CN111297356A - Nuclear magnetic accelerator coil measuring device - Google Patents
Nuclear magnetic accelerator coil measuring device Download PDFInfo
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- CN111297356A CN111297356A CN202010095563.9A CN202010095563A CN111297356A CN 111297356 A CN111297356 A CN 111297356A CN 202010095563 A CN202010095563 A CN 202010095563A CN 111297356 A CN111297356 A CN 111297356A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0033—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room
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Abstract
The invention discloses a nuclear magnetic accelerator coil measuring device which comprises a bed plate matched with a nuclear magnetic accelerator frame, wherein a negative pressure pad which is in contact with and matched with the body surface of a patient is arranged in the middle of the bed plate, the negative pressure pad comprises an air bag capable of containing and inflating and deflating gas and a filler positioned in the air bag, an arch-shaped support which is in contraposition fit with the negative pressure pad is arranged above the bed plate in a reciprocating manner, the reciprocating direction of the arch-shaped support is consistent with the length direction of the bed plate, the outer wall of the arch-shaped support is matched with the inner cavity of a nuclear magnetic accelerator, and a measuring cavity capable of containing the body of the patient is enclosed between the inner wall of the arch-shaped support. The nuclear magnetic accelerator coil measuring device can accurately and efficiently determine the body type data of a patient, so as to judge whether the patient can meet the equipment size requirement of a nuclear magnetic accelerator, and avoid delaying the timely diagnosis and treatment of the patient.
Description
Technical Field
The invention relates to the field of medical equipment accessories, in particular to a nuclear magnetic accelerator coil measuring device.
Background
The medical linear accelerator guided by nuclear magnetic resonance imaging is the most advanced image guiding technology of modern radiotherapy. The technology can ensure that the nuclear magnetic images are collected in real time in the radiotherapy process, and the accurate definition of the target area is realized under the advantage of high nuclear magnetic soft tissue contrast. The technology is mainly used for skillfully fusing a magnetic resonance system with high field intensity and medical linear accelerator equipment, and solving the problem of pain points in the radiotherapy process by utilizing the advantages of the magnetic resonance system and the medical linear accelerator equipment. But new technologies also present new challenges to modern radiotherapy procedures.
In particular, because the nuclear magnetic imaging mode determines that the acquisition of signals requires the participation of a coil, the existence of the coil has a small influence on the accurate positioning of the patient, and the physical size of the forward coil brings double challenges to the selection of the body size of the patient and the selection of the body position fixing device. If the patient cannot be selected effectively, the patient cannot be treated, so that the time cost of the patient is delayed, the treatment of the patient is delayed, and the disease can be progressed seriously.
Therefore, how to accurately and efficiently measure the body type data of the patient to determine whether the patient can meet the equipment size requirement of the nuclear magnetic accelerator so as to avoid delaying the timely diagnosis and treatment of the patient is an important technical problem which needs to be solved at the present stage.
Disclosure of Invention
The invention aims to provide a nuclear magnetic accelerator coil measuring device which can accurately and efficiently measure the body type data of a patient so as to judge whether the patient can meet the equipment size requirement of a nuclear magnetic accelerator, so that the timely diagnosis and treatment of the patient are prevented from being delayed.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a nuclear magnetic accelerator coil measuring device which comprises a bed plate matched with a nuclear magnetic accelerator frame, wherein a negative pressure pad which is in contact with and matched with the body surface of a patient is arranged in the middle of the bed plate, the negative pressure pad comprises an air bag capable of containing and inflating and deflating gas and a filler positioned in the air bag, an arch-shaped support which is in contraposition fit with the negative pressure pad is arranged above the bed plate in a reciprocating manner, the reciprocating direction of the arch-shaped support is consistent with the length direction of the bed plate, the outer wall of the arch-shaped support is matched with the inner cavity of the nuclear magnetic accelerator, and a measuring cavity capable of containing the body of the patient is enclosed between the inner wall of the arch-shaped support.
Preferably, the bed board is arranged between positioning grooves on two sides of the nuclear magnetic accelerator rack in parallel, and the two outer ends of the arched bracket are both connected with moving components which can be arranged in the positioning grooves in a reciprocating manner.
Preferably, the moving assembly comprises a guide bar movably embedded in the positioning groove and a fixing device detachably locked and matched with the guide bar and the positioning groove.
Preferably, the number of the arch supports is at least two, and the arch supports are uniformly distributed along the length direction of the bed plate in sequence.
Preferably, be provided with the survey device with patient's body surface contact adaptation in the measurement intracavity, survey device is including being located negative pressure pad top and through elevating gear connect with the liftable in the flexible casing of arched support middle section bottom, be provided with steerable on the arched support elevating switch that elevating gear opened and stopped, be provided with on the casing with patient's body surface complex position sensor.
Preferably, the lifting device comprises a guide rail which is arranged at the bottom of the arched bracket in a protruding manner in the direction perpendicular to the top surface of the bed board, and the flexible shell is arranged on the guide rail in a lifting manner.
Preferably, a resistance reducing roller is further arranged in the guide rail.
Preferably, the filler is a particulate ball.
Preferably, the bed board is provided with an adaptation strip which is respectively aligned and adapted with the headrest and the negative pressure pad of the patient.
Preferably, the bed plate, the negative pressure pad and the arched bracket are made of nonmagnetic materials.
Compared with the background technology, the nuclear magnetic accelerator coil measuring device provided by the invention has the advantages that in the practical application process, the original conventional positioning fixing plate on the nuclear magnetic accelerator is replaced by the bed plate in the scheme, then the patient lies on the negative pressure pad on his back to adjust the patient to a comfortable position by himself, and then the air bag of the negative pressure pad is vacuumized by the vacuum pump, so that the fillers in the air bag can be uniformly and fully attached to the back body surface of the patient, the body shape and outline of the patient are substantially imitated, meanwhile, all the fillers are fully accumulated and pressed and fixed, so that the negative pressure pad is hardened and fixed, the patient can be fully attached to the body shape in the subsequent treatment process, and the comfort degree of the patient is improved; then the patient is positioned in the measuring cavity, the arched support is controlled to reciprocate along the length direction of the bed plate, so that whether the arched support interferes, collides or blocks with the body of the patient in the moving process is observed, whether the size of the body of the patient can meet the size of the inner cavity of the nuclear magnetic accelerator is judged, if the arched support is not in contact with the body of the patient, the size of the body of the patient can be judged to meet the size requirement of the inner cavity of the nuclear magnetic accelerator, and the nuclear magnetic accelerator can be used for carrying out corresponding treatment on the patient; if the arched support is in contact with the body of a patient, interfered or blocked in the moving process, the body size of the patient cannot meet the size requirement of the inner cavity of the nuclear magnetic accelerator, and the patient needs to be treated regularly in time so as to avoid delaying the illness state. The nuclear magnetic accelerator coil measuring device is simple and easy to operate in the operation process, the measuring result is visual and accurate, and the clinical requirements of size adaptation judgment of a patient, an inner cavity of a nuclear magnetic accelerator and a coil can be fully met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a nuclear magnetic accelerator coil measuring device according to an embodiment of the present invention.
The device comprises a bed plate 11, a negative pressure pad 12, an arch support 13, a measuring cavity 131, a moving assembly 132, a flexible shell 14, a lifting switch 141, a position sensor 142, a guide rail 143 and a positioning groove 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a nuclear magnetic accelerator coil measuring device which can accurately and efficiently measure the body type data of a patient so as to judge whether the patient can meet the equipment size requirement of a nuclear magnetic accelerator, so that the timely diagnosis and treatment of the patient are prevented from being delayed.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a nuclear magnetic accelerator coil measuring device according to an embodiment of the present invention.
In a specific embodiment, the nuclear magnetic accelerator coil measuring device provided by the invention comprises a bed plate 11 matched with a nuclear magnetic accelerator frame, a negative pressure pad 12 which is in contact with and matched with the body surface of a patient is arranged in the middle of the bed plate 11, the negative pressure pad 12 comprises an air bag capable of containing and inflating and deflating air and a filler positioned in the air bag, an arch-shaped support 13 which is in alignment fit with the negative pressure pad 12 is arranged above the bed plate 11 in a reciprocating manner, the reciprocating direction of the arch-shaped support 13 is consistent with the length direction of the bed plate 11, the outer wall of the arch-shaped support 13 is matched with the inner cavity of the nuclear magnetic accelerator, and a measuring cavity 131 capable of containing the body of the patient is enclosed between the inner wall of the arch-shaped support 13 and the bed plate 11.
In the practical application process, the original conventional positioning fixing plate on the nuclear magnetic accelerator is replaced by the bed plate 11 in the scheme, then the patient lies on the back of the negative pressure pad 12, the patient is adjusted to a comfortable position by himself, then the air bag of the negative pressure pad 12 is vacuumized by the vacuum pump, so that the fillers in the air bag can be uniformly and fully attached to the back body surface of the patient, the body shape outline of the patient is substantially imitated, meanwhile, all the fillers are fully accumulated and fixed, so that the negative pressure pad 12 is hardened and qualitative, the body shape of the patient is fully attached in the subsequent treatment process, and the comfort degree of the patient is improved; then, the patient is positioned in the measuring cavity 131, the arched support 13 is controlled to reciprocate along the length direction of the bed plate 11, so that whether the arched support 13 interferes, collides or blocks with the body of the patient in the moving process is observed, whether the size of the body of the patient can meet the size of the inner cavity of the nuclear magnetic accelerator is judged, if the arched support 13 is not in contact with the body of the patient, the size of the body of the patient can be judged to meet the size requirement of the inner cavity of the nuclear magnetic accelerator, and the nuclear magnetic accelerator can be used for carrying out corresponding nuclear magnetic treatment on the patient; if the arched support 13 contacts, interferes or blocks with the body of the patient in the moving process, the body size of the patient cannot meet the size requirement of the inner cavity of the nuclear magnetic accelerator, and the patient needs to be treated regularly in time so as to avoid delaying the illness state. The nuclear magnetic accelerator coil measuring device is simple and easy to operate in the operation process, the measuring result is visual and accurate, and the clinical requirements of size adaptation judgment of a patient, an inner cavity of a nuclear magnetic accelerator and a coil can be fully met.
It should be noted that, the bed plate 11 with the same size and specification as the conventional positioning fixing plate is used as the basic structural member of the nuclear magnetic accelerator coil measuring device, so that the structural suitability between the nuclear magnetic accelerator coil measuring device and related equipment such as a nuclear magnetic accelerator can be fully ensured, the position consistency and the structural matching degree of subsequent patients and equipment positioning and radiotherapy equipment placement are facilitated, and the treatment effect and the operation precision are ensured.
It should be further noted that, in practical operation, an on-off valve may be disposed at the airbag opening of the negative pressure pad 12, so as to reliably close the airbag in the inflated state or after the vacuum pumping is completed, thereby avoiding gas exchange between the airbag and the external environment and ensuring the relevant use effect of the negative pressure pad 12. Of course, even if the on-off valve is not arranged in practical application, the worker can adopt other technical means as long as the reliable sealing of the air bag after vacuumizing can be ensured.
Specifically, the bed plate 11 is disposed in parallel between the positioning slots 21 on both sides of the frame of the nuclear magnetic accelerator, and both outer ends of the arched bracket 13 are connected to the moving components 132 disposed in the positioning slots 21 in a reciprocating manner. This removal subassembly 132 can fully guarantee the removal efficiency and the position adjustment precision of arched support 13 to the staff can accurately move arched support 13 to required station department with high efficiency, guarantees the reliable accurate measurement of arched support 13 to the different positions of patient's health.
More specifically, the moving assembly 132 includes a guide bar movably inserted into the positioning groove 21 and a fixing device detachably locked and matched with the guide bar and the positioning groove 21. During actual operation, the guide bars are reliably aligned and assembled in the positioning grooves 21 through the fixing device, so that the guide bars cannot be separated from the positioning grooves 21 or misplaced in the subsequent moving process of the arched support 13, and the stable and reliable operation process of the arched support 13 is ensured.
In addition, the number of the arch supports 13 is at least two, and the arch supports 13 are sequentially and evenly distributed along the length direction of the bed plate 11. The structure that a plurality of arch supports 13 are evenly arranged helps to further improve the structural strength of the measuring cavity 131 and the measuring effect of the nuclear magnetic accelerator coil measuring device on the body shape of the patient, so that the relevant measuring precision and the measuring structure reliability are further ensured.
On the other hand, be provided with the survey device with patient's body surface contact adaptation in measuring chamber 131, survey device is including being located negative pressure pad 12 top and connecting in the flexible casing 14 of arched support 13 middle section bottom through elevating gear liftable, is provided with the lifting switch 141 that steerable elevating gear opened and stops on the arched support 13, is provided with on the casing with patient's body surface complex position sensor 142. After the arched bracket 13 finishes measuring the body shape of the patient, the lifting device is started through the lifting switch 141 to drive the flexible shell 14 to naturally droop to the surface of the body of the patient, then the current body position data of the patient is measured through the position sensor 142, and the related data is reliably recorded, so that reference and comparison are provided for adjusting the relative position between the coil and the body of the patient in the subsequent treatment plan, and the accuracy and the high efficiency of the related treatment process are ensured.
Further, the lifting device includes two guide rails 143 protruding from the bottom of the arched bracket 13 in a direction perpendicular to the top surface of the bed plate 11, and the flexible housing 14 is arranged on the guide rails 143 in a liftable manner. This guide rail 143's simple structure is reliable, and leads accurate stable, can fully guarantee flexible casing 14 and the lift adjustment efficiency and the structural strength of relevant subassembly, guarantees nuclear magnetic accelerator coil measuring device's whole operation effect.
Furthermore, a resistance reducing roller is arranged in the guide rail 143. The resistance reducing roller can avoid the phenomena of unsmooth relative movement and retardation caused by sliding fit between the guide rail 143 and the flexible shell 14, and changes the fit form between the guide rail 143 and the flexible shell 14 from sliding friction to rolling friction, thereby obviously reducing the structural resistance of the flexible shell 14 in the lifting process, improving the lifting operation efficiency and ensuring the relevant lifting operation effect.
In addition, the filler is a particulate ball. The particle ball has the advantages of exquisite structure, uniform and reliable internal stress distribution, capability of fully ensuring the negative pressure hardening forming effect after the vacuum pumping of the negative pressure pad 12, and improvement of the structure adaptation degree and comfort degree between the negative pressure pad 12 and a patient.
In addition, the bed plate 11 is provided with an adapting strip which is respectively matched with the head rest of the patient and the negative pressure pad 12 in the aligning way. Before the measurement operation is implemented, the adaptation strips are respectively arranged at the corresponding positions of the bed plate 11, so that the position of the headrest of the patient and the placing position of the negative pressure pad 12 are accurately set, the relative position between the headrest and the negative pressure pad 12 is ensured to be in accordance with the body size of the current patient, the patient is in a comfortable and relaxed state during the subsequent measurement and related treatment operation, and the related measurement and treatment effects are correspondingly improved.
More specifically, in the structure of the coil measuring device of the nuclear magnetic accelerator, all relevant components including the bed plate 11, the negative pressure pad 12 and the arch-shaped bracket 13 are made of nonmagnetic materials, so that the interference on the nuclear magnetic resonance treatment process is avoided, the stable and efficient operation of the nuclear magnetic accelerator equipment is ensured, and the treatment effect of the nuclear magnetic accelerator equipment on a patient is correspondingly improved.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. A nuclear magnetic accelerator coil measuring device is characterized in that: include the bed board with nuclear magnetic accelerator frame adaptation, the middle part of bed board is provided with the negative pressure pad with patient's body surface contact and adaptation, the negative pressure pad is including holding and filling gas's gasbag and being located filler in the gasbag, but the top of bed board reciprocating motion ground be provided with the negative pressure pad counterpoints complex arch support, the reciprocating motion direction of arch support with the length direction of bed board is unanimous, the outer wall and the nuclear magnetic accelerator inner chamber adaptation of arch support, just the inner wall of arch support with enclose between the bed board and synthesize the measurement chamber that can hold patient's health.
2. The nuclear magnetic accelerator coil measuring device according to claim 1, characterized in that: the bed board is arranged between the positioning grooves on two sides of the nuclear magnetic accelerator rack in parallel, and the two outer end parts of the arched bracket are connected with moving components which can be arranged in the positioning grooves in a reciprocating manner.
3. The nuclear magnetic accelerator coil measuring device according to claim 2, characterized in that: the movable assembly comprises a guide bar movably embedded in the positioning groove and a fixing device detachably locked and matched with the guide bar and the positioning groove.
4. The nuclear magnetic accelerator coil measuring device according to claim 1, characterized in that: the number of the arched supports is at least two, and the arched supports are uniformly distributed along the length direction of the bed board in sequence.
5. The nuclear magnetic accelerator coil measuring device according to claim 1, characterized in that: the measuring cavity is internally provided with a measuring device matched with the body surface of a patient in a contact manner, the measuring device comprises a negative pressure pad, a lifting device and a lifting switch, the negative pressure pad is connected to the upper portion of the negative pressure pad through the lifting device in a liftable manner, the lifting switch is arranged on the arched support and can be controlled to start and stop the lifting device, and the shell is provided with a position sensor matched with the body surface of the patient.
6. The nuclear magnetic accelerator coil measuring device according to claim 5, characterized in that: the lifting device comprises a guide rail which is arranged at the bottom of the arched support in a protruding mode in the direction perpendicular to the top face of the bed board, and the flexible shell is arranged on the guide rail in a lifting mode.
7. The nuclear magnetic accelerator coil measuring device according to claim 6, characterized in that: and resistance reducing rollers are also arranged in the guide rails.
8. The nuclear magnetic accelerator coil measuring device according to claim 1, characterized in that: the filler is a particle ball.
9. The nuclear magnetic accelerator coil measuring device according to claim 1, characterized in that: be provided with the adaptation strip of counterpointing the adaptation with patient's headrest and negative pressure pad respectively on the bed board.
10. The nuclear magnetic accelerator coil measuring device according to claim 1, characterized in that: the bed board, the negative pressure pad and the arched bracket are made of nonmagnetic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010095563.9A CN111297356A (en) | 2020-02-17 | 2020-02-17 | Nuclear magnetic accelerator coil measuring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010095563.9A CN111297356A (en) | 2020-02-17 | 2020-02-17 | Nuclear magnetic accelerator coil measuring device |
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| CN111297356A true CN111297356A (en) | 2020-06-19 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101022851A (en) * | 2004-06-29 | 2007-08-22 | 伊莱克塔公司 | Collision detecting device and method |
| KR20090080157A (en) * | 2008-01-21 | 2009-07-24 | 이동준 | Patient positioning verification tool for radiosurgery |
| CN103189104A (en) * | 2010-10-14 | 2013-07-03 | 卡洛斯·弗拉德拉·佩利克尔 | Medical device |
| TW201701829A (en) * | 2015-06-12 | 2017-01-16 | 超精細研究股份有限公司 | Automatic configuration of a low field magnetic resonance imaging system |
| CN108686308A (en) * | 2017-04-11 | 2018-10-23 | 医科达有限公司 | Coil device |
| US20190275351A1 (en) * | 2018-03-06 | 2019-09-12 | Shenyang Neusoft Medical Systems Co., Ltd. | Detecting collision |
| CN209405529U (en) * | 2018-09-14 | 2019-09-20 | 深圳市奥沃医学新技术发展有限公司 | A kind of anticollision simulator and radiotherapy system |
-
2020
- 2020-02-17 CN CN202010095563.9A patent/CN111297356A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101022851A (en) * | 2004-06-29 | 2007-08-22 | 伊莱克塔公司 | Collision detecting device and method |
| KR20090080157A (en) * | 2008-01-21 | 2009-07-24 | 이동준 | Patient positioning verification tool for radiosurgery |
| CN103189104A (en) * | 2010-10-14 | 2013-07-03 | 卡洛斯·弗拉德拉·佩利克尔 | Medical device |
| TW201701829A (en) * | 2015-06-12 | 2017-01-16 | 超精細研究股份有限公司 | Automatic configuration of a low field magnetic resonance imaging system |
| CN108686308A (en) * | 2017-04-11 | 2018-10-23 | 医科达有限公司 | Coil device |
| US20190275351A1 (en) * | 2018-03-06 | 2019-09-12 | Shenyang Neusoft Medical Systems Co., Ltd. | Detecting collision |
| CN209405529U (en) * | 2018-09-14 | 2019-09-20 | 深圳市奥沃医学新技术发展有限公司 | A kind of anticollision simulator and radiotherapy system |
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