12 is threadedly coupled, and the second threaded rod 30 is threadedly coupled with frame 1, and the helical pitch of the second threaded rod 30 is more than the first threaded rod 29
Helical pitch.
The 4th described rotary shaft 16 includes the 3rd threaded rod 31 and the 4th threaded rod 32, and the 3rd threaded rod 31 and second is lived
Motion block 13 is threadedly coupled, and the 4th threaded rod 32 is threadedly coupled with frame 1, and the helical pitch of the 4th threaded rod 32 is more than the 3rd threaded rod 31
Helical pitch.
The described lower slide of contiguous block 26 is socketed with the first sliding groove 37 fixed with frame 1.
Described transverse slat 27 slides up and down the second sliding groove 40 for being connected with and being fixed with frame 1, and transverse slat 27 is provided with and the
Fastening bolt 41 corresponding to two sliding grooves 40.
In the use of the present invention, fastening bolt 41 is tightened on the second sliding groove 40, circular arc brake pad 25 clamps respectively
One rotary shaft 6 and the second rotary shaft 7, the area of the support headrest 15 of left supporting plate 4 and right supporting plate 5 is sufficiently large, when patient lies in head
On pillow 15, it is sufficient to ensure that the position of headrest 15 keeps constant, when patient lies good position, now unclamp fastening bolt 41, drive horizontal
Plate 27 is respectively further from the first rotary shaft 6 and the second rotary shaft 7 along the upward sliding of the second sliding groove 40, two circular arc brake pads 25,
Be respectively fixed with torsion spring 28 in first rotary shaft 6 and the second rotary shaft 7, when circular arc brake pad 25 respectively with the first rotary shaft 6 and
When second rotary shaft 7 departs from, transverse slat 27 is tightened on the second sliding groove 40 by fastening bolt 41, due to the gravity by head,
Under the protection of torsion spring 28, headrest 15 slowly falls, and drives left supporting plate 4 and right supporting plate 5 to middle slip, and then drive first turn
The rotary shaft 7 of moving axis 6 and second rotates, and the first partial gear 8 in the first rotary shaft 6 drives the first rack 10 to move right,
First rack 10 is fixedly arranged above left clamping plate 2, and left clamping plate 2 slides to the right on the first movable block 12, due to the 3rd rotary shaft 14
It is to be threadedly coupled with the first movable block 12, left clamping plate 2 slides on the first movable block 12, is not enough to cause the phase of the first movable block 12
Slip to frame 1, the second partial gear 9 in the second rotary shaft 7 drive the second rack 11 to left movement, the second rack 11
Right clamping plate 3 is fixedly arranged above, right clamping plate 3 slides to the left on the second movable block 13, due to the 4th rotary shaft 16 and the second activity
Block 13 is threaded connection, and right clamping plate 3 slides on the second movable block 13, is not enough to cause 13 relative frame 1 of the second movable block
Slide, 15 the right and left uniform forces of resting the head on, left clamping plate 2 and right clamping plate 3 are identical to the mobile distance in centre, reach Primary Location
Effect, time saving and energy saving, convenient and swift, when rack and pinion engagement terminates, headrest 15 can also be transported downwards in the presence of torsion spring 28
A dynamic segment distance, rack-and-pinion depart from, it is ensured that patient keeps a determining deviation with left clamping plate 2, right clamping plate 3, avoids the occurrence of trouble
The postoperative phenomenon for being inconvenient to stand up of person, now, fastening bolt 41 is unclamped, transverse slat 27 moves downward, the relative tilt groove of alignment pin 38
39 draw close to middle direction, and circular arc brake pad 25 clamps the first rotary shaft 6 and the second rotary shaft 7, then tightens fastening bolt
41, ensure the stability of headrest 15, reduce patient risk；
When Primary Location is completed, block 22 is stirred, catch pawl 23 is coordinated with straight pin 36, then screw thread is tightened, it is ensured that Zuo Jia
The movable block 12 of plate 2 and first turns into an entirety, and the right movable block 13 of clamping plate 3 and second turns into an entirety, the left end of power transmission shaft 24
It is radially inserted into the keyway of the 4th rotary shaft 16, when rotating drive shaft 24, power transmission shaft 24 drives the spiral of the 4th rotary shaft 16
To left movement, the 4th rotary shaft 16 is connected with first gear 17, the external toothing second gear 18 of first gear 17, and second gear 18 is same
Axle is fixed with the 3rd gear 19, and the external toothing of the 3rd gear 19 has idle pulley 20, and the external toothing of idle pulley 20 and the 3rd rotary shaft 14 are coaxial
In the groove of frame 1, the 4th rotary shaft 16 is provided with and first for 4th gear 21, first gear 17 and the lower end of the 4th gear 21
The spline that gear 17 is engaged, flower key length are more than the internal diameter of first gear 17, and the 3rd rotary shaft 14 is provided with and the 4th gear
21 splines being engaged, flower key length are more than the internal diameter of the 4th gear 21, and the rotation of the 4th rotary shaft 16 drives the 3rd turn simultaneously
Helical rotation, the gear 21 of first gear 17 and the 4th only rotate moving axis 14 together, and spline can be in first gear 17 and
Horizontally slipped in four gears 21 in rotation process, first gear 17 and second gear 18 are identical, and second gear 18 coaxially drives the
Three gears 19 rotate one week, and the 4th gear 21 engaged through idle pulley 20 also rotates one week, it is ensured that the 4th rotary shaft 16 and the 3rd turn
The circumference that moving axis 14 rotates is identical, both sides synchronous interaction；
First movable block 12 and the second movable block 13 are slidably connected in frame 1 respectively, be respectively equipped with the 3rd rotary shaft 14 with
First threaded rod 29 of the first movable block 12 threaded connection, the second threaded rod 30 being threadedly coupled with frame 1, the second threaded rod 30
Helical pitch be more than the helical pitch of the first threaded rod 29, the 4th power transmission shaft 16 is respectively equipped with the 3rd screw thread being connected with the second movable block 13
Bar 31, the 4th threaded rod 32 being threadedly coupled with frame 1, the helical pitch of the 4th threaded rod 32 are more than the helical pitch of the 3rd threaded rod 31,
During the 4th 16 rotary motion of rotary shaft, the 3rd threaded rod 31, the 4th threaded rod 32, the second movable block 13 and frame 1 form differential
Worm drive, the second movable block 13 is identical with the rotation direction of frame 1, each rotation of the 4th rotary shaft 16, and the second movable block 13 drives
Right clamping plate 3 is overall to left movement, and the distance actually moved is the difference of the 4th threaded rod 32 and the helical pitch of the 3rd threaded rod 31, similarly,
During the 3rd 14 rotary motion of rotary shaft, the first threaded rod 29, the second threaded rod 30, the first movable block 12 and frame 1 form differential
Worm drive, the first movable block 12 is also identical with the rotation direction of frame 1, each rotation of the 3rd rotary shaft 14, the band of the first movable block 12
Dynamic left clamping plate 2 is overall to the right, and the distance actually moved is the difference of the second threaded rod 30 and the helical pitch of the first threaded rod 29, left clamping plate 2
When being drawn close with right clamping plate 3 in, it is ensured that stroke relative decrease, have the function that fine adjustments, avoid patient from being crushed, more in fact
With effective, more human nature cares；
During the rotary motion of power transmission shaft 24, the 4th rotary shaft 16 is in the presence of power transmission shaft 24, and spiral is to left movement, and
One gear 17 is connected with the spline of the 4th rotary shaft 16, and the axial length of spline is more than the internal diameter of first gear 17, first gear 17
Lower end is in the groove of frame 1, and when the 4th rotary shaft 16 is to left movement, the position of first gear 17 is constant, and spline is first
Slide in gear 17, it is ensured that the stability that first gear 17 and second gear 18 engage, and then ensure the 4th rotary shaft 16 and the
Three rotary shafts 14 are linked steadily effectively, and the left end of power transmission shaft 24 is slidably connected in keyway, it is ensured that power transmission shaft 24 drives the 4th to rotate
While axle 16 rotates, ensure that the 4th rotary shaft 16 can be fixed with the He of clockwork spring 33 successively to left movement, on power transmission shaft 24 again
Ratchet 34, ratchet 35 are fixed in frame 1, due to the effect of click, are prevented power transmission shaft 24 from reversing, are safely and effectively fixed
The head of patient, one end of clockwork spring 33 are constantly tightened up with the rotation of power transmission shaft 24, clockwork spring 33 it is another
End is fixed in frame 1, is completely fixed and is finished in patients head, is ensured that clockwork spring 33 also has certain rotation space, is avoided
Appearance head is also unlocked good and clockwork spring 33 has rotated stuck phenomenon, in operation or contrast Imaging Procedures, if gone out
Now unexpected phenomenon, push ratchet 35 aside, the release action power of clockwork spring 33 is quick to drive power transmission shaft 24 to invert, and then controls left folder
Plate 2 and right clamping plate 3 are retracted rapidly, ensure that patient can save patient's time fast and effectively away from sick bed, can be timely and effective
Given treatment to；
After operation terminates, ratchet 35 is also pushed aside, clockwork spring 33 drives the reversion of power transmission shaft 24 to reset, after patient is away from headrest,
Block 22 is unclamped, block 22 slides in the first movable block 12 and the second movable block 13 respectively, catch pawl 23 is departed from the left He of clamping plate 2
Right clamping plate 3, fastening bolt 41 is unclamped, the band upward sliding of motion plate 27, circular arc brake pad 25 is away from the first rotary shaft 6 and second
Rotary shaft 7, in the presence of torsion spring 28, the first rotary shaft 6 and the second rotary shaft 7 reset, under the engagement of rack-and-pinion, Zuo Jia
Plate 2 slides into initial position on the first movable block 12, and right clamping plate 3 also slides into initial position on the second movable block 13, so
The band slide downward of motion plate 27, circular arc brake pad 25 clamp the first rotary shaft 6 and the second rotary shaft 7 afterwards, keep the steady of headrest
It is fixed.
The more traditional device of the present invention has following benefit：1）Using head self gravitation, in the first partial gear and
In the presence of two partial gears, the effect that Primary Location clamps is produced, clever structure is flexibly practical, positive effect；2）First
On the premise of step positioning clamps, using differential screw drive mechanism, trickle adjustment is carried out, avoids the occurrence of because stroke is excessive, causes
Patient injures and is not easy situation about clamping, and can more embody care of the medical personnel to patient, be worthy to be popularized；3）Using synchronous interaction
Mechanism, left clamping plate and right clamping plate are simultaneously clamped on and unclamped, simple to operate, effective and rapid, improve operating efficiency；4）Using ratchet spine
The emergency set of pawl protection device and clockwork spring, such as runs into special circumstances, can quickly flick left clamping plate and right clamping plate, energy
Enough tried to gain time precious to one for patient.
Clever structure of the present invention, it is convenient and practical, incidence can be effectively clamped, improves operating efficiency, and utilize head
Self gravitation, automatic preliminary regulation clamped position, saves the time, while uses link gear, simple operation, the popularization of value, has
Very high potential value.
Claims (8)
1. a kind of ganglioside GM_3 incidence positioning operation platform, it is characterised in that including frame（1）, frame（1）Slide up and down connection
There is headrest（15）, headrest（15）Lower section is provided with the first symmetrical rotary shaft（6）With the second rotary shaft（7）, the first rotary shaft
（6）Left supporting plate is fixed with successively（4）With the first partial gear（8）, left supporting plate（4）With headrest（15）Connection, first is incomplete
Gear（8）It is engaged with the first rack（10）, the first rack（10）Top is fixedly connected with left clamping plate（2）, the second rotary shaft（7）According to
It is secondary to be fixed with right supporting plate（5）With the second partial gear（9）, right supporting plate（5）With headrest（15）Connection, the second partial gear
（9）It is engaged with the second rack（11）, the second rack（11）Top is fixedly connected with right clamping plate（3）, form headrest（15）Fortune downwards
It is dynamic, drive the first rotary shaft（6）With the second rotary shaft（7）Opposite direction rotating moves, and controls left clamping plate（2）With right clamping plate（3）Xiang Zhong
Between the structure drawn close, the first rotary shaft（6）With the second rotary shaft（7）Outside is respectively equipped with two circular arc brake pads（25）, circular arc
Brake pad（25）Lower end is fixed with contiguous block（26）, contiguous block（26）Can level move left and right, contiguous block（26）On be fixed with it is fixed
Position pin（38）, alignment pin（38）Slidably connect transverse slat（27）, transverse slat（27）It is provided with symmetrical and and alignment pin（38）It is sliding
The tipper of dynamic connection（39）, transverse slat（27）It can slide up and down, transverse slat（27）Upwards during motion, two circular arc brake pads are driven
（25）Depart from the first rotary shaft respectively（6）With the second rotary shaft（7）, transverse slat（27）When moving downward, two circular arc frictions are driven
Block（25）The first rotary shaft is clamped respectively（6）With the second rotary shaft（7）, the first rotary shaft（6）With the second rotary shaft（7）On it is solid
Surely there is torsion spring（28）；
Left clamping plate（2）Lower section slidably connects the first movable block（12）, the first movable block（12）It is threaded with the 3rd rotary shaft
（14）, the 3rd rotary shaft（14）With frame（1）Threaded connection, right clamping plate（3）Lower section slidably connects the second movable block（13）, the
Two movable blocks（13）It is threaded with the 4th rotary shaft（16）, the 4th rotary shaft（16）With frame（1）Threaded connection, the first activity
Block（12）With the second movable block（13）And frame（1）It is slidably connected, the first movable block（12）With the second movable block（13）It is interior equal
Slidably connect block（22）, block（22）It is provided with multiple catch pawls（23）, left clamping plate（2）With right clamping plate（3）On be equipped with
Catch pawl（23）The straight pin of cooperation（36）, catch pawl（23）With straight pin（36）During cooperation, the first movable block（12）With left clamping plate（2）
Form an entirety, the second movable block（13）With right clamping plate（3）Form an entirety.
A kind of 2. ganglioside GM_3 incidence positioning operation platform according to claim 1, it is characterised in that described the 4th turn
Moving axis（16）Right-hand member is provided with keyway, and power transmission shaft is rotatably connected in keyway（24）, power transmission shaft（24）On be provided with and frame（1）Gu
Surely the clockwork spring connected（33）, power transmission shaft（24）Right-hand member be fixed with ratchet（34）, frame（1）On be fixed with and ratchet（34）
Corresponding ratchet（35）, power transmission shaft（24）Rotary motion, the 4th rotary shaft can be driven（16）Screw.
A kind of 3. ganglioside GM_3 incidence positioning operation platform according to claim 1, it is characterised in that described the 4th turn
Moving axis（16）Spline is provided with, spline is connected with positioned at frame（1）First gear in groove（17）, the 4th rotary shaft（16）Spiral shell
Rotation is dynamic, first gear（17）Rotary motion, first gear（17）External toothing has second gear（18）, second gear（18）Together
Axle is fixed with the 3rd gear（19）, the 3rd gear（19）External toothing has idle pulley（20）, idle pulley（20）External toothing and the 3rd rotary shaft
（14）The 4th coaxial gear（21）, the 4th gear（21）Lower end is located in the groove of frame, the 4th gear（21）Only rotation fortune
It is dynamic.
A kind of 4. ganglioside GM_3 incidence positioning operation platform according to claim 1, it is characterised in that the first described tooth
Wheel（17）And second gear（18）It is identical, second gear（18）It is coaxial to drive the 3rd gear（19）Rotate one week, idle pulley（20）Outside
4th gear of engagement（21）Also rotate one week.
A kind of 5. ganglioside GM_3 incidence positioning operation platform according to claim 1, it is characterised in that described the 3rd turn
Moving axis（14）Including the first threaded rod（29）With the second threaded rod（30）, the first threaded rod（29）With the first movable block（12）Screw thread
Connection, the second threaded rod（30）With frame（1）Threaded connection, the second threaded rod（30）Helical pitch be more than the first threaded rod（29）'s
Helical pitch.
A kind of 6. ganglioside GM_3 incidence positioning operation platform according to claim 1, it is characterised in that described the 4th turn
Moving axis（16）Including the 3rd threaded rod（31）With the 4th threaded rod（32）, the 3rd threaded rod（31）With the second movable block（13）Screw thread
Connection, the 4th threaded rod（32）With frame（1）Threaded connection, the 4th threaded rod（32）Helical pitch be more than the 3rd threaded rod（31）'s
Helical pitch.
A kind of 7. ganglioside GM_3 incidence positioning operation platform according to claim 1, it is characterised in that described contiguous block
（26）Lower slide is socketed with and frame（1）The first fixed sliding groove（37）.
A kind of 8. ganglioside GM_3 incidence positioning operation platform according to claim 1, it is characterised in that described transverse slat
（27）Slide up and down and be connected with and frame（1）The second fixed sliding groove（40）, transverse slat（27）It is provided with and the second sliding groove
（40）Corresponding fastening bolt（41）.
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| CN113041513A (en) * | 2021-03-08 | 2021-06-29 | 江苏省肿瘤防治研究所（江苏省肿瘤医院） | Head and neck tumour radiation therapy fender bracket |
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| CN113288690B (en) * | 2021-05-07 | 2023-08-04 | 南京市淑先科技有限公司 | Head fixing equipment for eye treatment of infants |
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