CN104000588B - The method and system of patient is positioned in Medical Devices - Google Patents
The method and system of patient is positioned in Medical Devices Download PDFInfo
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- CN104000588B CN104000588B CN201310055278.4A CN201310055278A CN104000588B CN 104000588 B CN104000588 B CN 104000588B CN 201310055278 A CN201310055278 A CN 201310055278A CN 104000588 B CN104000588 B CN 104000588B
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000009826 distribution Methods 0.000 claims description 9
- 238000005457 optimization Methods 0.000 claims description 4
- 238000009828 non-uniform distribution Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 238000011017 operating method Methods 0.000 abstract description 3
- 210000003128 head Anatomy 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 210000001015 abdomen Anatomy 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 244000144985 peep Species 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 208000003643 Callosities Diseases 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 210000001175 cerebrospinal fluid Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000002600 positron emission tomography Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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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
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
- A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Optics & Photonics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The invention discloses a kind of method that patient is positioned in Medical Devices, it includes：The personal information of patient is inputted to obtain the manikin matched with patient；Calculate the positional information at patient scan position；Determine the positional information of target location；Control scanning bed movement scanned position is moved into target location by control system.The invention also discloses a kind of system that patient is positioned in Medical Devices.The method and system that patient is positioned in Medical Devices of the present invention can reduce the reduction operating procedure of operating personnel, and reduce the operating time；And the girth diameter of patient's each several part is obtained by manikin, it is ensured that scanning bed displacement effectively, does not result in the extruding of patient.
Description
【Technical field】
The present invention is about a kind of method and system that patient is positioned in Medical Devices.
【Technical background】
The system that patient is positioned in existing Medical Devices is general by setting peep hole, operator on Medical Devices
Member is by peep hole come manual positioning patient.Such a system needs time-consuming operation, is unfavorable for the operation of operating personnel.When adopting
Positioned with laser-scope during patient, because the laser beam that laser locator is sent may damage eyes, so in positioning,
Doctor needs to inform that patient closes eyes.For particular patients ', it is necessary to carry out blocking for eye, the operation of doctor is so added
Time.
Chinese patent bulletin CN100556365C patents disclose a kind of system that patient is positioned in Medical Devices,
Operating personnel are scanning bed by remote control, and observe the position of patient over the display, and the scanned position of patient is moved into mesh
Cursor position.The system of such a positioning patient needs the operation of people that scanned position could be moved to target location, so adds
The operating process of operating personnel.
Therefore, it is necessory to provide a kind of improved method and system that patient is positioned in Medical Devices, on overcoming
State and the defect that the method and system of patient is present is positioned in Medical Devices.
【The content of the invention】
It is an object of the invention to provide a kind of operating procedure that can reduce operating personnel and reduce the operating time doctor
Treat the method and system that patient is positioned in equipment.
The method that patient is positioned in Medical Devices of the present invention is to be achieved through the following technical solutions：One kind is set in medical treatment
The method of standby middle positioning patient, it includes：
The personal information of patient is inputted to obtain the manikin matched with patient；
Calculate the positional information at patient scan position；
Determine the positional information of target location；
Control scanning bed movement scanned position is moved into target location by control system；
The positional information for calculating patient scan position is obtained in the following way：
Determine scanning bed positional information；
Patient is placed on scanning bed, positional information of the patient on scanning bed is calculated；
The Mass Distribution of patient body is obtained by several pressure sensors being arranged on scanning bed, is suffered from according to described
The Mass Distribution of person's body it is equivalent go out patient body girth diameter, optimize corresponding manikin, according to human mould after the optimization
Type simultaneously combines the position letter that the positional information calculation of scanning bed positional information and patient on scanning bed goes out patient scan position
Breath.
In a preferred embodiment, the pressure sensor be generally evenly distributed in it is described it is scanning bed above.
In a preferred embodiment, the pressure sensor be it is non-be evenly distributed on it is described it is scanning bed above.
In a preferred embodiment, the target location is the isocenter point of magnetic resonance equipment.
In a preferred embodiment, the manikin includes the ginseng that stem length, head footpath enclose and illustrate pendulum pose gesture
Number.
Compared with prior art, the method and system of the invention that patient is positioned in Medical Devices passes through equivalent with patient
Manikin obtain the positional information of patient, calculate scanned position to the distance of target location, pass through scanning bed mobile general
Scanned position is moved to target location, so reduces operating procedure, and reduce the operating time；And patient is obtained by manikin
The girth diameter of each several part, it is ensured that scanning bed displacement effectively, does not result in the extruding of patient.
【Brief description of the drawings】
Fig. 1 is the schematic diagram of magnetic resonance system.
Fig. 2 is the flow chart for the method that the present invention positions patient in Medical Devices.
Fig. 3 is the flow chart of the first embodiment for the method that the present invention positions patient in Medical Devices.
Fig. 4 is the flow chart of the second embodiment for the method that the present invention positions patient in Medical Devices.
Fig. 5 is the schematic diagram that pressure sensor is arranged on the bed board of second embodiment of the invention.
Fig. 6 is the flow chart of the 3rd embodiment for the method that the present invention positions patient in Medical Devices.
Fig. 7 is the schematic diagram of the range finder arrangement of third embodiment of the invention.
Fig. 8 is the schematic diagram for the system that the present invention positions patient in Medical Devices.
【Embodiment】
It refer to shown in Fig. 1, Fig. 1 illustrates the critical piece of the magnetic resonance system 10 comprising the present invention, and the system is logical
Cross operator's console 12 to be controlled, console 12 includes keyboard and/or other input equipments 13, control panel 14 and shown
Display screen 16.Console 12 is connected by connection member 18 with an independent computer system 20, and computer system 20 can make operation
Member can control the generation and display of image on display screen 16.The computer system 20 includes being communicated with each other by backboard 20a
Some modules, these modules include image processor module 22, CPU modules 24 and memory modules 26, and memory modules 26 can
Be known to industry be used for storage image data group frame buffer.Computer system 20 is connected with hard disk 28 and magnetic disc 30, is deposited
View data and program are stored up, and is connected by high speed serialization connection 34 with an autonomous control system 32.
Control system 32 includes the one group of module interconnected by a backboard 32a, and the module includes CPU moulds
Group 36, the impulse generator module 38 being connected by serial connection (serial link) 40 with console 12.Control system 32 is led to
Cross the instruction that serial connection 40 receives the scanning sequence (scan sequence) performed the need for the operator.Pulse generation
The runtime component of device module 38, the scanning sequence that execution is specified, output data, for example：The meter of the radio-frequency pulse of radio-frequency transmissions
When, intensity, shape, the timing of radio frequency reception and the length of data acquisition window.Impulse generator module 38 is connected to a series of
Gradient amplifier system 42, for the duration of gradient pulse and shape for controlling to produce in (indicate) scanning process.Pulse
Generator module 38 can receive patient information from physiological acquisition controller 44, and the physiological acquisition controller 44 is by being connected to
Some different sensor collection signals of patient, for example, obtain ECG signal by the electrode with patient.Arteries and veins
Rush generator module 38 and be ultimately connected to scan room interface circuit 46, scan room interface circuit 46 receive with the state of an illness and magnetic resonance into
The signal produced as the related sensor of system.By scan room interface circuit 46, patient positioning system 48 receives instruction, mobile
Patient is scanned to specified location.
The gradient waveform that impulse generator module 38 is produced is applied to the gradient amplifier system 42 with Gx, Gy, Gz,
Each gradient amplifier excites a corresponding gradient coil in gradient coil set 50, produces for generating additional space coding letter
Number magnetic field gradient.Gradient coil set 50 is a part for magnetic assembly 52, and magnetic assembly 52 also includes polarized magnets 54 and body is penetrated
Frequency coil 56.The pulse that transceiver module 58 in control system 32 is produced is amplified by radio frequency amplifier 60, passes through transmission/reception
Switch 62 is coupled with radio-frequency coil 56.The signal that the atomic nucleus being excited in patient body is sent is perceived by radio-frequency coil 56
Arrive, preamplifier 64 is then transferred to by transmission/reception switch 62, the magnetic resonance signal of amplification passes through transceiver module 58
Acceptance division be demodulated, filter, digitized processing.Transmission/reception switch 62 can be by the signal of impulse generator module 38
Control, so that radio frequency amplifier 60 and radio-frequency coil 56 are electrically connected with the transmission mode, in the receiving mode, before electric connection
Put amplifier 64 and radio-frequency coil 56.Transmission/reception switch 62 can make single radio-frequency coil (such as surface coils) in hair
Used under the pattern penetrated and received.
The magnetic resonance signal that radio-frequency coil 56 is collected is digitized processing by transceiver module 58, is then communicated to control
Storage module 66 in system 32 processed.After the one group of original k- spatial data of acquisition of module 66 is stored, the end of scan.Original
K- spatial datas are rearranged into the corresponding single k- space data sets of reconstructed image, each k- spaces with each
Data group is input into array processor 68, carries out combining magnetic resonance signal after image reconstruction, forms one group of view data, image
Data are transferred to computer system 20 by serial connection 34, and are stored in storage device such as hard disk 28.Sent out with console 12
The instruction gone out is corresponding, and described image data can be got up with longer-term storage, for example, be stored on magnetic disc 30, or by image at
Reason device 22 is further processed and is sent to console 12, and is shown on display screen 16.
Fig. 2 is a kind of method that patient is positioned in magnetic resonance equipment of the present invention, and it includes：
S201, inputs the personal information of patient to obtain the manikin matched with patient.
In this step, the personal information of patient is input to computer system 20 by keyboard and/or other input equipments 13
It is interior, and shown on display screen 16.Wherein, the height of the personal information of patient including patient, body weight, the age, scanned position and
Patient is in direction of scanning intracavitary of Medical Devices etc..Pass through the personal information of inputted patient, in the computer system 20
Allot a human body model data for being adapted to the patient.Wherein, patient includes patient in the direction of the scanning intracavitary of Medical Devices
Headfirst or pin forward, prostrate or lie on the back, lie on the left side or right side is sleeping.
Manikin is the process of measurement in Medical Devices.The manikin of use requirement can be met mainly including following
Parameter：Stem length, head footpath enclose and illustrated the parameter for putting pose gesture.
S202, calculates the positional information at patient scan position.
S203, determines the positional information of target location.
In this step, the target location can input the target location by keyboard and/or other input equipments 13
Positional information, and shown on display screen 16.In the present embodiment, the target location for magnetic resonance equipment etc. center
Point.In other embodiments, the target location can also be the position that system has been set when just dispatching from the factory.
S204, controls scanning bed movement scanned position is moved into target location by control system.
In this step, target location is the isocenter point of magnetic resonance equipment.It is scanning bed to obtain in three directions
Current location, while according to the distance of the scanned position calculated to isocenter point, by scanning bed by portion's displacement to be scanned
Move isocenter point.In actual applications, technical solutions according to the invention have three kinds of embodiments.
Embodiment 1
Further referring to shown in Fig. 3, it is the first embodiment of the present invention, and one kind positions patient in magnetic resonance equipment
Method, it includes：
S301, inputs the personal information of patient to obtain the manikin matched with patient.
This step has been described above, and just no longer describes herein.
S302, patient is moved into the scanning chamber of Medical Devices.
In this step, can be by keyboard and/or other input equipments 13 by the scanning of scanning bed immigration Medical Devices
The position of chamber is input in computer system 20.It is scanning bed to automatically move to inputted position in mobile patient.At other
In embodiment, patient can also be moved into the scanning chamber of Medical Devices by manual mode.
S303, by positioning as scanning obtains the positioning picture of patient, the positional information of patient is determined by positioning picture.
In this step, obtained by Scan orientation picture.Before scanning imagery sequence, specific sequence scanning is first used, is produced
The standard reference image of cross section, coronal-plane and the sagittal plane of patient is given birth to, and calculates the positional information of scanned position.
For some privileged sites, the method for image procossing can be used to obtain the significant region at position to be scanned, and
The positional information of scanned position is used as using the positional information in the significant region.For example, when being scanned to head, with callosity
The position of body or fissure is defined, so as to calculate position to be scanned to the distance of target location.When being scanned to backbone, with
Regard backbone as in the position of cerebrospinal fluid；When being scanned to thorax abdomen, regard the position of thorax abdomen as with the position of lung and diaphram.
S304, determines the positional information of target location.
This step has been described above, and just no longer describes herein.
S305, controls scanning bed movement scanned position is moved into target location by control system.
In the present embodiment, the target location can be the isocenter point of magnetic resonance equipment.
Embodiment 2
Further referring to shown in Fig. 4, it is the second embodiment of the present invention, and one kind positions patient in magnetic resonance equipment
Method, it includes：
S401, inputs the personal information of patient to obtain the manikin matched with patient.
This step has been described above, and just no longer describes herein.
S402, determines the positional information of scanning bed relatively described target location.
In this step, due to it is scanning bed be to be connected with computer system 20, so scanning bed position is by computer system
20 moment were monitor, and scanning bed positional information can be obtained by computer system 20.
S403, patient is placed on scanning bed, determines positional information of the patient on scanning bed.
In this step, scanning bed to be provided with detent mechanism, the detent mechanism can be head coil, the head coil
Position is known with scanning bed position relationship.When patient lies in it is scanning bed upper when, put the head into head coil, due to
The position of head coil is known, it is possible to determine the position of the head of patient on scanning bed.
S404, the Mass Distribution of patient body is obtained by several pressure sensors being arranged on scanning bed, according to
The Mass Distribution of the patient body it is equivalent go out patient body girth diameter, optimize corresponding manikin, after the optimization
Manikin simultaneously combines the positional information calculation of scanning bed positional information and patient on scanning bed and goes out patient scan position
Positional information.
Further referring to shown in Fig. 5, in this step, pressure sensor 501 is generally evenly distributed on scanning bed 500.
By pressure sensor 501 obtain patient body Mass Distribution, according to the Mass Distribution of the patient body it is equivalent go out patient
The girth diameter of body, optimizes corresponding manikin.Due to the side of the scanning intracavitary of the scanned position, height and Medical Devices of patient
To it is known that position and scanning bed 500 position of the head of patient on scanning bed 500 are it is known that with reference to people simultaneously
Body Model can calculate the positional information at patient scan position.In the present embodiment, due to patient each several part girth diameter
It is known that can ensure that scanning bed displacement effectively, does not result in the extruding of patient.In other embodiments, pressure is passed
The position distributed degrees that sensor 501 can also be contacted according to patient with scanning bed 500 be in non-uniform Distribution, patient with it is scanning bed
The comparatively dense of the more position distribution of 500 contacts is a little.
The manikin that the manikin obtained by this step is obtained when can be to input patient information is optimized,
The positional information at such patient scan position for making to calculate is more accurate, scanned position is more accurately moved to target position
Put.
S405, determines the positional information of target location.
This step has been described above, and just no longer describes herein.
S406, controls scanning bed movement scanned position is moved into target location by control system.
This step has been described above, and just no longer describes herein.
Embodiment 3
Refer to shown in Fig. 6, it is the third embodiment of the present invention, a kind of method that patient is positioned in Medical Devices,
It includes：
S601, inputs the personal information of patient to obtain the manikin matched with patient.
This step has been described above, and just no longer describes herein.
S602, patient is moved into the scanning chamber of Medical Devices.
In this step, can manually or automatically mode by patient move into Medical Devices scanning chamber.
S603, determines scanning bed positional information.
This step has been described above, and just no longer describes herein.
S604, patient is placed on scanning bed, calculates patient in scanning bed positional information.
This step has been described above, and just no longer describes herein.
S605, by several range finders being arranged on the scanning cavity wall of Medical Devices, calculates patient's body
The girth diameter of body, and optimize corresponding manikin, according to manikin after the optimization and combine scanning bed positional information and
Positional information calculation of the patient on scanning bed goes out the information at patient scan position.
Further referring to shown in Fig. 7, in this step, in the X-axis of the scanning chamber 74 of the Medical Devices of magnetic resonance equipment
Direction is provided with the first range finder 71, second distance detector 72 and the 3rd range finder 73 being provided with Y-axis.The
Three range finders 73 are located on the perpendicular bisector of the line of the first range finder 71 and second distance detector 72.When patient moves
After the scanning chamber 74 for entering Medical Devices, the girth diameter of patient body can be calculated by range finder 71,72 and 73, and optimize
Corresponding manikin.According to the manikin and combine the position letter of scanning bed positional information and patient on scanning bed
Breath calculates the positional information at patient scan position.
The manikin that the manikin obtained by this step is obtained when can be to input patient information is optimized, such as
This makes the positional information at the patient scan position calculated more accurate, scanned position is more accurately moved to target position
Put.
Further, since patient surface is known apart from the distance of the inner surface of the scanning chamber 74 of Medical Devices, it is ensured that
When patient moves, it is to avoid patient is expressed on the inwall of scanning chamber 74 of Medical Devices.
Range finder 71,72 and 73 can using optics or acoustics principle of reflection, by range finder 71,72 and
73 signal source transmission signal simultaneously reflects until reception the undergone time, calculates detector to people's body surface by human body surface
The distance in face.The signal source of range finder 71,72 and 73 can be infrared, ultrasonic or laser etc..
S606, determines the positional information of target location.
This step has been described above, and just no longer describes herein.
S607, controls scanning bed movement scanned position is moved into target location by control system.
This step has been described above, and just no longer describes herein.
Refer to shown in Fig. 8, a kind of system that patient is positioned in Medical Devices, it includes building module 801, calculates mould
Block 802, determining module 803 and mobile module 804.
Module 801 is built, for building the manikin matched with patient.
Manikin is the process of measurement in Medical Devices, and it is provided by manufacturer.
Computing module 802, the positional information for calculating patient scan position according to manikin.
Determining module 803, the positional information for determining target location.
Mobile module 804, for controlling scanning bed movement by control system so that scanned position is moved into target position
Put.
The invention is not limited in magnetic resonance equipment.In other Medical Devices, such as ct apparatus or
Positron emission tomography equipment can also be applied.
One embodiment of the present invention is the foregoing is only, is not all of or unique embodiment, this area is common
Technical staff, by any equivalent change read description of the invention and taken technical solution of the present invention, is the present invention
Claim covered.
Claims (5)
1. a kind of method that patient is positioned in Medical Devices, it is characterised in that it includes：
The personal information of patient is inputted to obtain the manikin matched with patient；
Calculate the positional information at patient scan position；
Determine the positional information of target location；
Control scanning bed movement scanned position is moved into target location by control system；
The positional information for calculating patient scan position is obtained in the following way：
Determine scanning bed positional information；
Patient is placed on scanning bed, positional information of the patient on scanning bed is calculated；
The Mass Distribution of patient body is obtained by several pressure sensors being arranged on scanning bed, according to patient's body
The Mass Distribution of body it is equivalent go out patient body girth diameter, optimize corresponding manikin, according to manikin after the optimization simultaneously
Go out the positional information at patient scan position with reference to the positional information calculation of scanning bed positional information and patient on scanning bed.
2. the method for patient is positioned in Medical Devices as claimed in claim 1, it is characterised in that：The pressure sensor is
Be evenly distributed on it is described it is scanning bed above.
3. the method for patient is positioned in Medical Devices as claimed in claim 1, it is characterised in that：The pressure sensor is
Non-uniform Distribution it is described it is scanning bed above.
4. the method for patient is positioned in Medical Devices as claimed in claim 1, it is characterised in that：The target location is magnetic
The isocenter point of resonant device.
5. the method that patient is positioned in Medical Devices as described in any one of Claims 1-4, it is characterised in that：The people
Body Model includes stem length, head footpath and encloses and illustrate the parameter for putting pose gesture.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310055278.4A CN104000588B (en) | 2013-02-21 | 2013-02-21 | The method and system of patient is positioned in Medical Devices |
| CN201710208636.9A CN106963380B (en) | 2013-02-21 | 2013-02-21 | Method and system for positioning a patient in a medical device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310055278.4A CN104000588B (en) | 2013-02-21 | 2013-02-21 | The method and system of patient is positioned in Medical Devices |
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| CN201710208636.9A Division CN106963380B (en) | 2013-02-21 | 2013-02-21 | Method and system for positioning a patient in a medical device |
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| CN104000588A CN104000588A (en) | 2014-08-27 |
| CN104000588B true CN104000588B (en) | 2017-08-25 |
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| CN201710208636.9A Active CN106963380B (en) | 2013-02-21 | 2013-02-21 | Method and system for positioning a patient in a medical device |
| CN201310055278.4A Active CN104000588B (en) | 2013-02-21 | 2013-02-21 | The method and system of patient is positioned in Medical Devices |
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| DE10232681A1 (en) * | 2002-07-18 | 2004-01-29 | Siemens Ag | Method and device for positioning a patient in a medical diagnostic or therapeutic device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108175957A (en) * | 2018-01-22 | 2018-06-19 | 沈阳东软医疗系统有限公司 | The monitoring method and device of lesions position in a kind of radiotherapy |
| CN108175957B (en) * | 2018-01-22 | 2020-10-16 | 东软医疗系统股份有限公司 | Method and device for monitoring focus position in radiotherapy |
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| CN104000588A (en) | 2014-08-27 |
| CN106963380B (en) | 2020-06-02 |
| CN106963380A (en) | 2017-07-21 |
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