CN211213150U - Adaptive nuclear magnetic resonance head fixing device - Google Patents
Adaptive nuclear magnetic resonance head fixing device Download PDFInfo
- Publication number
- CN211213150U CN211213150U CN201921791347.7U CN201921791347U CN211213150U CN 211213150 U CN211213150 U CN 211213150U CN 201921791347 U CN201921791347 U CN 201921791347U CN 211213150 U CN211213150 U CN 211213150U
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- Prior art keywords
- fixedly connected
- fixing device
- sliding
- supporting plate
- air bag
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- 230000003044 adaptive effect Effects 0.000 title claims description 16
- 238000005481 NMR spectroscopy Methods 0.000 title abstract description 12
- 239000007787 solid Substances 0.000 claims description 5
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 229920002530 polyetherether ketone Polymers 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000013421 nuclear magnetic resonance imaging Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
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- 230000036541 health Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
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Abstract
The utility model provides an adaptability nuclear magnetic resonance head fixing device includes the box, the inside fixedly connected with base of box, the inner wall sliding connection of base has the slider, the right-hand member of slider rotates and is connected with the screw rod, the right-hand member fixedly connected with carousel of screw rod, the right-hand member fixedly connected with crank of carousel, the top of slider articulates there is the head rod, the top of connecting rod articulates there is the first backup pad that can reciprocate, the first sleeve of top fixedly connected with of first backup pad. The fixing device has the advantages that the fixing device is automatically tightened and reset by the aid of the two air bags and the clamping device, the purpose of automatically adjusting tightness of the fixing device with simplicity in operation is achieved, the lifting mechanism is arranged, the fixing device can be lifted by the aid of the screw rod driving connecting rod, the fixing device can be adjusted in height according to different heights of patients, the fixing device is ingenious in structure, simplicity in operation is achieved, functionality and practicability of the fixing device are improved, and the purpose of wide application range is achieved.
Description
Technical Field
The utility model belongs to the technical field of medical instrument and specifically relates to an adaptability nuclear magnetic resonance head fixing device is related to.
Background
Nuclear magnetic resonance is a physical process that magnetic moment is not zero, the spinning energy level generates Zeeman splitting under the action of an external magnetic field, resonance absorbs radio frequency radiation of a certain frequency, nuclear magnetic resonance spectroscopy is a branch of spectroscopy, the resonance frequency is in a radio frequency wave band, corresponding transition is the transition of the nuclear spinning on the nuclear Zeeman energy level, nuclear magnetic resonance imaging examination becomes a common image examination mode, nuclear magnetic resonance imaging is used as a novel image examination technology, generally has no influence on human health, in order to make nuclear magnetic resonance imaging clearer, the head of a patient is generally fixed in the nuclear magnetic resonance examination, at the present stage, a nuclear magnetic resonance head fixing device mostly adopts manual fixing or telescopic bands for fixing, the traditional fixing device has a simple structure and a single function, can not realize automatic tightness adjustment, and has low practicability, the application range is limited and thus improvements are required.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide an adaptability nuclear magnetic resonance head fixing device, solved an adaptability nuclear magnetic resonance head fixing device simple structure effectively, the function singleness can not realize the automatically regulated elasticity, and the range of application limits, the not strong problem of practicality.
In order to solve the above problems, the utility model adopts the following technical proposal: an adaptive nuclear magnetic resonance head fixing device comprises a box body, wherein a base is fixedly connected inside the box body, a sliding block is connected to the inner wall of the base in a sliding manner, a screw rod is rotatably connected to the right end of the sliding block, a rotary disc is fixedly connected to the right end of the screw rod, a crank is fixedly connected to the right end of the rotary disc, a first connecting rod is hinged to the top of the sliding block, a first supporting plate capable of moving up and down is hinged to the top of the connecting rod, a first sleeve is fixedly connected to the top of the first supporting plate, a first air bag is slidably connected to the inner wall of the first sleeve, a lifting shaft capable of moving up and down is slidably connected to the top of the first sleeve, a headrest capable of moving up and down is slidably connected to the inner wall of the left side of the box body, a second supporting plate is, telescopic inner wall sliding connection of second has the second gasbag, the top fixedly connected with hose of second gasbag, the right-hand member fixed connection of hose is in the bottom of first gasbag surface, the left and right sides fixedly connected with locating plate at box top, two the equal fixedly connected with box body in top of locating plate, two the slide bar that removes about the equal sliding connection in inside of box body, two the bottom of slide bar all articulates there is the second connecting rod, two the bottom of second connecting rod articulates respectively in the left and right sides at lift off-axial surface middle part, two the solid fixed ring of the equal fixedly connected with in top of slide bar.
Preferably, first sliding grooves which are inclined by fifteen degrees with the horizontal plane are formed in the two box bodies, through grooves are formed in the tops of the two box bodies, moving blocks matched with the first sliding grooves are fixedly connected to the bottoms of the outer surfaces of the two sliding rods, and the tops of the two second connecting rods are hinged to the bottoms of the moving blocks respectively.
Preferably, the outer surface of the middle part of the front end of the lifting shaft is provided with a threaded hole, the threaded hole is in threaded connection with a fastening screw for fixing the position of the headrest, and the bottom surface of the lifting shaft abuts against the top of the first air bag.
Preferably, the inner wall of the base is provided with a sliding chute matched with the sliding block, the right end of the base is provided with a threaded through hole matched with the screw rod, and the screw rod and the fastening screw are made of polyether-ether-ketone materials.
Preferably, the shape of two the locating plate is as falling the U-shaped, two the shape of solid fixed ring is the arc, two all fixedly connected with detachable cushion on solid fixed ring's the interior rampart.
Preferably, the inner wall seted up with first backup pad matched with second spout around the box, the shape of second spout is the cross that prevents the slope of first backup pad.
Preferably, the second support plate is located higher than the base, and the second support plate is located lower than the first support plate.
The utility model discloses novel structure, think about ingenious, easy operation is convenient, compares with prior art and has following advantage: the fixing device has the advantages that the fixing device is automatically tightened and reset by the aid of the two air bags and the clamping device, the purpose of automatically adjusting tightness of the fixing device with simplicity in operation is achieved, the lifting mechanism is arranged, the fixing device can be lifted by the aid of the screw rod driving connecting rod, the fixing device can be adjusted in height according to different heights of patients, the fixing device is ingenious in structure, simplicity in operation is achieved, functionality and practicability of the fixing device are improved, and the purpose of wide application range is achieved.
Drawings
Fig. 1 is a schematic diagram of a half-section structure of an adaptive nmr head fixing device of the present invention.
Fig. 2 is a perspective view of an adaptive nmr head fixing device of the present invention.
Fig. 3 is a diagram of a clamping device structure of an adaptive nmr head fixture of the present invention.
Fig. 4 is a bottom cross-sectional view of an adaptive nmr head fixture of the invention.
Fig. 5 is a schematic structural view of a lifting device of an adaptive nmr head fixing device of the present invention.
1-box body, 2-base, 3-slide block, 4-first connecting rod, 5-screw rod, 6-rotary table, 7-crank, 8-first supporting plate, 9-first air bag, 10-lifting shaft, 11-headrest, 12-second connecting rod, 13-first chute, 14-slide rod, 15-box body, 16-positioning plate, 17-fixing ring, 18-first sleeve, 19-hose, 20-second sleeve, 21-second air bag, 22-second supporting plate, 23-fastening screw and 24-second chute.
Detailed Description
The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-5, the utility model provides an adaptive nuclear magnetic resonance head fixing device, which comprises a box body 1, wherein the box body 1 is fixedly connected with a base 2, the inner wall of the base 2 is slidably connected with a slider 3, the right end of the slider 3 is rotatably connected with a screw 5, the right end of the screw 5 is fixedly connected with a rotary table 6, the right end of the rotary table 6 is fixedly connected with a crank 7, the top of the slider 3 is hinged with a first connecting rod 4, the top of the connecting rod 4 is hinged with a first supporting plate 8 capable of moving up and down, the top of the first supporting plate 8 is fixedly connected with a first sleeve 18, the inner wall of the first sleeve 18 is slidably connected with a first air bag 9, the top of the first sleeve 18 is slidably connected with a lifting shaft 10 capable of moving up and down, the inner wall of the lifting shaft 10 is slidably connected with a, the left inner wall fixedly connected with second backup pad 22 of box 1, the top fixedly connected with second sleeve 20 of second backup pad 22, the inner wall sliding connection of second sleeve 20 has second gasbag 21, the top fixedly connected with hose 19 of second gasbag 21, the right-hand member fixed connection of hose 19 is in the bottom of first gasbag 9 surface, the left and right sides fixedly connected with locating plate 16 at box 1 top, two the equal fixedly connected with box body 15 in top of locating plate 16, two the equal sliding connection in inside of box body 15 has slide bar 14 that can remove about, two the bottom of slide bar 14 all articulates there is second connecting rod 12, two the bottom of second connecting rod 12 articulates respectively in the left and right sides at lift axle 10 surface middle part, two the equal fixedly connected with in top of slide bar 14 gu fixed ring 17.
The headrest 11 is slidably connected to the inner wall of the lifting shaft 10, the headrest 11 can be adjusted up and down according to factors such as the height of a patient in the specific implementation process, and the position is fixed through the fastening screws.
The top of the box body 15 is provided with a through groove, a first sliding groove 13 which forms a fifteen-degree included angle with the horizontal plane is formed in the box body 15, a moving block matched with the first sliding groove 13 is fixedly connected to the bottom of the outer surface of the sliding rod 14, a second connecting rod 12 is hinged to the bottom of the moving block, the bottom of the second connecting rod 12 is hinged to the middle of the outer surface of the lifting shaft 10, and the box body 15 is fixed in position through a positioning plate 16.
The bottom of first backup pad 8 articulates there is head rod 4, the bottom of head rod 4 articulates there is slider 3, the right-hand member rotatable coupling of slider 3 has screw rod 5, the right-hand member fixedly connected with carousel 6 of screw rod 5, the right-hand member fixedly connected with crank 7 of carousel 6, when specifically using, rotate crank 7 and make slider 3 remove left, thereby the contained angle of messenger's head rod and vertical direction diminishes gradually the jack-up backup pad, the purpose of adjusting the fixing device height has been realized.
The bottom of a lifting shaft 10 props against the top of a first air bag 9, the lifting shaft 10 is in sliding connection with a first sleeve 18, the bottom of the first air bag 9 is fixedly connected with a hose 19, the left end of the hose 19 is fixedly connected with the top end of a second air bag 21, in the actual operation process, the head of a patient is placed on a headrest 11, the lifting shaft 10 moves downwards under the pressure generated by the head of the patient, the lifting shaft 10 compresses the first air bag 9, the gas in the first air bag 9 is transferred into the second air bag 21 through the hose, the air pressure in the second air bag 21 is greater than the air pressure in the first air bag 9, the lifting shaft 10 moves downwards and simultaneously drives two second connecting rods 12 to move, the two second connecting rods 12 drive a sliding rod 14 to move relatively so as to clamp the head of the patient, and at the moment, the sum of the pressure of the head of the patient and the air pressure in the first air bag 9 and the air pressure in the second, when the head of the patient leaves the headrest 11, the air in the second air bag 21 is transferred to the interior of the first air bag 9 through the hose 19, the first air bag 9 is slowly jacked upwards, the lifting shaft 10 moves upwards, the two sliding rods move towards each other, and the clamping device is released until the first air bag 9 and the second air bag 21 reach the balance state again.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or scope of the invention as defined in the appended claims.
Claims (7)
1. An adaptive magnetic resonance head fixation device, characterized in that: comprises a box body (1), a base (2) is fixedly connected inside the box body (1), a sliding block (3) is connected to the inner wall of the base (2) in a sliding manner, a screw rod (5) is connected to the right end of the sliding block (3) in a rotating manner, a rotary disc (6) is fixedly connected to the right end of the screw rod (5), a crank (7) is fixedly connected to the right end of the rotary disc (6), a first connecting rod (4) is hinged to the top of the sliding block (3), a first supporting plate (8) capable of moving up and down is hinged to the top of the connecting rod (4), a first sleeve (18) is fixedly connected to the top of the first supporting plate (8), a first air bag (9) is connected to the inner wall of the first sleeve (18) in a sliding manner, a lifting shaft (10) capable of moving up and down is connected to the top of the first sleeve (18), and a headrest, the inner wall of the left side of the box body (1) is fixedly connected with a second supporting plate (22), the top of the second supporting plate (22) is fixedly connected with a second sleeve (20), the inner wall of the second sleeve (20) is connected with a second air bag (21) in a sliding manner, the top end of the second air bag (21) is fixedly connected with a hose (19), the right end of the hose (19) is fixedly connected with the bottom of the outer surface of the first air bag (9), the left side and the right side of the top of the box body (1) are fixedly connected with positioning plates (16), the tops of the two positioning plates (16) are both fixedly connected with box bodies (15), the insides of the two box bodies (15) are both connected with sliding rods (14) capable of moving left and right in a sliding manner, the bottoms of the two sliding rods (14) are both hinged with second connecting rods (12), and the bottoms of the two second, the tops of the two sliding rods (14) are fixedly connected with fixing rings (17).
2. The adaptive nmr head fixture of claim 1, wherein: first sliding grooves (13) which are inclined by fifteen degrees with the horizontal plane are formed in the two box bodies (15), through grooves are formed in the tops of the two box bodies (15), moving blocks matched with the first sliding grooves (13) are fixedly connected to the bottoms of the outer surfaces of the two sliding rods (14), and the tops of the two second connecting rods (12) are hinged to the bottoms of the moving blocks respectively.
3. The adaptive nmr head fixture of claim 1, wherein: the outer surface in the middle of the front end of the lifting shaft (10) is provided with a threaded hole, the threaded hole is in threaded connection with a fastening screw (23) which enables the headrest (11) to be fixed in position, and the bottom surface of the lifting shaft (10) abuts against the top of the first air bag (9).
4. The adaptive nmr head fixture of claim 1, wherein: the inner wall of the base (2) is provided with a sliding groove matched with the sliding block (3), the right end of the base (2) is provided with a threaded through hole matched with the screw rod (5), and the screw rod (5) and the fastening screw (23) are made of polyether-ether-ketone materials.
5. The adaptive nmr head fixture of claim 1, wherein: two the shape of locating plate (16) is as falling the U-shaped, two the shape of solid fixed ring (17) is the arc, two equal fixedly connected with detachable cushion on the interior rampart of solid fixed ring (17).
6. The adaptive nmr head fixture of claim 1, wherein: the front and back inner walls of the box body (1) are provided with second sliding grooves (24) matched with the first supporting plates (8), and the shapes of the second sliding grooves (24) are cross-shaped for preventing the first supporting plates (8) from inclining.
7. The adaptive nmr head fixture of claim 1, wherein: the second supporting plate (22) is higher than the base (2), and the second supporting plate (22) is lower than the first supporting plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921791347.7U CN211213150U (en) | 2019-10-22 | 2019-10-22 | Adaptive nuclear magnetic resonance head fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921791347.7U CN211213150U (en) | 2019-10-22 | 2019-10-22 | Adaptive nuclear magnetic resonance head fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211213150U true CN211213150U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921791347.7U Expired - Fee Related CN211213150U (en) | 2019-10-22 | 2019-10-22 | Adaptive nuclear magnetic resonance head fixing device |
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| Country | Link |
|---|---|
| CN (1) | CN211213150U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112389739A (en) * | 2020-11-20 | 2021-02-23 | 王春明 | Finished vegetable package conveyer in vegetables processing |
| CN112773354A (en) * | 2021-01-21 | 2021-05-11 | 上海健康医学院 | Fixing device for nuclear magnetic resonance examination |
-
2019
- 2019-10-22 CN CN201921791347.7U patent/CN211213150U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112389739A (en) * | 2020-11-20 | 2021-02-23 | 王春明 | Finished vegetable package conveyer in vegetables processing |
| CN112773354A (en) * | 2021-01-21 | 2021-05-11 | 上海健康医学院 | Fixing device for nuclear magnetic resonance examination |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200811 |