CN211094111U - Tool for quickly positioning magnetic resonance bed - Google Patents
Tool for quickly positioning magnetic resonance bed Download PDFInfo
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- CN211094111U CN211094111U CN201921787574.2U CN201921787574U CN211094111U CN 211094111 U CN211094111 U CN 211094111U CN 201921787574 U CN201921787574 U CN 201921787574U CN 211094111 U CN211094111 U CN 211094111U
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Abstract
The utility model discloses a tool for quickly positioning a magnetic resonance bed, which is used for calibrating and aligning the magnetic resonance bed and a magnet, wherein the magnetic resonance bed adopts a bed platform with a sliding bed board and a bed frame with four adjusting trundles arranged at the bottom, and a bed middle board for supporting the bed board is arranged inside the magnet; the tool is characterized by comprising a bed central axis aligning device and a bed height aligning device, wherein the bed central axis aligning device comprises a left positioning bracket and a right positioning bracket which are fixed on the end of a magnet close to a bed and a left ground detachable calibration strip and a right ground detachable calibration strip which are detachably fixed with the left positioning bracket and the right positioning bracket respectively and are symmetrically parallel to the central axis of the magnet; the calibration strip is provided with a marking structure for marking the positions of four adjusting trundles of the magnetic resonance bed on the ground, and when the four adjusting trundles are inosculated with the ground mark, the bed and the central axis of the magnet are coincided; and the bed height aligning device comprises two double-head line weights which are used for detecting whether the surfaces of the bed and the bed middle plate are horizontally aligned or not in cooperation with the adjusting caster wheels. The tool is simple in structure, convenient to operate, and high in positioning precision and safety.
Description
Technical Field
The utility model relates to a fix a position frock of magnetic resonance bed fast.
Background
Magnetic resonance imaging is an imaging technique in which a radio frequency coil detects a minute difference in nuclear vibration generated inside a human body in a specific magnetic field environment, and a three-dimensional image composed of reaction histochemical structures is obtained through further computer processing. The existing magnetic resonance imaging equipment consists of a magnetic resonance bed 1, a magnet 2, a spectrometer and a control console, wherein the magnetic resonance bed 1 is a sliding type bed which is formed by a bed 1a and a bed board 1b which is arranged on the bed 1a in a sliding mode, two sides of the bed 1a are provided with baffles, the middle of the bed is a plane, and two rows of rollers 3 are arranged on the plane along the length direction of the bed 1a and used for guiding the bed board 1b in a sliding mode. A bed middle plate 2a which is used for erecting a bed plate 1b and is also horizontally arranged is fixed at the left side and the right side inside the magnet 2, a roller 3 which is convenient for the bed plate 1b to slide is also arranged on the bed middle plate 2a, and the roller 3 has the same specification with the roller 3 on the bed table 1a, as shown in figure 1. Meanwhile, the bed frame at the lower part of the bed 1a of the magnetic resonance bed is usually an electric control lifting support, and the bottom of the bed frame is provided with four adjusting casters 1c for finely adjusting the levelness of the bed 1a, wherein the four adjusting casters 1c are symmetrically distributed in the left and right direction about the central axis of the bed 1 a.
When the magnetic resonance bed is in actual use, the bed plate 1b together with a patient thereon needs to be pushed into the magnet 2, and in order to ensure the smooth pushing process, the magnetic resonance bed and the magnet 2 need to be calibrated and aligned in advance in the equipment installation process, and the purpose of the calibration and alignment is to horizontally align the bed table 1a of the magnetic resonance bed and the surface of the bed middle plate 2a inside the magnet 2, and simultaneously, the central axes of the bed table 1a and the magnet 2 coincide.
When the machine is installed on site, the magnet 2 is firstly fixed on the ground after being adjusted without errors, and the magnetic resonance bed is fixed after being adjusted and positioned without errors. The adjustment positioning content of the magnetic resonance bed comprises the determination of the height and the horizontal orientation of the bed 1 a. When the heights of the two ends of the surface of the bed 1a are not consistent, if the end of the bed 1a close to the magnet 2 is higher than the end of the bed 1a far from the magnet 2, the surface of the bed 1a and the surface of the bed middle plate 2a in the magnet 2 are not on the same horizontal plane, so that the bed plate 1b will impact the bed middle plate 2a when the height difference is reduced during moving to the magnet 2, as shown in fig. 2, and fig. 3 is a partial enlarged view of fig. 2. If the magnet 2 end of the bed 1a is lower than the magnet 2 end of the bed 1a, the bed plate 1b will collide with the bed middle plate 2a and stop moving during the movement toward the magnet 2, as shown in fig. 4, and fig. 5 is a partial enlarged view of fig. 4. If the central axis of the bed 1a is not aligned with the central axis of the magnet 2, the bed plate 1b will shift to the magnet 2 and hit the bed middle plates 2a on both sides, as shown in fig. 6, and fig. 7 is a partial enlarged view of fig. 6. In the current installation process, an operator needs to repeat test operation, the operation is complex, the installation process is long, and a large amount of manpower is consumed.
Certainly there are some laser or infrared level detection auxiliary devices in the market at present, but we can't be suitable for in-process of installing and debugging to the magnetic resonance bed yet, this is because the strong magnetic field characteristics of magnetic resonance equipment, these devices often contain magnetic metal, use between equipment dangerous quite, careless can just be adsorbed by the magnet, and cause the staff injury easily.
Disclosure of Invention
The utility model discloses the purpose is: the utility model provides a frock of quick location magnetic resonance bed, this kind of frock simple structure, easy operation, positioning accuracy and security are high, are used for solving the alignment calibration problem of magnetic resonance bed at the inside bed medium plate of vertical direction and the relative magnet of horizontal direction specially.
The technical scheme of the utility model is that: a tool for quickly positioning a magnetic resonance bed is used for calibrating and aligning the magnetic resonance bed and a magnet, wherein the magnetic resonance bed comprises a bed table, a bed frame and four adjusting trundles, the bed table is slidably provided with a bed board, the bed frame is arranged at the lower part of the bed table, the four adjusting trundles are arranged at the bottom of the bed frame and used for adjusting the height, and a left bed middle plate and a right bed middle plate which are used for supporting the bed board are arranged inside the magnet; the tool is characterized by comprising a bed central axis aligning device and a bed height aligning device, wherein the bed central axis aligning device comprises a left positioning bracket and a right positioning bracket which are fixed on the near bed end of the magnet, and a left ground detachable calibrating strip and a right ground detachable calibrating strip which are detachably fixed with the left positioning bracket and the right positioning bracket respectively and are symmetrically parallel to the central axis of the magnet; the left and right detachable calibration strips are provided with marking structures for marking the positions of four adjusting trundles of the magnetic resonance bed on the ground, and when the four adjusting trundles are matched with the ground marks, the bed of the magnetic resonance bed is superposed with the central axis of the magnet; and bed height aligning device then weighs down including the cooperation is adjusted two double-end lines that whether the truckle used and is used for detecting bed and bed middle plate surface level alignment, and one of them double-end line weighs down to stride and locates left side bed middle plate and bed bench, and another double-end line weighs down and then strides and locate right side bed middle plate and bed bench.
Further, in the utility model discloses in all be equipped with the gyro wheel with the specification that is used for the slide guide bed board on bed platform and the bed medium plate, when bed platform and bed medium plate surface level align, the top of all gyro wheels also all is located same horizontal plane.
Further, the utility model discloses in mark structure is mark hole, mark groove or mark arch, and staff's accessible chalk is marked in the ground department that mark hole, mark groove or mark arch correspond to when the removable calibration strip in left and right ground demolishs the back, four regulation truckles of magnetic resonance bed bottom stop to corresponding ground mark department fast.
Furthermore, in the present invention, the four caster adjustment wheels of the magnetic resonance bed are distributed in a rectangular shape, and the central axis of the rectangular shape coincides with the central axis of the magnetic resonance bed; and four marking structures on the corresponding left and right detachable ground calibration strips are also distributed in a rectangular shape, and the central axis of the rectangular shape is superposed with the central axis of the magnet.
Furthermore, in the present invention, the four adjusting casters of the magnetic resonance bed are distributed in an isosceles trapezoid, and the central axis of the isosceles trapezoid coincides with the central axis of the magnetic resonance bed; the four marking structures on the corresponding left and right detachable ground calibration strips are also distributed in an isosceles trapezoid shape, and the central axis of the isosceles trapezoid shape is superposed with the central axis of the magnet.
Further, the utility model discloses in the double-end line weighs down including the body fine rule and fixes the heavy object at body fine rule both ends, two the body fine rule parallel arrangement that the double-end line weighs down, and paste when two body fine rules all simultaneously and lean on at bed platform and bed middle plate surface and do not have any and throw off, show the bed platform of magnetic resonance bed and the bed middle plate surface level of magnet and align.
Furthermore, the utility model discloses in the inboard of magnet is equipped with and is used for supporting respectively fixedly two left and right platforms of two left and right bed medium boards, and two left and right platforms are close to the near bed end of magnet and have the extension that exceeds corresponding bed medium board, and two left and right locating support are L shape link plate, and its horizontal portion adopts the screw to fix respectively to the near bed end of magnet on the above-mentioned extension of two left and right platforms.
Furthermore, in the utility model, the one end of the left and right detachable calibration strips is respectively connected with the longitudinal support through the bolt or the screw fixation with the longitudinal part of the corresponding L-shaped hanging plate, and the longitudinal part of the L-shaped hanging plate is provided with a plurality of positioning holes along the longitudinal direction, and the positioning holes on the longitudinal support are used for being matched with the bolts or the screws to penetrate through the positioning holes to adjust the fixed height of the longitudinal support, so that the corresponding left and right detachable calibration strips can be attached to the ground.
Furthermore, in the present invention, the bed frame is an electrically controlled lifting support.
The utility model has the advantages that:
1. the utility model discloses the special design is used for solving the counterpoint calibration problem of magnetic resonance bed at the inside bed medium plate of vertical direction and the relative magnet of horizontal direction, and one of them characteristics is easy operation exactly, and the adjustment counterpoint precision is high, can improve magnetic resonance equipment's on-the-spot installation efficiency greatly, ensures the installation quality simultaneously.
2. The utility model discloses another characteristics are simple structure, and the dismouting is convenient, conveniently carries and transports to can repeat repetitious usage, practice thrift the installation cost.
3. The utility model discloses in not having present laser or infrared level detection auxiliary device, thereby avoid these devices to receive magnetic resonance equipment high-intensity magnetic field interference, adsorb and produce danger.
Drawings
The invention will be further described with reference to the following drawings and examples:
FIG. 1 is a schematic view of a three-dimensional structure of a magnetic resonance bed and a magnet using the present invention;
FIG. 2 is a front view of the bed plate;
FIG. 3 is an enlarged view A of FIG. 2;
FIG. 4 is a schematic view of the back tilting of the bed plate;
FIG. 5 is an enlarged view of B in FIG. 4;
FIG. 6 is a schematic view of the horizontal (central axis) offset of the bed plate;
FIG. 7 is an enlarged view of C in FIG. 6;
FIG. 8 is a schematic view showing a use state of the device for aligning the central axis of the bed;
FIG. 9 is an exploded view of the device for aligning the central axis of the bed shown in FIG. 8;
FIG. 10 is a schematic view showing a usage status of the bed height alignment device of the present invention;
FIG. 11 is a schematic view of the height calibration of the table to horizontal alignment with the plate in the magnet bed.
Wherein: 1. a magnetic resonance bed; 1a, a bed; 1b, a bed board; 1c adjusting the caster; 1d, a bedstead; 2. a magnet; 2a, a bed middle plate; 2b, a platform; 3. a roller; 4. positioning the bracket; 5. a detachable calibration strip on the ground; 6. marking the hole; 7. longitudinally connecting a bracket; 8. a bolt; 9. a double-ended line pendant; 10. and (7) positioning the holes.
Detailed Description
Example (b): the following description will be made with reference to fig. 1, 8 to 11 for the tool of the present invention for rapidly positioning a magnetic resonance bed, as follows:
the utility model discloses mainly used magnetic resonance bed and magnet 2's calibration counterpoint, and magnetic resonance bed is present common equipment with magnet 2, see that fig. 1 shows, magnetic resonance bed wherein is by smooth bed board 1a of establishing bed board 1b, locate bed frame 1d of bed 1a lower part and locate bed frame 1d bottom and be used for four regulation truckles 1c of height-adjusting to constitute jointly, wherein bed frame 1d adopts current automatically controlled lifting support, and same with conventional design, four regulation truckles 1c are the rectangle and distribute, the axis of rectangle and bed 1 a's axis design coincidence. The two sides of the bed 1a are provided with baffles, the middle part is a plane, and two rows of rollers 3 are arranged on the plane along the length direction of the bed 1a to guide the bed board 1b to slide.
A left bed middle plate 2a and a right bed middle plate 2a which are horizontally arranged and used for supporting the bed board 1b are arranged inside the magnet 2, and each bed middle plate 2a is also provided with a row of rollers 3 which have the same specification with the rollers 3 on the bed board 1 a. In the embodiment, the two bed middle plates 2a are supported and fixed by the left and right platforms 2b formed inside the magnet 2, and the left and right platforms 2b have an extension part which is longer than the corresponding bed middle plate 2a near the bed end of the magnet 2.
The utility model is composed of a bed central axis aligning device and a bed height aligning device.
First, a central axis aligning device of a bed will be described, which is shown in fig. 8 and 9, and is composed of a left and a right positioning brackets 4 fixed on the near bed end of the magnet 2, and a left and a right detachable calibration strips 5 detachably fixed with the left and the right positioning brackets 4 respectively and symmetrically parallel to the central axis of the magnet 2.
In the embodiment, the left and right positioning brackets 4 are L-shaped hanging plates, the horizontal parts of the left and right positioning brackets are respectively fixed on the extending parts of the left and right platforms 2b near the bed end of the magnet 2 by screws, one ends of the left and right detachable calibration strips 5 are respectively and integrally connected with a longitudinal connecting bracket 7 and respectively fixed with the longitudinal part of the corresponding L-shaped hanging plate by bolts 8, and the longitudinal part of the L-shaped hanging plate is longitudinally provided with a plurality of positioning holes 10 for matching with the positioning holes on the longitudinal connecting bracket 7 to penetrate through the bolts 8 so as to adjust the fixed height of the longitudinal connecting bracket 7, so that the corresponding left and right detachable calibration strips 5 can be attached to the ground.
In this embodiment, the left and right detachable calibration strips 5 are provided with marking holes 6 for marking the positions of the four adjusting casters 1c of the magnetic resonance bed on the ground, and the left and right detachable calibration strips 5 are provided with four marking holes 6, which are also distributed in a rectangular shape, and the central axis of the rectangular shape coincides with the central axis of the magnet 2. The worker can mark the ground corresponding to the marking hole 6 by chalk, so that after the left and right detachable calibration strips 5 are detached, the four adjusting casters 1c at the bottom of the magnetic resonance bed are quickly stopped at the corresponding ground marking positions. When the four adjusting caster wheels 1c are matched with the ground mark, the bed 1a is superposed with the central axis of the magnet 2.
Referring to fig. 10 and 11, a bed height alignment apparatus is described, which is composed of two dual-head line weights 9 used in cooperation with the caster 1c for detecting whether the surfaces of the bed 1a and the bed middle plate 2a are horizontally aligned, wherein one dual-head line weight 9 is disposed across the left bed middle plate 2a and the bed 1a, and the other dual-head line weight 9 is disposed across the right bed middle plate 2a and the bed 1 a. The double-end line weighs down 9 comprises body fine rule and the heavy object of fixing at body fine rule both ends, two double-end line weighs down 9's body fine rule parallel arrangement.
When the magnetic resonance bed 1 and the magnet 2 are installed in the opposite position on site, the magnet 2 is firstly fixedly placed at a preset position, and the magnetic resonance bed 1 is positioned at the front side of the magnet 2.
As shown in fig. 8 and 9, at the front side (i.e., near the bed end) of the magnet 2, two left and right positioning brackets 4 are fixed with screws. And then the left and right detachable calibration strips 5 on the ground are respectively fixed on the left and right positioning brackets 4 through bolts 8. The left and right detachable calibration strips 5 are symmetrically parallel to the central axis of the magnet. The left and right detachable calibration strips 5 are provided with marking holes 6 for marking the positions of four adjusting trundles 1c of the magnetic resonance bed on the ground, the left and right detachable calibration strips 5 are totally four, the marking holes 6 are distributed in a rectangular shape, and the central axis of the rectangular shape coincides with the central axis of the magnet 2. The worker can mark the ground corresponding to the marking hole 6 by chalk.
The left and right detachable calibration strips 5 on the ground are removed, the magnetic resonance bed is pushed to the front side of the magnet, and the four adjusting caster wheels 1c are matched with the ground marks, so that the center axes of the bed table 1a and the magnet 2 are ensured to be coincident.
As shown in FIG. 10, since the bed frame 1d is a conventional electrically controlled elevating bracket, the bed 1a is elevated to a position close to the bed middle plate 2 a. Firstly, the bed board 1b is dismounted, then one double-headed line weight 9 is arranged on the left side bed middle board 2a and the bed platform 1a in a spanning mode, and the other double-headed line weight 9 is arranged on the right side bed middle board 2a and the bed platform 1a in a spanning mode, and the thin lines of the bodies of the two double-headed line weights 9 are ensured to be parallel.
According to the contact condition of the body thin wire with the bed middle plate 2a and the bed table 1a, the height of the corresponding adjusting caster 1c is adjusted, finally, the thin wire is attached to the surfaces of the bed middle plate 2a and the bed table 1a at the same time, and when the thin wire does not fall off, as shown in figure 11, the height consistency and the horizontal alignment of the bed middle plate 2a and the bed table 1a are ensured.
Therefore, when the bed plate 1b is pushed to move into the magnet 2, the moving direction is parallel to the central axis of the magnet 2, the bed plate 1b cannot hit the bed middle plate 2a due to low position, and the bed plate 1b cannot fall into the bed middle plate 2a due to high position to have impact.
The above-mentioned embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which should not be construed as limiting the scope of the present invention. All modifications made according to the spirit of the main technical scheme of the present invention shall be covered within the protection scope of the present invention.
Claims (9)
1. A tool for quickly positioning a magnetic resonance bed is used for calibrating and aligning the magnetic resonance bed and a magnet (2), wherein the magnetic resonance bed comprises a bed (1 a) provided with a bed board (1 b) in a sliding manner, a bed frame (1 d) arranged at the lower part of the bed (1 a) and four adjusting trundles (1 c) arranged at the bottom of the bed frame (1 d) and used for adjusting the height, and a left bed middle plate and a right bed middle plate (2 a) used for supporting the bed board (1 b) are arranged inside the magnet (2); the tool is characterized by comprising a bed central axis aligning device and a bed height aligning device, wherein the bed central axis aligning device comprises a left positioning bracket (4) and a right positioning bracket (4) which are fixed on the near-bed end of the magnet (2) and a left ground detachable calibration strip (5) which are detachably fixed with the left positioning bracket (4) and the right positioning bracket (4) respectively and are symmetrically parallel to the central axis of the magnet (2); marking structures used for marking the positions of four adjusting casters (1 c) of the magnetic resonance bed on the ground are arranged on the left and right detachable calibration strips (5) on the ground, and when the four adjusting casters (1 c) are matched with the ground mark, the bed (1 a) is overlapped with the central axis of the magnet (2); the bed height aligning device comprises two double-head line weights (9) which are used for matching with the adjusting caster wheels (1 c) and are used for detecting whether the surfaces of the bed (1 a) and the bed middle plate (2 a) are horizontally aligned, wherein one double-head line weight (9) is arranged on the left side bed middle plate (2 a) and the bed (1 a) in a spanning mode, and the other double-head line weight (9) is arranged on the right side bed middle plate (2 a) and the bed (1 a) in a spanning mode.
2. The tool for rapidly positioning the magnetic resonance bed according to claim 1, wherein the bed (1 a) and the bed middle plate (2 a) are respectively provided with a roller (3) with the same specification for slidably guiding the bed plate (1 b), and when the surfaces of the bed (1 a) and the bed middle plate (2 a) are horizontally aligned, the tops of all the rollers (3) are also positioned on the same horizontal plane.
3. The tool for rapidly positioning the magnetic resonance bed according to claim 1, wherein the marking structure is a marking hole (6), a marking groove or a marking protrusion.
4. The tool for rapidly positioning the magnetic resonance bed according to claim 1 or 3, wherein the four adjusting caster wheels (1 c) of the magnetic resonance bed are distributed in a rectangular shape, and the central axis of the rectangular shape is overlapped with the central axis of the magnetic resonance bed; the four marking structures on the corresponding left and right detachable calibration strips (5) are also distributed in a rectangular shape, and the central axis of the rectangular shape is superposed with the central axis of the magnet (2).
5. The tool for rapidly positioning the magnetic resonance bed according to claim 1 or 3, wherein the four adjusting caster wheels (1 c) of the magnetic resonance bed are distributed in an isosceles trapezoid shape, and the central axis of the isosceles trapezoid coincides with the central axis of the magnetic resonance bed; the four marking structures on the corresponding left and right detachable calibration strips (5) are also distributed in an isosceles trapezoid shape, and the central axis of the isosceles trapezoid shape is superposed with the central axis of the magnet (2).
6. The tool for rapidly positioning the magnetic resonance bed according to claim 1, wherein the double-headed line weight (9) comprises a body thin line and weights fixed at two ends of the body thin line, the body thin lines of the two double-headed line weights (9) are arranged in parallel, and when the two body thin lines are simultaneously attached to the surfaces of the bed table (1 a) and the bed middle plate (2 a) without any detachment, the horizontal alignment of the surfaces of the bed table (1 a) of the magnetic resonance bed and the bed middle plate (2 a) of the magnet (2) is indicated.
7. The tool for rapidly positioning the magnetic resonance bed according to claim 1, wherein the inner side of the magnet (2) is provided with a left platform (2 b) and a right platform (2 b) for respectively supporting and fixing the left bed middle plate and the right bed middle plate (2 a), the end, close to the bed, of the left platform (2 b) and the end, close to the bed, of the right platform (2 b) are provided with extending parts which are longer than the corresponding bed middle plate (2 a), the left positioning support (4) and the right positioning support (4) are L-shaped hanging plates, and the transverse parts of the hanging plates are respectively fixed to the extending parts of the left platform (2 b) and the right platform (2 b) close to the bed end of the magnet (2) through.
8. The tool for rapidly positioning the magnetic resonance bed according to claim 7, wherein one end of each of the left and right detachable calibration strips (5) is integrally connected with a longitudinal connecting support (7) respectively, and is fixed with the longitudinal portion of the corresponding L-shaped hanging plate through a bolt (8) or a screw respectively, and a plurality of positioning holes (10) are formed in the longitudinal portion of the L-shaped hanging plate along the longitudinal direction and used for being matched with the positioning holes in the longitudinal connecting support (7) to penetrate through the bolt (8) or the screw so as to adjust the fixing height of the longitudinal connecting support (7), so that the corresponding detachable calibration strips (5) on the left and right ground can be attached to the ground.
9. The tool for rapidly positioning the magnetic resonance bed according to claim 1, wherein the bed frame (1 d) is an electrically controlled lifting support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921787574.2U CN211094111U (en) | 2019-10-23 | 2019-10-23 | Tool for quickly positioning magnetic resonance bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921787574.2U CN211094111U (en) | 2019-10-23 | 2019-10-23 | Tool for quickly positioning magnetic resonance bed |
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| Publication Number | Publication Date |
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| CN211094111U true CN211094111U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921787574.2U Active CN211094111U (en) | 2019-10-23 | 2019-10-23 | Tool for quickly positioning magnetic resonance bed |
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| CN (1) | CN211094111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114469597A (en) * | 2022-04-08 | 2022-05-13 | 潍坊新力超导磁电科技有限公司 | Infant incubator convenient to magnetic resonance |
-
2019
- 2019-10-23 CN CN201921787574.2U patent/CN211094111U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114469597A (en) * | 2022-04-08 | 2022-05-13 | 潍坊新力超导磁电科技有限公司 | Infant incubator convenient to magnetic resonance |
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