CN108159575A - Method, system and the figure memory mattress of auxiliary pendulum position - Google Patents
Method, system and the figure memory mattress of auxiliary pendulum position Download PDFInfo
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- CN108159575A CN108159575A CN201611116522.3A CN201611116522A CN108159575A CN 108159575 A CN108159575 A CN 108159575A CN 201611116522 A CN201611116522 A CN 201611116522A CN 108159575 A CN108159575 A CN 108159575A
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000037237 body shape Effects 0.000 claims description 84
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 8
- 238000001514 detection method Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000001959 radiotherapy Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1092—Details
- A61N2005/1097—Means for immobilizing the patient
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The application provides a kind of method for assisting pendulum position.The method of auxiliary pendulum position includes：Figure memory mattress is provided, the figure memory mattress includes telescopic mast array, and the telescopic mast array includes several telescopic telescopic masts；When first time putting position, stretch at least partly described telescopic mast, so that figure memory mattress formation meets the shape of the figure of subject；Record the shape of the figure memory mattress；And before position is put again, stretched at least partly telescopic mast according to the shape of the figure memory mattress of record, the figure memory mattress is made to form the shape of record, position is put with the shape formed according to the figure memory mattress again.The application also provides a kind of auxiliary pendulum system of position and figure memory mattress.
Description
Technical Field
The present application relates to an auxiliary positioning technology, and more particularly, to a method and system for positioning a subject using a linear accelerator, and a body shape memory mattress.
Background
Currently, medical linear accelerators have become the main equipment for external irradiation radiotherapy. In the treatment process, in order to keep the treatment position of the patient consistent with the last treatment position, after the patient gets into bed, the position of the patient needs to be adjusted to make the position of the patient relative to the bed the same. At present, manual positioning is generally adopted, namely, medical staff bring a patient into a treatment room and fix the patient on a treatment bed through a grinding tool manufactured in the first treatment process. In the positioning process, medical staff visually observe whether the body position of the patient is accurate or not, and then adjust the treatment bed through registration. If the deviation is too large, the medical linear accelerator needs to be repositioned, the positioning efficiency is low, the use efficiency of the medical linear accelerator is reduced, and meanwhile, a large positioning error may be caused. On the other hand, if the medical staff repeatedly positions the patient during the treatment process for each patient because of large error, the patient is exposed to excessive radiation.
Disclosure of Invention
In view of the above, one aspect of the present application provides a method for assisting positioning. The auxiliary positioning method comprises the following steps: providing a body shape memory mattress, wherein the body shape memory mattress comprises a telescopic column array, and the telescopic column array comprises a plurality of telescopic columns; when the mattress is placed for the first time, at least part of the telescopic columns are telescopic, so that the body shape memory mattress is in a shape conforming to the body shape of the detected body; recording the shape of the body shape memory mattress; before the mattress is set again, at least part of the telescopic columns are telescopic according to the recorded shape of the body shape memory mattress, so that the body shape memory mattress forms the recorded shape, and the mattress is set again according to the shape formed by the body shape memory mattress.
Another aspect of the present application provides a system for assisting in positioning. The system for assisting positioning comprises: the body shape memory mattress comprises a telescopic column array, wherein the telescopic column array comprises a plurality of telescopic columns; the telescopic control circuit is used for telescopic at least part of the telescopic columns when the mattress is placed for the first time so as to enable the body shape memory mattress to form a shape conforming to the body shape of the subject; the recording unit is used for recording the shape of the body shape memory mattress when the mattress is placed for the first time; the telescopic control circuit is further used for telescopic at least part of the telescopic columns according to the recorded shape of the body shape memory mattress before the body shape memory mattress is set again, so that the body shape memory mattress forms the recorded shape, and the body shape memory mattress is set again according to the shape formed by the body shape memory mattress.
Yet another aspect of the present application provides a body memory mattress. The body shape memory mattress comprises a telescopic column array, wherein the telescopic column array comprises a plurality of electrically controlled telescopic columns.
Drawings
FIG. 1 is a schematic view of one embodiment of a shape memory mattress of the present application;
FIG. 2 is a flow chart of one embodiment of a method of assisted placement of the present application;
FIG. 3 is a schematic view of an embodiment of the present assisted positioning system.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not denote a limitation of quantity, but rather denote the presence of at least one. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
Figure 1 shows a schematic view of a body memory mattress 10. The body memory mattress 10 includes an array of telescoping columns 12, the array of telescoping columns 12 including a plurality of telescoping columns 14. The telescopic column 14 is an electrically controlled telescopic column. The telescopic columns 14 are arranged independently, and a small distance can be reserved between the adjacent telescopic columns 14, so that the adjacent telescopic columns 14 do not influence the extension of each other, and a single telescopic column 14 can be replaced independently. In one embodiment, the body memory mattress 10 is used with a linear accelerator, and the spacing between adjacent telescoping columns 14 is less than the positional accuracy of the linear accelerator irradiation. For example, the linear accelerator irradiates the region of interest of the subject with a position accuracy of 5 mm, and the distance between the adjacent telescopic columns 14 is less than 5 mm, for example, 1 mm, 2 mm, or the like. Thus avoiding or reducing the influence of the shape memory mattress 10 on the position accuracy of the linear accelerator irradiation.
The telescopic column 14 includes a fixing portion 142 and a telescopic portion 143 telescopically coupled to the fixing portion 142. The fixing portions 142 of the plurality of telescopic legs 14 may be fixed to the support plate 16. The retractable portion 143 can be disposed inside the fixing portion 142 or sleeved outside the fixing portion 142. The telescopic portion 143 is extendable or retractable with respect to the fixing portion 142. In one embodiment, the telescoping portion 143 may be provided with a scale, which may indicate the length of extension or retraction.
In one embodiment, the body memory mattress 10 may be placed on and secured to a bed deck. The bed board can be a treatment bed of a linear accelerator. Before treatment, the body shape memory mattress 10 can be placed on a bed board and fixed, and after treatment is finished, the body shape memory mattress 10 can be taken away from the bed board 16. In another embodiment, the body memory mattress 10 may be integral with a deck and the array of telescoping columns 12 may extend from the deck. The telescopic column array 12 may be detachably mounted on the bed plate, facilitating replacement of a single telescopic column array 12. Or the telescopic column array 12 may be formed on the bed plate non-detachably.
The body shape memory mattress 10 can be used for a subject 18 (generally a patient) to lie on for treatment, so that the length and width of the telescopic column array 12 of the body shape memory mattress 10 can be set to be larger than the height and width of the subject 18, respectively. But is not limited thereto, and the length and width of the telescopic column array 12 may be designed according to practical use. Several types of body shape memory mattresses 10 of different sizes may be designed to accommodate subjects 18 of different body shapes. However, a general body shape memory mattress 10 that can accommodate subjects 18 of different body shapes may be designed.
In one embodiment, the top 143 of the telescoping column 14 (i.e., the end that contacts the subject 18) is padded to provide a more comfortable support surface. The soft cushion can be a rubber cushion, a cotton cushion or other soft cushion. In one embodiment, independent cushions may be laid at the top of each telescopic column 14, and the area of the cushion is close to the area of the top of the telescopic column 14, so as to ensure that the cushion does not affect the extension and retraction of the adjacent telescopic column 14. Typically, the area of the cushion is slightly smaller than the area of the top end of the telescoping pole 14. However, in another embodiment, one cushion may be laid on top of a plurality of adjacent telescopic pillars 14, or one cushion may be laid on top of all telescopic pillars 14 of the telescopic pillar array 12.
Fig. 2 is a schematic diagram of an embodiment of a method 20 for assisting positioning. The method 20 for assisting positioning may be used in a linear accelerator to assist positioning of a subject, but is not limited thereto, and the method 20 for assisting positioning may also be used in other systems to assist positioning. The method 20 of assisted placement includes steps 201-204. Wherein,
in step 201, a body shape memory mattress is provided, wherein the body shape memory mattress comprises a telescopic column array, and the telescopic column array comprises a plurality of telescopic columns.
The body shape memory mattress can be the body shape memory mattress shown in figure 1, and the description is omitted.
In step 202, at least a portion of the telescopic columns are extended and retracted during the first positioning so that the body shape memory mattress can be formed into a shape conforming to the body shape of the subject.
When the subject receives treatment for the first time, the subject is positioned for the first time. The subject is placed on the body shape memory mattress, and the position of the subject relative to the radiation source of the linear accelerator is adjusted, so that the radiation emitted by the radiation source can irradiate the interested area of the subject, generally the part needing radiotherapy, such as a tumor part.
The shape formed by the body shape memory mattress is matched with the body shape of the detected body. Generally, the subject lies on the body shape memory mattress, so the concave-convex shape of the upper surface of the body shape memory mattress matches with the concave-convex shape of the back surface of the subject. Thus, the position of the object to be examined in the set position is memorized through the body shape memory mattress.
In one embodiment, the initial state of the array of telescoping columns of the body memory mattress is a state in which the telescoping columns are retracted. All telescopic columns can be retracted to the lowest position or lower position at the moment, and the telescopic columns have larger extending space. When the subject is placed on the body shape memory mattress in the initial state of the telescopic column array, the lower portion of the subject, such as the heel, the back, and the hip, contacts the telescopic columns, and the upper portion, such as the neck and the waist, does not contact the telescopic columns.
At least part of the telescopic column is extended to collide with the subject. The telescopic column not in contact with the subject is extended to be in contact with the subject. During the extension, whether the telescopic column contacts the subject is monitored. When the telescopic column comes into contact with the subject, the movement of the telescopic column is stopped. In one embodiment, at least one pressure sensor is arranged in the telescopic column, and the pressure applied to the telescopic column is detected through the pressure sensor. If the pressure is not greater than the pressure threshold, the telescoping column is extended. If the pressure is larger than the pressure threshold value, the telescopic column collides with the detected body, and the movement of the telescopic column is stopped. The pressure threshold may be equal to or approximately equal to the internal pressure of the telescopic column. In other embodiments, whether the telescopic column collides with the subject may be detected in other manners. Thus, the shape of the body shape memory mattress conforms to the body shape of the subject.
In another embodiment, the initial state of the array of telescoping columns of the body memory mattress is the extended state of the telescoping columns. All telescopic columns can be extended to the highest position or higher position, and the telescopic columns have larger retraction space. The pressure applied to at least part of the telescopic column after the telescopic column is retracted is not greater than the pressure threshold value. When the detected body is placed on the body shape memory mattress in the initial state of the telescopic column array, the pressure of the lower part of the detected body on the telescopic columns is larger than the pressure threshold value, and the corresponding telescopic columns are retracted until the pressure is not larger than the pressure threshold value. The higher part of the detected body can contact with the corresponding telescopic column, and the corresponding telescopic column is retracted until the pressure is not greater than the pressure threshold value according to the pressure applied to the telescopic column. And continuously detecting the pressure applied to the telescopic column in the retracting process, and stopping the movement of the telescopic column once the pressure is not greater than a threshold value. Thus, the shape formed by the body shape memory mattress is matched with the body shape of the detected body.
In step 203, the shape of the body shape memory mattress is recorded.
The shape formed by the body shape memory mattress after the first time of positioning is recorded, and thus the position of the detected body is memorized. In one embodiment, the length of the telescoping column telescoping may be recorded. The shape of the body shape memory mattress is recorded by recording the length of each telescopic column, so that the position of the subject is memorized. The length of extension of the telescopic column relative to the lowest retracted position may be recorded, the length of retraction of the telescopic column relative to the highest extended position may be recorded, or the length of extension of the telescopic column relative to other reference positions may be recorded. In one embodiment, the telescopic column has a scale, and the scale of the telescopic column can be recorded to record the telescopic length of the telescopic column. The recorded telescopic length of the telescopic columns of the telescopic column array can be stored in one-to-one correspondence with the positions of the telescopic columns in the telescopic column array.
In step 204, before the mattress is set again, at least part of the telescopic columns are stretched according to the recorded shape of the body shape memory mattress, so that the body shape memory mattress forms the recorded shape, and the mattress is set again according to the shape formed by the body shape memory mattress.
The telescopic columns are telescopic according to the recorded telescopic lengths of the telescopic columns, so that the positions reached by the top ends of the telescopic columns are the same as the positions of the top ends of the same telescopic columns when the mattress is placed for the first time, and the shape formed by the body shape memory mattress is the same as the shape of the body shape memory mattress when the mattress is placed for the first time. Therefore, the detected body can be placed according to the shape formed by the body shape memory mattress, and the rapid and accurate positioning is realized. In one embodiment, the telescopic column may be extended or retracted according to the recorded scale of the telescopic column. In the process of telescoping the telescopic column, the telescoping length of the telescopic column can be detected to detect whether the telescopic column is in place. And the telescopic column stops moving after the telescopic column is in place.
The above is the method 20 of assisted positioning of one embodiment. In other embodiments, the method 20 of assisted seating may also include other steps. For example, in one embodiment, the shape memory mattress may be set to an initial state, such as retracted to a lowermost position or extended to an uppermost position, prior to first positioning. In one embodiment, the body shape memory mattress may be set to an initial state for use by another subject after the step 203 of recording the shape of the body shape memory mattress. In one embodiment, the shape memory mattress may be set to an initial state prior to the step 204 of telescoping at least a portion of the telescoping columns according to the recorded shape of the shape memory mattress. In some embodiments, the step of setting the body shape memory mattress to the initial state is not included, and the telescopic columns can be used on the basis of the body shape memory mattress used last time.
The actions of the method 20 of assisted positioning are illustrated in the form of modules, and the sequencing of the modules and the division of the actions within the modules shown in the figures are not limited to the illustrated embodiments. For example, the modules may be performed in a different order; actions in one module may be combined with actions in another module or split into multiple modules.
In correspondence with the foregoing embodiments of the method 20 of assisted seating, the present application also provides embodiments of a system of assisted seating. Fig. 3 is a schematic diagram of one embodiment of a system 30 for assisting positioning. The system 30 for assisting positioning comprises a body shape memory mattress 10, a telescoping control circuit 31 and a recording unit 32.
The shape memory mattress 10 may be the shape memory mattress 10 shown in fig. 1.
The expansion control circuit 31 is used for expanding and contracting at least part of the expansion columns 14 when the mattress is placed for the first time so as to enable the body shape memory mattress 10 to form a shape which is in accordance with the body shape of the detected body 18. In one embodiment, one telescopic control circuit 31 controls one telescopic column 14. In another embodiment, one telescopic control circuit 31 may control a plurality of telescopic columns 14. In one embodiment, the telescoping control circuit 31 may be used to extend at least a portion of the telescoping column 14 into impact with the subject 18. In another embodiment, the telescoping control circuit 31 may be configured to retract at least a portion of the telescoping column 14 until the pressure experienced by the telescoping column 14 is no greater than a pressure threshold.
The recording unit 32 is used to record the shape of the body memory mattress 10 at the first set. In one embodiment, it may be used to record the length of extension of the telescoping column 14. The recording unit 32 is connected to all the telescopic columns 14 of the telescopic column array 12.
The expansion control circuit 31 is further configured to expand and contract at least a portion of the expansion columns 14 based on the recorded shape of the shape memory mattress 10 prior to repositioning to cause the shape memory mattress 10 to assume the recorded shape to reposition in accordance with the shape assumed by the shape memory mattress 10. In one embodiment, the telescopic control circuit 31 is used to extend and retract the telescopic column 14 according to the recorded length of extension and retraction of the telescopic column 14. The expansion control circuit 31 may be integrated into the body shape memory mattress 10 or disposed outside the body shape memory mattress 10.
The expansion control circuit 31 and the recording unit 32 of the system 30 for assisting in positioning may be implemented by software, or may be implemented by hardware, or a combination of hardware and software. The implementation process of the functions and actions of each unit in the auxiliary positioning system 30 is specifically detailed in the implementation process of the corresponding steps in the auxiliary positioning method 20, and is not described herein again.
In other embodiments, the system 30 for assisting positioning may also include other components not shown. In one embodiment, the system 30 for assisted positioning further comprises a pressure sensor and a pressure detection circuit. The pressure sensor may be disposed in the telescopic column 14 for detecting the pressure applied to the telescopic column 14. The pressure detection circuit can judge the relationship between the pressure applied to the telescopic column 14 and the pressure threshold value according to the signal of the pressure sensor. The telescopic control circuit 31 can extend and retract the telescopic column 14 or stop the movement of the telescopic column 14 according to the magnitude relation between the pressure applied to the telescopic column 14 and the pressure threshold value judged by the pressure detection circuit.
In one embodiment, the system 30 for assisting in positioning further comprises a length detection circuit for detecting the length of extension and retraction of the telescopic column 14. The length detection circuit can detect the scale of the telescopic column 14. The length detection circuit supplies the detected length of the telescopic column 14 to the recording unit 32 for recording.
In one embodiment, the system 30 for assisting positioning further comprises an overall control system, such as, but not limited to, a computer system, a microprocessor system, etc., which may be used to control the operation of the telescoping control circuit 31, the recording unit 32, the pressure sensor, the pressure sensing circuit, and/or the length sensing circuit. In one embodiment, the recording unit 32 may be integrated into an overall control system.
For the device embodiments, since they substantially correspond to the method embodiments, reference may be made to the partial description of the method embodiments for relevant points. The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the components can be selected according to actual needs to achieve the purpose of the scheme of the application. One of ordinary skill in the art can understand and implement it without inventive effort.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.
Claims (13)
1. A method for assisting positioning is characterized in that: it includes:
providing a body shape memory mattress, wherein the body shape memory mattress comprises a telescopic column array, and the telescopic column array comprises a plurality of telescopic columns;
when the mattress is placed for the first time, at least part of the telescopic columns are telescopic, so that the body shape memory mattress is in a shape conforming to the body shape of the detected body;
recording the shape of the body shape memory mattress; and
before the mattress is set again, at least part of the telescopic columns are telescopic according to the recorded shape of the body shape memory mattress, so that the body shape memory mattress forms the recorded shape, and the mattress is set again according to the shape formed by the body shape memory mattress.
2. The method of assisted placement as defined in claim 1, wherein: the step of recording the shape of the body shape memory mattress comprises: recording the telescopic length of the telescopic column; the step of telescoping at least part of the telescoping columns according to the recorded shape of the body shape memory mattress comprises: and stretching the telescopic column according to the recorded stretching length of the telescopic column.
3. The method of assisted placement as defined in claim 1, wherein: and a soft cushion is laid at the top end of the telescopic column.
4. The method of assisted placement as defined in claim 1, wherein: the step of telescoping at least a portion of the telescoping pole during the first stance comprises: extending at least a portion of the telescopic column to collide with the subject.
5. The method of assisted placement as defined in claim 1, wherein: the step of telescoping at least a portion of the telescoping pole during the first stance comprises: and the pressure applied to at least part of the telescopic column after the telescopic column is retracted is not greater than a pressure threshold value.
6. A system for assisting positioning is characterized in that: it includes:
the body shape memory mattress comprises a telescopic column array, wherein the telescopic column array comprises a plurality of telescopic columns;
the telescopic control circuit is used for telescopic at least part of the telescopic columns when the mattress is placed for the first time so as to enable the body shape memory mattress to form a shape conforming to the body shape of the subject;
the recording unit is used for recording the shape of the body shape memory mattress when the mattress is placed for the first time;
the telescopic control circuit is further used for telescopic at least part of the telescopic columns according to the recorded shape of the body shape memory mattress before the body shape memory mattress is set again, so that the body shape memory mattress forms the recorded shape, and the body shape memory mattress is set again according to the shape formed by the body shape memory mattress.
7. The system of assisted placement of claim 6, wherein: the recording unit is used for recording the telescopic length of the telescopic column, and the telescopic control circuit is used for telescoping the telescopic column according to the recorded telescopic length of the telescopic column.
8. The system of assisted placement of claim 6, wherein: and a soft cushion is laid at the top end of the telescopic column.
9. The system of assisted placement of claim 6, wherein: the telescopic control circuit is used for extending at least part of the telescopic column to collide with the detected body.
10. The system of assisted placement of claim 6, wherein: the telescopic control circuit is used for retracting at least part of pressure applied to the telescopic column from the telescopic column is not greater than a pressure threshold value.
11. A body shape memory mattress is characterized in that: the telescopic column array comprises a plurality of electrically controlled telescopic columns.
12. The shape memory mattress of claim 11, wherein: and a soft cushion is laid at the top end of the telescopic column.
13. The shape memory mattress of claim 11, wherein: at least one pressure sensor is arranged in the telescopic column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611116522.3A CN108159575A (en) | 2016-12-07 | 2016-12-07 | Method, system and the figure memory mattress of auxiliary pendulum position |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611116522.3A CN108159575A (en) | 2016-12-07 | 2016-12-07 | Method, system and the figure memory mattress of auxiliary pendulum position |
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| CN108159575A true CN108159575A (en) | 2018-06-15 |
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| CN201611116522.3A Pending CN108159575A (en) | 2016-12-07 | 2016-12-07 | Method, system and the figure memory mattress of auxiliary pendulum position |
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| CN113995966B (en) * | 2021-12-14 | 2023-12-01 | 洛阳新区人民医院 | Comfortable and easy-to-position dermatological laser treatment matching device for pediatrics and use method |
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