CN211022670U - Fixing device for knee joint coil magnetic resonance imaging examination ankle joint - Google Patents
Fixing device for knee joint coil magnetic resonance imaging examination ankle joint Download PDFInfo
- Publication number
- CN211022670U CN211022670U CN201921715265.4U CN201921715265U CN211022670U CN 211022670 U CN211022670 U CN 211022670U CN 201921715265 U CN201921715265 U CN 201921715265U CN 211022670 U CN211022670 U CN 211022670U
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- Prior art keywords
- fixedly connected
- seat
- magnetic resonance
- cavity
- resonance imaging
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- Expired - Fee Related
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- 210000000544 articulatio talocruralis Anatomy 0.000 title claims abstract description 29
- 238000002595 magnetic resonance imaging Methods 0.000 title claims abstract description 22
- 210000000629 knee joint Anatomy 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 210000003127 knee Anatomy 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 6
- 239000011435 rock Substances 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 3
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013421 nuclear magnetic resonance imaging Methods 0.000 description 1
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- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The utility model discloses a fixing device for knee joint coil magnetic resonance imaging inspection ankle joint, including the seat, the upside fixedly connected with backup plate of seat, one side fixedly connected with cushion of backup plate, the cavity has been seted up in the seat, be connected with through moving mechanism in the cavity and remove the seat, remove the upside fixedly connected with bracing piece of seat, the expansion opening that corresponds with the bracing piece is seted up at the cavity top, the upper end of bracing piece runs through expansion opening and fixedly connected with fixed plate. The utility model discloses a set up moving mechanism to can drive the fixed plate and remove, thereby the fixed plate removes and drives fixed establishment and remove and can carry out ankle joint's fixing to different patients, through setting up fixed establishment, thereby can carry out the centre gripping to patient's ankle joint and fix, thereby make patient's ankle joint can not take place to rock when carrying out magnetic resonance imaging, thereby make magnetic resonance imaging effect not influenced.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a fixing device that is used for knee joint coil magnetic resonance imaging to inspect ankle joint.
Background
Nuclear magnetic resonance imaging utilizes the nuclear magnetic resonance principle, the energy according to releasing is different attenuations in the inside different structure environment of material, detect the electromagnetic wave of launching through plus gradient magnetic field, can learn the position and the kind that constitute this object nucleus, can draw into the inside structural image of object in view of the above, the mr of current most hospital adopts the knee joint coil often to be used for examining the ankle joint, disease ankle joint can not effectively be supported and fixed when nevertheless knee joint coil inspection ankle joint, disease ankle joint rocks easily, thereby make the effect of magnetic resonance imaging not good, and current fixing device's suitability is relatively poor, can not adapt to different patients and use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the knee joint coil that exists among the prior art and examining disease ankle joint and can not effectively support and fix when ankle joint, disease ankle joint rocks easily to make magnetic resonance imaging's effect not good, and current fixing device's suitability is relatively poor, can not adapt to the shortcoming that different patients used, and the fixing device who is used for knee joint coil magnetic resonance imaging examination ankle joint who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a fixing device for knee joint coil magnetic resonance imaging inspection ankle joint, includes the seat, the upside fixedly connected with backup plate of seat, one side fixedly connected with cushion of backup plate, the cavity has been seted up in the seat, be connected with through moving mechanism in the cavity and remove the seat, the upside fixedly connected with bracing piece of removing the seat, the expansion opening that corresponds with the bracing piece is seted up at the cavity top, the upper end of bracing piece runs through expansion opening and fixedly connected with fixed plate, the fixed establishment that two symmetries of upside fixedly connected with of fixed plate set up.
Preferably, the moving mechanism comprises a sub transmission shaft which is rotatably connected to the inner wall of the cavity, a sub bevel gear is fixedly sleeved on the sub transmission shaft, a main bevel gear is meshed with the upper side of the sub bevel gear, a main transmission shaft is fixedly connected to the upper side of the main bevel gear, the upper end of the main transmission shaft penetrates through the top of the cavity and is fixedly connected with a turntable, and a bearing seat fixedly connected to the inner wall of the cavity is sleeved on the main transmission shaft in a rotating mode.
Preferably, the end part of the sub-transmission shaft is fixedly connected with a screw rod, a thread groove corresponding to the screw rod is formed in the moving seat, two sliding blocks are fixedly connected to the lower side of the moving seat, and a sliding groove corresponding to the sliding blocks is formed in the bottom of the cavity.
Preferably, the fixing mechanism comprises a circular ring fixedly connected with the upper side of the fixing plate, adjusting bolts are arranged on two sides of the circular ring, openings corresponding to the adjusting bolts are formed in the circular ring, the end portions of the adjusting bolts penetrate through the openings and are in threaded connection with moving blocks, one ends, far away from the adjusting bolts, of the moving blocks penetrate through the side walls of the openings and are fixedly connected with arc-shaped clamping plates, and one sides, far away from the moving blocks, of the arc-shaped clamping plates are fixedly connected with silica gel pads.
Preferably, fixed cover is equipped with outer ring gear on the final drive shaft, one side of outer ring gear is equipped with the backup pad of fixed connection on the seat, one side that outer ring gear was kept away from to the backup pad is connected with T type pull rod through two reset spring, the tip of T type pull rod runs through backup pad and fixedly connected with limiting plate, one side fixedly connected with that T type pull rod was kept away from to the limiting plate corresponds with outer ring gear spacing tooth.
Compared with the prior art, the beneficial effects of the utility model are that:
1. by arranging the moving mechanism, the turntable rotates to drive the main transmission shaft to rotate by rotating the turntable, the main transmission shaft rotates to drive the main bevel gear to rotate, the main bevel gear rotates to drive the rotor bevel gear to rotate, the rotor bevel gear rotates to drive the rotor transmission shaft to rotate, the rotor transmission shaft rotates to drive the screw rod to rotate, the screw rod rotates to drive the moving seat to move, the moving seat moves to drive the supporting rod to move, the supporting rod moves to drive the fixed plate to move, and the fixed plate moves to drive the fixing mechanism to move, so that the ankle joints of different patients can be fixed;
2. through setting up fixed establishment, through rotating adjusting bolt, adjusting bolt rotates and drives the removal piece and remove, and the removal piece removes and drives arc splint and removes, thereby arc splint remove can carry out the centre gripping to patient's ankle joint and fix to make patient's ankle joint can not take place to rock when carrying out magnetic resonance imaging, thereby make magnetic resonance imaging effect not influenced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic front sectional view of the present invention;
fig. 2 is a schematic side view of the fixing mechanism of the present invention;
fig. 3 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;
fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.
In the figure: 1. a seat plate; 2. a backup plate; 3. back cushion; 4. a cavity; 5. a main bevel gear; 6. a sub bevel gear; 7. a screw rod; 8. a movable seat; 9. a support bar; 10. a fixing plate; 11. a circular ring; 12. a turntable; 13. an outer ring gear; 14. a T-shaped pull rod; 15. a return spring; 16. a limiting plate; 17. limiting teeth; 18. adjusting the bolt; 19. a moving block; 20. an arc-shaped splint; 21. a silica gel pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a fixing device for knee joint coil magnetic resonance imaging examination ankle joint comprises a seat plate 1, a back plate 2 is fixedly connected to the upper side of the seat plate 1, a back cushion 3 is fixedly connected to one side of the back plate 2, a cavity 4 is formed in the seat plate 1, a moving seat 8 is connected to the interior of the cavity 4 through a moving mechanism, the moving mechanism comprises a sub-transmission shaft rotatably connected to the inner wall of the cavity 4, a sub-bevel gear 6 is fixedly sleeved on the sub-transmission shaft, a main bevel gear 5 is connected to the upper side of the sub-bevel gear 6 in a meshing manner, a main transmission shaft is fixedly connected to the upper side of the main bevel gear 5, the upper end of the main transmission shaft penetrates through the top of the cavity 4 and is fixedly connected with a rotary table 12, a bearing seat fixedly connected to the inner wall of the cavity 4 is sleeved on the main transmission shaft in a rotating manner, a lead screw 7 is fixedly connected, the bottom in the cavity 4 is provided with a sliding groove corresponding to the sliding block, the rotary table 12 rotates to drive the main transmission shaft to rotate, the main transmission shaft rotates to drive the main bevel gear 5 to rotate, the main bevel gear 5 rotates to drive the rotor bevel gear 6 to rotate, the rotor bevel gear 6 rotates to drive the rotor transmission shaft to rotate, the rotor transmission shaft rotates to drive the screw rod 7 to rotate, and the screw rod 7 rotates to drive the movable seat 8 to move.
Fixed cover is equipped with outer ring gear 13 on the final drive shaft, one side of outer ring gear 13 is equipped with the backup pad of fixed connection on seat 1, one side that outer ring gear 13 was kept away from to the backup pad is connected with T type pull rod 14 through two reset spring 15, the tip of T type pull rod 14 runs through backup pad and fixedly connected with limiting plate 16, one side fixedly connected with that T type pull rod 14 was kept away from to limiting plate 16 and the spacing tooth 17 that outer ring gear 13 corresponds, through pulling T type pull rod 14, T type pull rod 14 removes the spacing tooth 17 that drives on the limiting plate 16 and does not mesh with outer ring gear 13, rotatable carousel 12 this moment.
A supporting rod 9 is fixedly connected to the upper side of the moving seat 8, a moving opening corresponding to the supporting rod 9 is formed in the top of the cavity 4, the upper end of the supporting rod 9 penetrates through the moving opening and is fixedly connected with a fixed plate 10, two symmetrically-arranged fixing mechanisms are fixedly connected to the upper side of the fixed plate 10, each fixing mechanism comprises a circular ring 11 fixedly connected to the upper side of the fixed plate 10, adjusting bolts 18 are arranged on two sides of each circular ring 11, openings corresponding to the adjusting bolts 18 are formed in the circular rings 11, the end portions of the adjusting bolts 18 penetrate through the openings and are in threaded connection with moving blocks 19, one ends of the moving blocks 19 far away from the adjusting bolts 18 penetrate through the side walls of the openings and are fixedly connected with arc-shaped clamping plates 20, silica gel pads 21 are fixedly connected to one sides of the arc-shaped clamping plates 20 far away from the moving blocks 19, the moving blocks 19 are driven to move, therefore, the ankle joint of the patient cannot shake during magnetic resonance imaging, and the magnetic resonance imaging effect is not affected.
The working principle is as follows: by pulling the T-shaped pull rod 14, the T-shaped pull rod 14 moves to drive the limiting teeth 17 on the limiting plate 16 not to be meshed with the outer gear ring 13, at the moment, the rotary table 12 can be rotated, the rotary table 12 rotates to drive the main transmission shaft to rotate, the main transmission shaft rotates to drive the main bevel gear 5 to rotate, the main bevel gear 5 rotates to drive the rotor bevel gear 6 to rotate, the rotor bevel gear 6 rotates to drive the rotor transmission shaft to rotate, the rotor transmission shaft rotates to drive the screw rod 7 to rotate, the screw rod 7 rotates to drive the movable seat 8 to move, the movable seat 8 moves to drive the supporting rod 9 to move, the supporting rod 9 moves to drive the fixed plate 10 to move, the fixed plate 10 moves to drive the fixed mechanism to move so as to fix the ankle joints of different patients, after adjustment is completed, the T-shaped pull rod 14 is loosened, due to the restoring force of the restoring spring 15, the, thereby can prevent the carousel 12 reversal, through rotating adjusting bolt 18, adjusting bolt 18 rotates and drives movable block 19 and remove, and movable block 19 removes and drives arc splint 20 and removes, thereby arc splint 20 removes and can carry out the centre gripping to patient's ankle joint fixed to make patient's ankle joint can not take place to rock when carrying out magnetic resonance imaging, thereby make magnetic resonance imaging effect not influenced, do above the utility model discloses a whole theory of operation.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.
Claims (5)
1. A fixing device for knee joint coil magnetic resonance imaging examination ankle joint, includes seat board (1), its characterized in that: upside fixedly connected with backup plate (2) of seat (1), one side fixedly connected with cushion (3) of backup plate (2), cavity (4) have been seted up in seat (1), be connected with through moving mechanism in cavity (4) and remove seat (8), remove upside fixedly connected with bracing piece (9) of seat (8), the expansion gap that corresponds with bracing piece (9) is seted up at cavity (4) top, the upper end of bracing piece (9) runs through expansion gap and fixedly connected with fixed plate (10), the fixed establishment that two symmetries of upside fixedly connected with of fixed plate (10) set up.
2. The fixation device for knee coil magnetic resonance imaging examination of the ankle joint as claimed in claim 1, wherein: the moving mechanism comprises a sub transmission shaft which is rotatably connected to the inner wall of the cavity (4), a sub bevel gear (6) is fixedly sleeved on the sub transmission shaft, a main bevel gear (5) is meshed with the upper side of the sub bevel gear (6), a main transmission shaft is fixedly connected to the upper side of the main bevel gear (5), the upper end of the main transmission shaft penetrates through the top of the cavity (4) and is fixedly connected with a turntable (12), and a bearing seat fixedly connected to the inner wall of the cavity (4) is sleeved on the main transmission shaft in a rotating mode.
3. The fixation device for knee coil magnetic resonance imaging examination of the ankle joint as claimed in claim 2, wherein: the end part of the sub-transmission shaft is fixedly connected with a screw rod (7), a thread groove corresponding to the screw rod (7) is formed in the movable seat (8), two sliding blocks are fixedly connected to the lower side of the movable seat (8), and sliding grooves corresponding to the sliding blocks are formed in the bottom of the cavity (4).
4. The fixation device for knee coil magnetic resonance imaging examination of the ankle joint as claimed in claim 1, wherein: the fixing mechanism comprises a circular ring (11) fixedly connected with the upper side of the fixing plate (10), adjusting bolts (18) are arranged on two sides of the circular ring (11), openings corresponding to the adjusting bolts (18) are formed in the circular ring (11), a moving block (19) is connected to the end portion of each adjusting bolt (18) through the openings and in a threaded manner, one end, far away from the adjusting bolts (18), of each moving block (19) penetrates through the side wall of each opening and is fixedly connected with an arc-shaped clamping plate (20), and one side, far away from the moving block (19), of each arc-shaped clamping plate (20) is fixedly connected with a silica gel pad (21).
5. The fixation device for knee coil magnetic resonance imaging examination of the ankle joint as claimed in claim 2, wherein: fixed cover is equipped with outer ring gear (13) on the final drive shaft, one side of outer ring gear (13) is equipped with the backup pad of fixed connection on seat (1), one side that outer ring gear (13) was kept away from in the backup pad is connected with T type pull rod (14) through two reset spring (15), the tip of T type pull rod (14) runs through backup pad and fixedly connected with limiting plate (16), limiting plate (16) keep away from one side fixedly connected with of T type pull rod (14) and spacing tooth (17) that outer ring gear (13) correspond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921715265.4U CN211022670U (en) | 2019-10-14 | 2019-10-14 | Fixing device for knee joint coil magnetic resonance imaging examination ankle joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921715265.4U CN211022670U (en) | 2019-10-14 | 2019-10-14 | Fixing device for knee joint coil magnetic resonance imaging examination ankle joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211022670U true CN211022670U (en) | 2020-07-17 |
Family
ID=71540694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921715265.4U Expired - Fee Related CN211022670U (en) | 2019-10-14 | 2019-10-14 | Fixing device for knee joint coil magnetic resonance imaging examination ankle joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211022670U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112220567A (en) * | 2020-11-25 | 2021-01-15 | 代欣 | Arm fixing device for medical care |
-
2019
- 2019-10-14 CN CN201921715265.4U patent/CN211022670U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112220567A (en) * | 2020-11-25 | 2021-01-15 | 代欣 | Arm fixing device for medical care |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 |
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| CF01 | Termination of patent right due to non-payment of annual fee |