CN205758586U - A kind of Portable dynamic hart CT scan measuring and testing device - Google Patents
A kind of Portable dynamic hart CT scan measuring and testing device Download PDFInfo
- Publication number
- CN205758586U CN205758586U CN201620292965.7U CN201620292965U CN205758586U CN 205758586 U CN205758586 U CN 205758586U CN 201620292965 U CN201620292965 U CN 201620292965U CN 205758586 U CN205758586 U CN 205758586U
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- object stage
- control module
- actuating device
- detection bodies
- rotating shaft
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Abstract
A kind of portable heart CT scans measuring and testing device, including object stage, actuating device, control module, wireless communication module, control terminal and detection bodies；Detection bodies is arranged on object stage, and object stage is connected with actuating device, and actuating device drives object stage horizontal reciprocating to swing, and actuating device is connected with control module, and control module is connected with wireless communication module, and wireless communication module is connected with controlling terminal.Object stage places detection bodies, by controlling the hunting frequency of terminal profile detection bodies, control terminal and send control signal to control module by wireless communication module, control module calculates pulse frequency, pulse frequency is sent to pulse generator, and pulse generator drives actuating device to drive object stage to swing by the hunting frequency set.Ability, detection efficiency that this device volume is little, lightweight, easy to carry and transport, possess remote transmission controls are high, testing staff's radiation damage is little.
Description
Technical field
This utility model relates to a kind of for simulating dynamic heart, to complete Medical CT heart scanning three-dimensional reconstruction pattern
The measuring and testing device of calibration, belongs to ionizing radiation metering technical field.
Background technology
The sickness rate of China's coronary heart disease is continuously increased, and has had become as the important hidden danger threatening human life's safety.Crown
Stricture of artery and the early diagnosis of hardening and prevention, the key controlling and treating, be social problem the most in the urgent need to address.
Cardiac CT scan image reconstruction is the major way that coronary artery carries out detecting analyzing and diagnosing clinically.
CT scan technology is since year comes out, and people are devoted to study the improvement of image quality and scanning gantry rotation always
The raising of rotary speed, along with update, its image quality is continuously available improvement, it is achieved that dynamic scan and volume imaging,
But the rotary speed of frame governs the raising of dynamically discriminating ability always, until Siemens Company in 2005 is proposed double
Source so that the time that frame rotates a circle reaches 330ms, drastically increases the dynamically discriminating ability of CT, expands facing of CT
Bed range of application.Dynamically discriminating ability is the key factor affecting cardiac imaging quality, and dynamically discriminating ability is the highest, more can will transport
Dynamic heart " freezes " in a certain specific phase, thus overcomes the motion artifacts impact on medical diagnosis.
Also there is no the method for testing that can use for reference and corresponding testing tool both at home and abroad to Medical CT heart scanning Three-dimensional Gravity
Modeling formula carries out dynamic measuring detection.
Summary of the invention
The deficiency that this utility model exists for Medical CT heart scanning three-dimensional reconstruction pattern gauge check aspect, it is provided that one
Plant volume little, lightweight, it is simple to carrying and transport, possess remote transmission control ability, detection efficiency is high, and testing staff radiates damage
Hinder little Portable dynamic hart CT scan measuring and testing device.
Portable heart CT scan measuring and testing device of the present utility model, by the following technical solutions:
This device, including object stage, actuating device, control module, wireless communication module, control terminal and detection bodies；Inspection
Surveying body to be arranged on object stage, object stage is connected with actuating device, and actuating device drives object stage horizontal reciprocating to swing, and transmission fills
Putting and be connected with control module, control module is connected with wireless communication module, and wireless communication module is connected with controlling terminal.
Described detection bodies includes pedestal and differentiates test card, differentiates test card and is distributed in pedestal.Described resolution tests card
Being distributed in pedestal in grid window, each resolution test card thickness in one group of grid window unanimously and is equidistantly distributed.
The amplitude that described object stage horizontal reciprocating swings is 20mm.
Described actuating device includes that base, motor, rotating shaft and horizontal movement bar, motor, rotating shaft and horizontal movement bar are all pacified
Being contained on base, rotating shaft is connected with motor, with moving back and forth groove in rotating shaft, horizontal movement bar and rotating shaft moves back and forth groove
Being connected by connecting rod, the driver of motor is connected with the pulse generator in control module.
Described control module includes processor and pulse generator, and pulse generator is connected with processor.
Controlling terminal can be the control equipment that mobile phone, panel computer, PC computer etc. can connect wifi network.
Object stage places detection bodies, by controlling terminal profile detection bodies hunting frequency, controls terminal and pass through nothing
Line communication module sends control signal and calculates pulse frequency to control module, control module, pulse frequency is sent to pulse and sends out
Raw device, pulse generator is driven the motor in actuating device to press certain rotational speed, and is driven by rotating shaft and horizontal movement bar
Object stage is swung by the hunting frequency set.
This utility model is integrated, it is possible to drive detection bodies horizontal periodicity to swing, to simulate beating of heart
Effect, the periodicity of horizontal hunting arbitrarily regulates in the range of 0-300 beat/min, carries out cardiac three-dimensional reconstruction for Medical CT
Scanning, to complete the calibration to CT heart scanning three-dimensional reconstruction pattern.Have volume little, lightweight, easy to carry and transport, tool
Ability that standby remote transmission controls, the feature that detection efficiency is high, testing staff's radiation damage is little.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of this utility model portable heart CT scan gauge check test device.
Fig. 2 is the structural principle schematic diagram of actuating device in this utility model.
Fig. 3 is the sectional view of detection bodies in this utility model.
Fig. 4 is control procedural block diagram of the present utility model.
In figure: 1, control module；2, actuating device；3, wireless communication module；4, object stage；5, detection bodies；6, control eventually
End；7, rotating shaft；8, horizontal movement bar；9, motor；10, pedestal；11, test card is differentiated；12, cover plate.
Detailed description of the invention
Portable heart CT scan measuring and testing device of the present utility model, as it is shown in figure 1, include object stage 4, transmission dress
Put, control module 1, wireless communication module 3, control terminal 6 and detection bodies 5.Detection bodies 5 is arranged on object stage 4, object stage 4
It is connected with actuating device by horizontal movement bar 8.Actuating device is connected with control module 1.Control module 1 and wireless communication module
3 use RS232 communication mode to connect.Wireless communication module 3 is wirelessly connected with controlling terminal 6.Object stage 4 fills in transmission
Doing horizontal reciprocating under the drive put to swing, amplitude of fluctuation is 20mm.
Actuating device is used for driving object stage 4 and detection bodies thereon 5 horizontal reciprocating to swing, thus simulates beating of heart
Effect.The structure of actuating device is as in figure 2 it is shown, include base, motor 9, rotating shaft 7 and horizontal movement bar 8.Motor 9 is arranged on the end
On seat.Rotating shaft 7 is arranged on base by bearing and is connected with motor 9, and horizontal movement bar 8 is arranged on base by fairlead
On, can move horizontally in fairlead.With moving back and forth groove in rotating shaft 7, for the rotary motion of motor 9 is converted into level
The horizontal reciprocating movement of moving lever 8.Horizontal movement bar 8 is connected by connecting rod with the groove that moves back and forth in rotating shaft 7.Motor 9 drives
Rotating shaft 7 rotates, and the groove that moves back and forth in rotating shaft 7 drives horizontal movement bar 8 to move back and forth by connecting rod.Object stage 4 is transported with level
Lever 8 connects, and horizontal movement bar 8 drives object stage 4 and detection bodies thereon 5 reciprocally swinging.Four line two-phase mixtures selected by motor 9
The motor of formula, its moment is more than 1.2N.m.The driver of motor is connected with the pulse generator in control module 1,
Receiving each pulse signal that control module 1 is sent, stepper motor driver pushing motor 9 operates a fixing angle
Degree, (the half step work angle turned over that often makes a move is 0.9 °, during synchronizing is for the intrinsic step angle " 0.9 °/1.8 ° " of motor 9
1.8°)。
The structure of detection bodies 5, as it is shown on figure 3, include pedestal 10, differentiate test card 11 and cover plate 12, is provided with in pedestal 10
Loading the grid fenestra hole differentiating test card 11, the resolution test card 11 in one group of grid fenestra hole is equidistantly distributed, and each
Differentiating the consistency of thickness of test card 11, cover plate 12 is fixedly connected on pedestal 10 by screw.Pedestal 10 and cover plate 12 are in cylinder
Body, uses pmma material or other equivalent water material to make.Differentiate test card 11 to be made up of aluminium flake.
Control module 1 includes processor and pulse generator, and pulse generator is connected with processor.Control module 1 is used for
Receive the instruction of wireless communication module 3, change the speed of service of actuating device according to this instruction, thus reach to convert object stage 4
The purpose of hunting frequency.Processor uses 32 high speed ARM920T chips of low-power consumption, and 400MHz dominant frequency, real-time is good, and support is many
Task switches, and configures the very color digital screen of 3.5 cun of high-resolutions, exports resolution 320 × 240, use LED-backlit, use WINDOWS
CE5.0 CORE operating system, started less than 12 seconds.Pulse generator uses single-chip microcomputer.
Processor uses below equation to be calculated pulse frequency, the pulse frequency that will be obtained by RS232 communication mode
Being sent to pulse generator, pulse generator drives the motor 9 in actuating device to change velocity of rotation, thus changes object stage 4
And detection bodies 5 reciprocally swinging hunting frequency.
In formula:
F pulse frequency, unit Hz；
F hunting frequency, unit beat/min；
θ step angle, unit degree.
Wireless communication module 3 selects embedded WIFI to turn serial ports wireless transparent transport module, and this module is based on general string
The flush bonding module meeting network standard of line interface, built-in ICP/IP protocol stack, it is possible to realize user's serial ports, Ethernet, nothing
Any transparent translation between 3 interfaces of gauze (WIFI).
Controlling terminal 6 can be the control equipment that mobile phone, panel computer, PC computer etc. can connect wifi network.
As shown in Figure 4, the specific operation process of this utility model portable heart CT scan measuring and testing device is:
(1) starting power supply, control module 1 launches into control interface automatically；
(2) detection bodies 5 is placed；
(3) hunting frequency f is set by control terminal 6；
(4) control module 1 calculates pulse frequency F；
(5) pulse frequency being sent to pulse generator, pulse generator drives motor 9 to rotate by certain, and motor 9 passes through
Rotating shaft 7 and horizontal movement bar 8 driving objective table 4 are swung by hunting frequency f set.
Claims (5)
1. portable heart CT scans a measuring and testing device, including object stage, actuating device, control module, channel radio
Letter module, control terminal and detection bodies；It is characterized in that: detection bodies is arranged on object stage, and object stage is connected with actuating device, pass
Dynamic device drives object stage horizontal reciprocating to swing, and actuating device is connected with control module, and control module is with wireless communication module even
Connecing, wireless communication module is connected with controlling terminal；Described detection bodies includes pedestal and differentiates test card, differentiates test card and is distributed in
In pedestal.
The most according to claim 1, portable heart CT scans measuring and testing device, it is characterized in that: described resolution tests card
Being distributed in pedestal in grid window, each resolution test card thickness in one group of grid unanimously and is equidistantly distributed.
The most according to claim 1, portable heart CT scans measuring and testing device, it is characterized in that: described object stage level
The amplitude of reciprocally swinging is 20mm.
The most according to claim 1, portable heart CT scans measuring and testing device, it is characterized in that: described actuating device bag
Including base, motor, rotating shaft and horizontal movement bar, motor, rotating shaft and horizontal movement bar are installed on base, and rotating shaft is with motor even
Connecing, with moving back and forth groove in rotating shaft, horizontal movement bar is connected by connecting rod with the groove that moves back and forth in rotating shaft, the driving of motor
Device is connected with the pulse generator in control module.
The most according to claim 1, portable heart CT scans measuring and testing device, it is characterized in that: described control module bag
Including processor and pulse generator, pulse generator is connected with processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620292965.7U CN205758586U (en) | 2016-04-08 | 2016-04-08 | A kind of Portable dynamic hart CT scan measuring and testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620292965.7U CN205758586U (en) | 2016-04-08 | 2016-04-08 | A kind of Portable dynamic hart CT scan measuring and testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205758586U true CN205758586U (en) | 2016-12-07 |
Family
ID=57414460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620292965.7U Expired - Fee Related CN205758586U (en) | 2016-04-08 | 2016-04-08 | A kind of Portable dynamic hart CT scan measuring and testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205758586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105902278A (en) * | 2016-04-08 | 2016-08-31 | 山东省计量科学研究院 | Portable dynamic heart CT scanning metering detection device |
-
2016
- 2016-04-08 CN CN201620292965.7U patent/CN205758586U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105902278A (en) * | 2016-04-08 | 2016-08-31 | 山东省计量科学研究院 | Portable dynamic heart CT scanning metering detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20190408 |