CN104548371A - Human body breathing motion simulation device - Google Patents
Human body breathing motion simulation device Download PDFInfo
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- CN104548371A CN104548371A CN201410821504.XA CN201410821504A CN104548371A CN 104548371 A CN104548371 A CN 104548371A CN 201410821504 A CN201410821504 A CN 201410821504A CN 104548371 A CN104548371 A CN 104548371A
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- human body
- slide unit
- fixedly connected
- chest wall
- motion simulator
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- 238000004088 simulation Methods 0.000 title claims abstract description 32
- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 30
- 206010028980 Neoplasm Diseases 0.000 claims abstract description 33
- 210000000779 thoracic wall Anatomy 0.000 claims abstract description 30
- 238000013016 damping Methods 0.000 claims description 20
- 238000001959 radiotherapy Methods 0.000 abstract description 9
- 230000000241 respiratory effect Effects 0.000 abstract description 7
- 238000011160 research Methods 0.000 abstract description 5
- 238000012795 verification Methods 0.000 abstract description 3
- 238000001727 in vivo Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003439 radiotherapeutic effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 230000010247 heart contraction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008855 peristalsis Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Radiation-Therapy Devices (AREA)
Abstract
The invention discloses a human body respiratory motion simulation device, which comprises a base platform, an X-direction driving sliding table, a Y-direction driving sliding table, a Z-direction driving sliding table, a right-angle connecting rod, a chest wall motion simulation table and a simulated tumor ball, wherein the X-direction driving sliding table is fixed on the base platform; the three-dimensional motion model has the advantages that the three-dimensional motion of the relevance of the chest wall and the internal tumor during respiration of a human body is reproduced, and a more accurate motion model and a verification tool are provided for the respiratory tracking research of tumor radiotherapy so as to be used as a medical teaching or scientific research instrument.
Description
Technical field
The invention belongs to medical apparatus and instruments secondary analog device field, be specifically related to a kind of human body respiration motion simulator towards accurate radiotherapy experimentation.
Background technology
Radiotherapy is the excellent approach of noinvasive, fast treating tumor, in recent years, the accurate radiation therapy technology that image guides becomes the development trend of tumour radiotherapy, obtain the image of target area by CT, X-ray etc. and carry out accuracy registration, substantially increasing the accuracy of location and dose delivery in radiotherapy.
But the most Organ and tissues in human body splanchnocoel are not actionless, breathing, heart beating and gastrointestinal peristalsis all can cause the transport motion of splanchnocoel tumor, this brings difficulty to the precise positioning of tumor target, continuous sweep target area can obtain the exact position of tumor, but can cause radiohazard to human body.Early stage solution reduces the interference of breathing tumor-localizing by initiatively hold one's breath and respiration gate control etc., all because requiring physical signs of patient high, location not accurately to fail to obtain sustainable development, therefore studying splanchnocoel body surface and the characteristics of motion of in-vivo tumour and also setting up that to contact be solve tumor accurately to locate the best means of navigating with radiotherapy.
Human body respiration motion simulator reproduces the motion of splanchnocoel body surface and in-vivo tumour by motion, thus serves data acquisition and modelling verification.Existing human body respiration motion simulator has the driving simulator of straight line slide unit, high simulated humanbody simulator etc.But the driving simulator of straight line slide unit, the two dimensional motion can only simulating thoracic wall had, the three-dimensional motion can simulating thoracic wall had but associating of chest wall movement and tumor motion cannot be realized.High simulated humanbody simulator is due to internal structure complexity, and inconvenience directly obtains the movement locus signal of internal tumours.
Therefore be necessary a kind of novel thoracic wall with three-dimensional motion of exploitation and internal tumours motion simulator, and motion between the two having relatedness, providing motion model more accurately for breathing follow-up study.
Summary of the invention
The object of the invention is to provide a kind of human body respiration motion simulator, the relatedness three-dimensional motion of thoracic wall and internal tumours during reproduction human body respiration, motion model and verification tool more is accurately provided for solving tumor radiotherapy breathing follow-up study, using as medical treatment or scientific research demonstrating apparatus, and verify the radiotherapeutic accurate positioning action that respiration motion compensation guides for image.
Technical scheme of the present invention is: a kind of human body respiration motion simulator, comprise base platform, this human body respiration motion simulator also comprises and is fixed on X in described base platform to driving slide unit, slide unit is driven to the Y-direction driving slide unit drive end to be fixedly connected with described X, the Z-direction driving slide unit drive end to be fixedly connected with described Y-direction drives slide unit, the right angle connecting rod that one end and described Z-direction drive slide unit drive end to be fixedly connected with, the chest wall movement simulation table be fixedly connected with the described right angle connecting rod other end, and simulation tumor spheroid, the top of described simulation tumor spheroid, bottom respectively correspondence is connected with spring damping one, spring damping two, wherein said spring damping one is fixedly connected with bottom described chest wall movement simulation table, described spring damping two is fixedly connected with described base platform.
As preferred technical scheme, described chest wall movement simulation table is provided with the reflective ball for gathering described chest wall movement simulation table current position signal.
As preferred technical scheme, described X drives slide unit, described Z-direction to drive slide unit to include ball-screw to driving slide unit, described Y-direction, and for driving the motor of described ball screw turns.
As preferred technical scheme, described human body respiration motion simulator also comprises control device, and described control device comprises the microcontroller be electrically connected with described motor, and the power supply changeover device be electrically connected with described microcontroller and described motor.
As preferred technical scheme, described spring damping one is fixedly connected with bottom described chest wall movement simulation table by securing member one.
As preferred technical scheme, described spring damping two-way is crossed securing member two and is fixedly connected with described base platform.
Advantage of the present invention is: not only structure is simple, and overcome the defect of prior art, make up the deficiency of two dimension, the driving simulator of 3 d-line slide unit, the relatedness three-dimensional motion of thoracic wall and internal tumours during reproduction human body respiration, simultaneously simple to operation, breathe follow-up study for solving tumor radiotherapy motion model more is accurately provided, using as medical teaching or scientific research apparatus, and verify the radiotherapeutic accurate positioning action that respiration motion compensation guides for image.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the structural perspective of human body respiratory movement analog of the present invention;
Fig. 2 is the structural front view of human body respiratory movement analog of the present invention;
Wherein: 1 base platform, 2X is to driving slide unit, and 3Y is to driving slide unit, and 4Z is to driving slide unit, 5 right angle connecting rods, 6 chest wall movement simulation table, 7 simulation tumor spheroids, 8 spring damping one, 9 spring dampings two, 10 securing member one, 11 securing member two, 12 ball-screws, 13 motors.
Detailed description of the invention
Embodiment: with reference to Fig. 1, shown in Fig. 2, a kind of human body respiration motion simulator, comprise base platform 1, be fixed on X in described base platform 1 to driving slide unit 2, slide unit 3 is driven to the Y-direction driving slide unit 2 drive end to be fixedly connected with described X, the Z-direction driving slide unit 3 drive end to be fixedly connected with described Y-direction drives slide unit 4, the right angle connecting rod 5 that one end and described Z-direction drive slide unit 4 drive end to be fixedly connected with, the chest wall movement simulation table 6 be fixedly connected with described right angle connecting rod 5 other end, and simulate tumor spheroid 7 and control device (figure does not draw), the top of this simulation tumor spheroid 7, bottom respectively correspondence is connected with spring damping 1, spring damping 29, wherein said spring damping 1 is fixedly connected with bottom described chest wall movement simulation table 6 by securing member 1, described spring damping 29 is fixedly connected with described base platform 1 by securing member 2 11, this chest wall movement simulation table 6 is provided with the reflective ball (figure does not draw) for gathering described chest wall movement simulation table 6 current position signal, this reflective ball follows the trail of the objective as NDI optical motion capture equipment, the movement locus of continuous record chest wall movement simulation table 6.
X of the present invention is to driving slide unit 2, Y-direction drives slide unit 3, Z-direction drives slide unit 4 to include ball-screw 12, and the motor 13 for driving described ball-screw 12 to rotate, described control device comprises the microcontroller be electrically connected with described motor 13, and the power supply changeover device (220V alternating current being converted to the unidirectional current for microcontroller and motor) to be electrically connected with described microcontroller and described motor 13, this microcontroller receives the instruction of host computer by communication interface modules, and its solution is counted as the motion control signal of motor 13, eventually through ball-screw 12, the rotary motion of motor 13 is converted to X, Y, the rectilinear motion of Z-direction, its precision of rectilinear motion is 0.033mm.
Host computer of the present invention can be desktop computer or notebook computer, after real human body body surface respiratory movement track in a period of time in data base is loaded into, decompose and obtain any real-time coordinates of body surface, in this, as the movement instruction of human body respiration motion simulator, also Mathematical Modeling Methods can be adopted, simulation draws a series of rule or erratic body surface respiratory movement track, as the movement instruction of human body respiration motion simulator.
Concrete principle of the present invention is as follows:
By X to driving slide unit 2, Y-direction drives slide unit 3, Z-direction drives slide unit 4 to synthesize the 3 D motion trace of chest wall movement simulation table 6, chest wall movement simulation table 6 is with the lost motion of dynamic simulated tumor spheroid 7 by spring damping 1 and spring damping 29, for the curve movement of simulation tumor spheroid 7, its phase place lags behind the curve movement of chest wall movement simulation table 6, its amplitude also decays to some extent, and maintain the reciprocating motion of concussion, the related law of thoracic wall body surface and in-vivo tumour motion when meeting real human body respiratory movement, simulate the three-dimensional motion of Human Chest Wall and in-vivo tumour thus, and make both have dependency, for the follow-up research carrying out body surface and tumor motion rule provides one more close to real analog, the Position Design simultaneously simulating tumor spheroid 7 is open, the synchronous acquisition of convenient chest wall movement simulation table 6 and simulation tumor spheroid 7 motor message.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to spirit of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (6)
1. a human body respiration motion simulator, comprise base platform (1), it is characterized in that, this human body respiration motion simulator also comprises and is fixed on X in described base platform (1) to driving slide unit (2), slide unit (3) is driven to the Y-direction driving slide unit (2) drive end to be fixedly connected with described X, the Z-direction driving slide unit (3) drive end to be fixedly connected with described Y-direction drives slide unit (4), the right angle connecting rod (5) that one end and described Z-direction drive slide unit (4) drive end to be fixedly connected with, the chest wall movement simulation table (6) be fixedly connected with described right angle connecting rod (5) other end, and simulation tumor spheroid (7), the top of described simulation tumor spheroid (7), bottom respectively correspondence is connected with spring damping one (8), spring damping two (9), wherein said spring damping one (8) is fixedly connected with described chest wall movement simulation table (6) bottom, described spring damping two (9) is fixedly connected with described base platform (1).
2. a kind of human body respiration motion simulator according to claim 1, is characterized in that, described chest wall movement simulation table (6) is provided with the reflective ball for gathering described chest wall movement simulation table (6) current position signal.
3. a kind of human body respiration motion simulator according to claim 1, it is characterized in that, described X drives slide unit (3), described Z-direction to drive slide unit (4) to include ball-screw (12) to driving slide unit (2), described Y-direction, and the motor (13) for driving described ball-screw (12) to rotate.
4. a kind of human body respiration motion simulator according to claim 3, it is characterized in that, described human body respiration motion simulator also comprises control device, described control device comprises the microcontroller be electrically connected with described motor (13), and the power supply changeover device be electrically connected with described microcontroller and described motor (13).
5. a kind of human body respiration motion simulator according to claim 1, is characterized in that, described spring damping one (8) is fixedly connected with described chest wall movement simulation table (6) bottom by securing member one (10).
6. a kind of human body respiration motion simulator according to claim 1, is characterized in that, described spring damping two (9) is fixedly connected with described base platform (1) by securing member two (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410821504.XA CN104548371B (en) | 2014-12-25 | 2014-12-25 | Human body breathing motion simulation device |
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| CN201410821504.XA CN104548371B (en) | 2014-12-25 | 2014-12-25 | Human body breathing motion simulation device |
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| CN104548371A true CN104548371A (en) | 2015-04-29 |
| CN104548371B CN104548371B (en) | 2017-01-11 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105303945A (en) * | 2015-11-04 | 2016-02-03 | 苏州大学 | Human body pleuroperitoneal cavity three-dimensional respiratory motion simulation device |
| CN106110519A (en) * | 2016-07-12 | 2016-11-16 | 广东省中医院 | Respiratory movement platform for the checking of 4D radiotherapy planning |
| CN106128263A (en) * | 2016-06-23 | 2016-11-16 | 思澜科技（成都）有限公司 | Body moves analog systems and control method thereof |
| CN107019852A (en) * | 2017-03-14 | 2017-08-08 | 苏州大学 | Simulate the tracks of device of human lung's tumor motion |
| CN110639134A (en) * | 2019-09-30 | 2020-01-03 | 秦皇岛市第一医院 | Ultrasonic probe adjusting device, ultrasonic probe adjusting method and transcranial nerve stimulator |
| CN113974577A (en) * | 2021-12-31 | 2022-01-28 | 南京阳图医疗科技有限公司 | Performance detection device of multi-guide sleep monitor |
| CN114376840A (en) * | 2021-12-24 | 2022-04-22 | 北京大学第三医院 | Two-degree-of-freedom simulated breathing platform and control method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2632583C (en) * | 2007-05-29 | 2017-03-28 | Mcgill University | Deformable phantom apparatus |
| CN202761291U (en) * | 2012-01-16 | 2013-03-06 | 吴开良 | Experimental organic three-dimensional movement simulation instrument |
| CN202715139U (en) * | 2012-08-23 | 2013-02-06 | 徐子海 | Device for simulating tumour movement effected by breathing |
| CN203090271U (en) * | 2013-03-01 | 2013-07-31 | 山东师范大学 | Medical three-dimensional simulated motion platform |
| CN203790448U (en) * | 2014-03-12 | 2014-08-27 | 徐子海 | Die for head, neck, thorax and abdomen tumor radiotherapy simulation and detection structure |
| CN204379991U (en) * | 2014-12-25 | 2015-06-10 | 苏州大学 | Human body breathing motion simulation device |
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2014
- 2014-12-25 CN CN201410821504.XA patent/CN104548371B/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105303945A (en) * | 2015-11-04 | 2016-02-03 | 苏州大学 | Human body pleuroperitoneal cavity three-dimensional respiratory motion simulation device |
| CN105303945B (en) * | 2015-11-04 | 2017-09-01 | 苏州大学 | Human body pleuroperitoneal cavity three-dimensional respiratory motion simulation device |
| CN106128263A (en) * | 2016-06-23 | 2016-11-16 | 思澜科技（成都）有限公司 | Body moves analog systems and control method thereof |
| CN106128263B (en) * | 2016-06-23 | 2019-08-13 | 思澜科技（成都）有限公司 | Body moves simulation system |
| CN106110519A (en) * | 2016-07-12 | 2016-11-16 | 广东省中医院 | Respiratory movement platform for the checking of 4D radiotherapy planning |
| CN107019852A (en) * | 2017-03-14 | 2017-08-08 | 苏州大学 | Simulate the tracks of device of human lung's tumor motion |
| CN107019852B (en) * | 2017-03-14 | 2020-01-31 | 苏州大学 | Tracking device for simulating human lung tumor movement |
| CN110639134A (en) * | 2019-09-30 | 2020-01-03 | 秦皇岛市第一医院 | Ultrasonic probe adjusting device, ultrasonic probe adjusting method and transcranial nerve stimulator |
| CN114376840A (en) * | 2021-12-24 | 2022-04-22 | 北京大学第三医院 | Two-degree-of-freedom simulated breathing platform and control method thereof |
| CN114376840B (en) * | 2021-12-24 | 2023-10-13 | 北京大学第三医院 | Two-degree-of-freedom simulated respiration platform and control method thereof |
| CN113974577A (en) * | 2021-12-31 | 2022-01-28 | 南京阳图医疗科技有限公司 | Performance detection device of multi-guide sleep monitor |
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| CN104548371B (en) | 2017-01-11 |
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