CN211409114U - X-ray beam limiting device and X-ray diagnostic device - Google Patents
X-ray beam limiting device and X-ray diagnostic device Download PDFInfo
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- CN211409114U CN211409114U CN201921677521.5U CN201921677521U CN211409114U CN 211409114 U CN211409114 U CN 211409114U CN 201921677521 U CN201921677521 U CN 201921677521U CN 211409114 U CN211409114 U CN 211409114U
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Abstract
An X-ray beam limiting device and an X-ray diagnostic device, the X-ray beam limiting device includes: an X-ray beam limiter for limiting the irradiation area of the X-ray generated by the X-ray generator; a wireless power supply unit that supplies power to the drive mechanism via the coil unit; the drive mechanism drives the X-ray beam limiter by the power supplied by the wireless power supply unit, and includes a parallel drive mechanism for moving the X-ray beam limiter in parallel, a rotational drive mechanism for rotating the X-ray beam limiter, and a power supply mechanism for receiving the power supplied by the wireless power supply unit and supplying power to the parallel drive mechanism and the rotational drive mechanism. The utility model discloses simple structure makes X line beam limiter rotary motion not receive the restriction, reduces the cable broken string, twists and the line risk is walked in space to outward appearance taste promotes.
Description
Technical Field
The utility model relates to an X-ray beam limiting device and an X-ray diagnostic device.
Background
An X-ray diagnostic apparatus irradiates an object with X-rays generated by an X-ray generation unit and detects the X-rays transmitted through the object by an X-ray detection unit to acquire an X-ray image. In order to prevent radiation to a region other than the imaging region, an X-ray beam limiting device for adjusting an irradiation region for irradiating X-rays of a subject is provided on the downstream side of an X-ray generating unit in the X-ray irradiation direction.
As shown in fig. 1, the X-ray beam limiting device includes an X-ray beam limiter 1 ', a driving mechanism 2 ', and a power supply unit 3 '. The X-ray beam limiter 1' includes a plurality of beam limiting plates formed of lead or the like, for example. The drive mechanism 2' includes a parallel drive mechanism that moves the plurality of beam limiting plates in parallel and limits the X-ray irradiation region to be irradiated on the subject by adjusting the size of the opening formed by the plurality of beam limiting plates, and a rotation drive mechanism. The rotational driving mechanism rotates and moves the plurality of beam limiting plates, adjusts the angle of the irradiation region (opening) so that the irradiation region limited by the X-ray beam limiter corresponds to the shape of the imaging region (for example, cervical vertebra, etc.), the power supplying unit 3 'supplies power to the driving mechanism 2' through the cable 4 ', and the driving mechanism 2' drives the X-ray beam limiter 1 'through the power supplied by the power supplying unit 3'.
However, the rotational movement of the X-ray beam limiter is restricted by a cable for supplying power to the drive mechanism. For example, as shown in fig. 2, when the drive mechanism 2 ' rotates the X-ray beam limiter 1 ', the cable 4 ' may be wound around the rotary shaft 5 ' according to the rotation angle of the X-ray beam limiter 1 '. For this reason, there is a problem of restricting the rotational movement of the X-ray beam limiter.
SUMMERY OF THE UTILITY MODEL
The technical problem of the utility model is to provide a through simple structure, make the rotatory removal of X line beam limiter not receive the X line beam limiter and restrict X line diagnostic device.
In order to solve the technical problem, the utility model provides a X-ray beam limiting device which comprises:
an X-ray beam limiter for limiting the irradiation area of the X-ray generated by the X-ray generator;
a wireless power supply unit that supplies power to the drive mechanism via the coil unit;
and a driving mechanism for driving the X-ray beam limiter by the power supplied from the wireless power supply unit, the driving mechanism including a parallel driving mechanism for moving the X-ray beam limiter in parallel, a rotational driving mechanism for rotating the X-ray beam limiter, and a power supply mechanism for receiving the power supplied from the wireless power supply unit and supplying power to the parallel driving mechanism and the rotational driving mechanism.
Drawings
FIG. 1 is a schematic block diagram of a conventional X-ray beam limiting device;
FIG. 2 is a schematic structural diagram of a conventional X-ray beam limiting device;
FIG. 3 is a schematic structural diagram of a first embodiment of the X-ray beam limiting device of the present invention;
FIG. 4 is a schematic structural view of a second embodiment of the X-ray beam limiting device of the present invention;
fig. 5 is a schematic structural view of a third embodiment of the X-ray beam limiting device of the present invention;
fig. 6 is a schematic structural diagram of an embodiment of the X-ray diagnostic apparatus of the present invention.
Detailed Description
The invention will be elucidated below on the basis of an embodiment shown in the drawing. The embodiments disclosed herein are to be considered in all respects as illustrative and not restrictive. The scope of the present invention is not limited by the following description of the embodiments, but is defined only by the scope of the claims, and includes all modifications that have the same meaning as the scope of the claims and are within the scope of the claims.
Fig. 3 is a schematic structural diagram of a first embodiment of the X-ray beam limiting device of the present invention, which includes:
x-ray beam limiter 1: which limits the irradiation area of the X-ray generated by the X-ray generating part;
a wireless power supply unit: which supplies power to the driving mechanism through the coil unit;
a driving mechanism: the X-ray beam limiter 1 is driven by power supplied from a wireless power supply unit, and includes a parallel drive mechanism for moving the X-ray beam limiter 1 in parallel, a rotational drive mechanism 2 for rotationally moving the X-ray beam limiter 1, and a power supply mechanism for receiving the power supplied from the wireless power supply unit and supplying power to the parallel drive mechanism and the rotational drive mechanism 2.
The X-ray beam limiting device is supported by an X-ray generating unit of the X-ray diagnostic apparatus via a beam limiting device supporting mechanism 4.
The power feeding structure includes a power receiving side coil unit 5 that receives power supplied from a wireless power supply unit, and the power receiving side coil unit 5 is electrically connected to the X-ray beam limiter 1 via a first cable 6.
The coil unit of the wireless power supply unit is a power transmission side coil unit 7 that supplies power to the power reception side coil unit 5, the power transmission side coil unit 7 is attached to the rotation drive mechanism 2, and the power transmission side coil unit 7 is connected to the restraint device support mechanism 4 via a second cable 8.
The power receiving side coil unit 5 and the power transmitting side coil unit 7 perform wireless power transmission by electromagnetic induction, regardless of whether the X-ray beam limiter 1 is rotated. The coil diameter of the power receiving side coil unit 5 and the coil diameter of the power transmitting side coil unit 7 can be about 75mm according to the technical requirements of wireless transmission, but can be designed to be enlarged according to the practical appropriate size due to the restriction requirements of the X-ray path.
In the present embodiment, the power is wirelessly transmitted to the power receiving side coil unit 5 of the power supply structure of the drive mechanism through the power transmission side coil unit 7 of the wireless power supply unit, and the rotation of the X-ray beam limiter 1 is controlled by the rotation drive mechanism 2, so that the power transmission and supply of the X-ray beam limiter 1 are realized by adopting the wireless power transmission technology, and the wireless power transmission is realized between the X-ray beam limiter 1 and the beam limiting device support mechanism 4, thereby simplifying the cable, solving the problems of cable twisting and wire breakage, realizing the rotation of the X-ray beam limiter 1 at any angle, solving the problem of limited rotation angle of the X-ray beam limiter 1, and solving the problem of low appearance and taste of the cable.
Fig. 4 is a schematic structural diagram of a second embodiment of the X-ray beam limiting device of the present invention, which includes:
x-ray beam limiter 1: which limits the irradiation area of the X-ray generated by the X-ray generating part;
a wireless power supply unit: which supplies power to the driving mechanism through the coil unit;
a driving mechanism: the X-ray beam limiter 1 is driven by the power supplied by the wireless power supply part, and comprises a parallel driving mechanism for enabling the X-ray beam limiter 1 to move in parallel, a rotary driving mechanism 2 for enabling the X-ray beam limiter 1 to move in a rotary mode, and a power supply structure for receiving the power supplied by the wireless power supply part and supplying power to the parallel driving mechanism and the rotary driving mechanism 2, wherein the rotary driving mechanism 2 comprises a rotary bearing 9;
the X-ray beam limiting device is supported by an X-ray generating unit of the X-ray diagnostic apparatus via a beam limiting device supporting mechanism 4.
The power feeding structure includes a power receiving side coil unit 5 that receives power supplied from a wireless power supply unit, and the power receiving side coil unit 5 is electrically connected to the X-ray beam limiter 1 via a first cable 6.
The coil unit of the wireless power supply unit is a power transmission side coil unit 7 that supplies power to the power reception side coil unit 5, the power transmission side coil unit 7 is mounted in a rotation bearing 9 of the rotation drive mechanism 2, and the power transmission side coil unit 7 is connected to the restraint device support mechanism 4 via a second cable 8.
The power receiving side coil unit 5 and the power transmitting side coil unit 7 are both hollow structures, and in this embodiment, both are annular, the power receiving side coil unit 5 is also mounted inside the swivel bearing 9, the power transmitting side coil unit 7 and the power receiving side coil unit 5 rotate coaxially, and the power receiving side coil unit 5 and the power transmitting side coil unit 7 perform wireless power transmission by electromagnetic induction, regardless of whether the X-ray beam limiter 1 rotates or not. The coil diameter of the power receiving side coil unit 5 and the coil diameter of the power transmitting side coil unit 7 can be about 75mm according to the technical requirements of wireless transmission, but can be designed to be enlarged according to the practical appropriate size due to the restriction requirements of the X-ray path.
In the present embodiment, the X-ray beam limiter 1 is connected to the swivel bearing 9, the swivel bearing 9 is a turning part, the X-ray beam limiter 1 is rotated by the swivel bearing 9, the power receiving side coil unit 5 and the power transmitting side coil unit 7 are rotated coaxially, the X-ray beam limiter 1 and the power receiving side coil unit 5 are connected to each other by the first cable 6 for power supply, the beam limiter support mechanism 4 and the power transmitting side coil unit 7 are connected by the second cable 8, and when the X-ray beam limiter 1 is rotated around the rotation axis, the power transmitting side coil unit 7 and the power receiving side coil unit 5 are kept relatively stationary, but wireless power transmission is always performed. When X-rays pass through the hollow portions of the power reception side coil unit 5 and the power transmission side coil unit 7, they are not affected by the coils. The power receiving side coil unit 5 and the power transmitting side coil unit 7 perform wireless power transmission by electromagnetic induction, and can perform power transmission even when they are stationary, and when the X-ray beam limiter 1 rotates slowly, the power receiving side coil unit 5 and the power transmitting side coil unit 7 also rotate relatively at the same time, but do not affect power transmission.
In the embodiment, wireless power transmission is realized between the X-ray beam limiter 1 and the beam limiting device supporting mechanism 4 through the power receiving side coil unit 5 and the power transmitting side coil unit 7 which are connected in the rotary bearing 9, and power transmission and supply of the X-ray beam limiter 1 are realized by adopting a wireless power transmission technology, so that cables are simplified, the problems of cable twisting and cable breakage are solved, the X-ray beam limiter 1 rotates at any angle, the problem of limited rotation angle of the X-ray beam limiter 1 is solved, and the problem of low appearance and taste of the cables is solved.
Fig. 5 is a schematic structural diagram of a third embodiment of the X-ray beam limiting device of the present invention, which includes:
x-ray beam limiter 1: which limits the irradiation area of the X-ray generated by the X-ray generating part;
a wireless power supply unit: which supplies power to the driving mechanism through the coil unit;
a driving mechanism: the X-ray beam limiter 1 is driven by power supplied from a wireless power supply unit, and includes a parallel drive mechanism for moving the X-ray beam limiter 1 in parallel, a rotational drive mechanism 2 for rotationally moving the X-ray beam limiter 1, and a power supply mechanism for receiving the power supplied from the wireless power supply unit and supplying power to the parallel drive mechanism and the rotational drive mechanism 2, and the rotational drive mechanism 2 of the present embodiment includes a rotational bearing 9.
The X-ray beam limiting device is supported by an X-ray generating unit of the X-ray diagnostic apparatus via a beam limiting device supporting mechanism 4.
The power feeding structure includes a power receiving side coil unit 5 that receives power supplied from a wireless power supply unit, and the power receiving side coil unit 5 is electrically connected to the X-ray beam limiter 1 via a first cable 6.
The coil unit of the wireless power supply unit is a power transmission side coil unit 7 that supplies power to the power reception side coil unit 5, the power transmission side coil unit 7 is mounted in a rotation bearing 9 of the rotation drive mechanism 2, and the power transmission side coil unit 7 is connected to the restraint device support mechanism 4 via a second cable 8.
The power receiving side coil unit 5 and the power transmitting side coil unit 7 are both hollow structures, and in this embodiment, are annular, the power receiving side coil unit 5 is also mounted inside the swivel bearing 9, the power transmitting side coil unit 7 and the power receiving side coil unit 5 rotate coaxially, and the power receiving side coil unit 5 and the power transmitting side coil unit 7 generate electricity by electromagnetic induction to perform wireless power transmission, which is not affected by whether the X-ray beam limiter 1 rotates or not.
The X-ray beam limiter 1 of the present embodiment includes:
the battery 10: storing electric energy, which is supplied to the power receiving side coil unit 5 of the power feeding structure by the power transmitting side coil unit 7 of the wireless power supplying section through wireless transmission, and feeding the X-ray beam limiter 1 as backup power when the power transmitting side coil unit 7 does not supply power; power receiving-side substrate 11: the X-ray beam limiter 1 is provided with a power supply unit for supplying power to the X-ray beam limiter 1, and is configured to stabilize the electric energy supplied to the power supply structure by wireless transmission, supply the stabilized electric energy to the battery 10, and switch between the supply of power from the wireless power supply unit and the supply of power from the battery 10 so as to ensure the supply of power to the X-ray beam limiter 1 at any time.
The power receiving-side substrate 11 is connected to an X-ray beam limiter driving circuit 12 via a cable, and the X-ray beam limiter driving circuit 12 is connected to a wireless communication circuit 13.
In the present embodiment, the X-ray beam limiter 1 is connected to the rotary bearing 9, the X-ray beam limiter 1 rotates by the rotary bearing 9 while the power receiving side coil unit 5 and the power transmitting side coil unit 7 rotate coaxially, the X-ray beam limiter 1 and the power receiving side coil unit 5 are connected to each other by the first cable 6 for power supply, the beam limiter support mechanism 4 and the power transmitting side coil unit 7 are connected to each other by the second cable 8 for power supply, and when the X-ray beam limiter 1 rotates around the rotary shaft, the power transmitting side coil unit 7 and the power receiving side coil unit 5 are kept relatively stationary, but wireless power transmission is always performed. After the electric power is transmitted, the electric power may be stored in the battery 10 of the X-ray beam limiter 1, and the X-ray beam limiter 1 may be operated by supplying electric power using the battery 10 in an emergency. When X-rays pass through the hollow portions of the power reception side coil unit 5 and the power transmission side coil unit 7, they are not affected by the coils. The power receiving side coil unit 5 and the power transmitting side coil unit 7 perform wireless power transmission by electromagnetic induction, and can perform power transmission even when they are stationary, and when the X-ray beam limiter 1 rotates slowly, the power receiving side coil unit 5 and the power transmitting side coil unit 7 also rotate relatively at the same time, but do not affect power transmission.
In the embodiment, the power receiving side coil unit 5 and the power transmitting side coil unit 7 which are installed in the rotary bearing 9 are respectively and electrically connected with the X-ray beam limiter 1 and the beam limiting device supporting mechanism 4, wireless power transmission is realized between the X-ray beam limiter 1 and the beam limiting device supporting mechanism 4, and power transmission and supply of the X-ray beam limiter 1 are realized by adopting a wireless power transmission technology, so that cables are simplified, the problems of cable distortion and cable breakage are solved, the rotation of the X-ray beam limiter 1 at any angle is realized, the problem of limited rotation angle of the X-ray beam limiter 1 is solved, and the problem of low appearance and taste of the cables is solved. The wireless transmission of the electric power can provide the electric power for the action of the X-ray beam limiting device of the advanced machine rotating around the tube ball X-ray outlet and the lamp for illumination. The four operations of the X-ray beam limiting device, i.e., the movement of the square blade, the movement of the circular blade, the sliding of the compensation filter of the high-speed machine, and the rotation of the compensation filter, may be powered by wirelessly transmitted power.
Fig. 6 is a schematic structural diagram of an embodiment of the X-ray diagnostic apparatus of the present invention, which includes: an X-ray beam limiting device 14 which is provided on the X-ray irradiation side of the X-ray generating unit and limits an X-ray irradiation region irradiated from the X-ray generating unit to the subject on the bed 16; a detector 15 for detecting X-rays transmitted through the subject; a first support portion 17 for supporting the X-ray generating portion and the detector 15 in an opposed manner; a second support portion 18 that slidably supports the first support portion 17; and a third support part 19 which is provided on the floor and rotatably supports the second support part 18, wherein the X-ray beam limiter 14 includes the X-ray beam limiter 1, a drive mechanism, and a wireless power supply part, and the X-ray beam limiter 1 is supported by the beam limiter support mechanism 4 via the wireless power supply part, and the beam limiter support mechanism 4 is supported by an X-ray generating part provided on the first support part 17 of the X-ray diagnostic apparatus.
As the X-ray beam limiting device 14 in fig. 6, an X-ray beam limiting device as shown in any one of the embodiments of fig. 3 to 5 described above may be applied to the X-ray beam limiting device shown in fig. 6, in which the X-ray beam limiting device 14 is connected to the beam limiting device supporting mechanism 4 through a wireless power supply (that is, the X-ray beam limiter 1 is connected to the beam limiting device supporting mechanism 4 through a wireless power supply while the beam limiting device supporting mechanism 4 is supported on the X-ray generating portion).
The X-ray diagnosis device of the embodiment has simple and ingenious structural design, realizes the power transmission and supply of the X-ray beam limiter by utilizing the wireless power transmission technology, realizes the wireless power transmission between the X-ray beam limiter 1 and the beam limiting device supporting mechanism 4 of the X-ray beam limiting device 14, simplifies the cable, solves the problems of cable distortion and wire breakage, realizes the rotation of the X-ray beam limiter at any angle, solves the problem of limited rotation angle of the X-ray beam limiter, and solves the problem of low appearance and taste of the cable.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (10)
1. An X-ray beam limiting device, comprising:
an X-ray beam limiter for limiting the irradiation area of the X-ray generated by the X-ray generator;
a wireless power supply unit that supplies power to the drive mechanism via the coil unit;
and a driving mechanism for driving the X-ray beam limiter by the power supplied from the wireless power supply unit, the driving mechanism including a parallel driving mechanism for moving the X-ray beam limiter in parallel, a rotational driving mechanism for rotating the X-ray beam limiter, and a power supply mechanism for receiving the power supplied from the wireless power supply unit and supplying power to the parallel driving mechanism and the rotational driving mechanism.
2. The X-ray beam limiting device according to claim 1, wherein:
the power feeding structure includes a power receiving side coil unit that receives power supplied by the wireless power supply unit;
the coil unit of the wireless power supply unit is a power transmission side coil unit that supplies power to the power reception side coil unit.
3. The X-ray beam limiting device according to claim 2,
the power transmission side coil unit is attached to the rotation drive mechanism.
4. The X-ray beam limiting device according to claim 3,
the rotation driving mechanism includes a rotation bearing, and the power reception side coil unit and the power transmission side coil unit are mounted in the rotation bearing.
5. The X-ray beam limiting device according to claim 2, wherein the power receiving side coil unit and the power transmitting side coil unit perform wireless power transmission by electromagnetic induction without being affected by whether the X-ray beam limiter rotates.
6. The X-ray beam limiting device according to claim 2, wherein the power receiving side coil unit and the power transmitting side coil unit are both hollow.
7. The X-ray beam limiting device according to claim 2, wherein the power transmission side coil unit and the power reception side coil unit are coaxially rotated.
8. The X-ray beam limiting device according to claim 2, wherein the power receiving side coil unit is connected to the X-ray beam limiter by a cable, and the power transmitting side coil unit is connected to the beam limiting device support mechanism by a cable.
9. The X-ray beam limiting device of claim 1, wherein the X-ray beam limiter comprises:
a storage battery: storing electric energy generated by wirelessly transmitting the coil unit of the wireless power supply unit to the driving mechanism, and supplying power to the X-ray beam limiter as standby power when the coil unit is not supplied with power;
power receiving-side substrate: the wireless power supply unit is arranged on the X-ray beam limiter, and is used for stabilizing the electric energy generated by the wireless transmission of the coil unit of the wireless power supply part to the driving mechanism and then transmitting the electric energy to the storage battery, and switching between the power supply of the wireless power supply part and the power supply of the storage battery so as to ensure that the electric energy is supplied to the X-ray beam limiter at any time.
10. An X-ray diagnostic apparatus, comprising
An X-ray generating unit which is supported by the X-ray diagnostic apparatus and irradiates an object with X-rays;
a detector that detects X-rays that have passed through the subject;
an X-ray beam limiting device supported by the X-ray generating unit by a beam limiting device supporting mechanism,
the X-ray beam limiting device is the X-ray beam limiting device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921677521.5U CN211409114U (en) | 2019-10-09 | 2019-10-09 | X-ray beam limiting device and X-ray diagnostic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921677521.5U CN211409114U (en) | 2019-10-09 | 2019-10-09 | X-ray beam limiting device and X-ray diagnostic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211409114U true CN211409114U (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921677521.5U Active CN211409114U (en) | 2019-10-09 | 2019-10-09 | X-ray beam limiting device and X-ray diagnostic device |
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| Country | Link |
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| CN (1) | CN211409114U (en) |
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2019
- 2019-10-09 CN CN201921677521.5U patent/CN211409114U/en active Active
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