CN201498132U - Teaching model of X-ray computed tomography equipment - Google Patents
Teaching model of X-ray computed tomography equipment Download PDFInfo
- Publication number
- CN201498132U CN201498132U CN2009203121820U CN200920312182U CN201498132U CN 201498132 U CN201498132 U CN 201498132U CN 2009203121820 U CN2009203121820 U CN 2009203121820U CN 200920312182 U CN200920312182 U CN 200920312182U CN 201498132 U CN201498132 U CN 201498132U
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Abstract
The utility model relates to a teaching model of X-ray computed tomography equipment and is characterized in that the teaching model comprises a scanning machine frame, a movable scanning bed and a control desk, wherein a rotating circular scanning frame is arranged inside the scanning machine frame and provided with a simulated X-ray tube and a simulated detector; the scanning bed is provided with a bed transmission mechanism used for driving the scanning bed to freely reciprocate and go in and out of the circular scanning frame; and the control desk is used for controlling the single-layer scanning operation and the multi-layer spiral scanning operation and is electrically connected with the simulated X-ray tube, the simulated detector and a circular scanning frame driving mechanism of the scanning machine frame and the bed transmission mechanism. The teaching model of the X-ray computed tomography equipment has the benefits that the teaching model has the advantages of simple structure, low manufacturing cost and multiple function, allows the students to practice and operate repeatedly to master the standard operating skills and lay the foundation for high-quality and reliable diagnostic imaging in the clinic, and is widely applied in the medical teaching field.
Description
Technical field
The utility model relates to a kind of medical image imaging device teaching mode, relates in particular to a kind of X ray computer body layer imaging device teaching mode.
Background technology
X ray computer body layer imaging device (CT) is to utilize a beam X-ray that certain skim of human body is scanned, measure X ray intensity with detector, by computing machine measurement result is handled, obtain in this layer each point to the absorption coefficient of X ray, the image of setting up this layer again carries out the image documentation equipment that the human body different parts is checked.Understand the structure and the principle of work of this equipment, select the best achievement in cinematography condition, skilled, this equipment of standard ground operation is the basic operating technical ability that this professional should possess.For the student is combined basic theoretical knowledge with the post professional skill, be implemented in the school real training of taking post, should be equipped with the X ray computer body layer imaging device of using for student's operation practice in the real training chamber, school, but because this imaging device belongs to complex structure, precision is high and expensive high-tech medical treatment detection device, can not be as the teaching practice apparatus of expendable use, and at present, also do not impart knowledge to students with X ray computer body layer imaging device on the market, therefore the teaching to this technical field brings inconvenience.
The utility model content
Fundamental purpose of the present utility model is at the problems referred to above, a kind of X ray computer body layer imaging device teaching mode of simple and easy cheapness of analogue simulation is provided, make the student between the learning period, can utilize this model repeatable operation exercise, with basic theory and practical application combination, grasp the technical ability that standard is skillfully operated this checkout equipment, for laying the foundation, improve teaching efficiency at the clinical high-quality reliable diagnostic image that provides.
The technical scheme that its technical matters that solves the utility model adopts is:
A kind of X ray computer body layer imaging device teaching mode is characterized in that it being to be made of scanning gantry, activity scanning bed and control desk; Be provided with the circular scanning frame of the rotation of band simulation X-ray tube and analog prober in the scanning gantry; Scanning bed being provided with can make it move back and forth the bed gear train that frees in and out the circular scanning frame; The control desk of control Single Slice Mode and multi-layer helical scan operation is electrically connected with simulation X-ray tube, analog prober, circular scanning frame driving mechanism and the bed gear train of scanning gantry respectively.
Described scanning bed bed surface and the lathe bed of comprising, described bed gear train mainly by bed drive motor, bed motor driving wheel, bed driving-belt, be arranged at the bed power wheel at lathe bed homonymy two ends respectively, the bed surface that is arranged at the slide rail outside of described connection bed surface by the fixedly connected slide track component of contiguous block and bed driving-belt, corresponding bed surface turnover shift motion extreme position advances limit switch and bed surface moves back the limited block that the corresponding described bed surface of limit switch and lathe bed inboard moves back the limit switch setting and constitutes; Bed surface and lathe bed are slidingly connected by the slide track component that is provided with therebetween.
Described scanning gantry is the housing shape cover frame that is provided with front and back panels, front panel central authorities are provided with the scanning holes for the turnover of activity scanning bed, the corresponding described scanning holes of described circular scanning frame is fixed on the scanning gantry perpendicular to the bed surface moving direction with anchor ring, described simulation X-ray tube and analog prober are separately positioned on circular scanning frame both sides along circular scanning frame diameter, described circular scanning frame driving mechanism is by the scanning support driving-belt that is sleeved on the circular scanning frame, and the scanning support drive motor of scanning support motor driving wheel and connection thereof constitutes.
Described control desk mainly comprises the control panel that is provided with action button and controls described scanning gantry and control circuit board that bed surface carries out Single Slice Mode operation and multi-layer helical scan operation.
The beneficial effects of the utility model are: replace regular equipment with analogy model, for the student provides practical teaching practice apparatus, compare with formal equipment, adopt the simulation X-ray tube to replace formal X-ray tube, analog prober replaces formal detector, replace complicated working control circuit with simple control circuit, simple and easy mechanical transmission mechanism has replaced accurate mechanical transmission mechanism, and saved expensive imaging system, the model volume-diminished, parts such as motor adopt the miniwatt parts, and are simple in structure, cost of manufacture is low, and main operating function is complete, can make the student repeat operation, on top of the operative skill of standard, for taking a firm foundation, suit to promote in the medical teaching industry at the clinical high-quality reliable diagnostic image that provides.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model;
Fig. 2 is the rear view of scanning gantry among Fig. 1;
Fig. 3 is the right pseudosection of scanning gantry among Fig. 1;
Fig. 4 is the amplification view of bed body among Fig. 1;
Fig. 5 is the scanning bed right view of Fig. 1;
Fig. 6 is a control principle block scheme of the present utility model.
Among the figure: 1 scanning gantry, 11 turnover scanning holes, 12 circular scanning framves, 13 analog probers, 131 power wheels, 14 bracing frames, 15 scanning support driving-belts, 16 simulation X-ray tubes, 17 scanning support drive motor, 18 scanning support power wheels, 19 sockets, 19-1 socket, 101 front panels, 102 rear panels, 2 is scanning bed, the 20A cable, the 20B cable, 21 head rests, 22 bed surfaces, 23 lathe beds, the 231a bed surface advances limit switch, and the 231b bed surface moves back limit switch, 232 limited blocks, 24 contiguous blocks, 25 power wheels, 26 driving-belts, 27 drive motor, 28 slide rails, 29 tracks, 30 motor driving wheels, 3 control desks, 31 control panels, 311 bed surfaces advance button, and 312 bed surfaces move back button, 313 Single Slice Mode buttons, 314 multi-layer helical scan button, 32 control circuit boards.
Below in conjunction with drawings and Examples the utility model is described in detail.
Embodiment
Fig. 1～Fig. 6 illustrates a kind of X ray computer body layer imaging device teaching mode, it is characterized in that it being to be made of scanning gantry 1, activity scanning bed 2 and control desk 3; Be provided with the circular scanning frame 12 of the rotation of band simulation X-ray tube 16 and analog prober 13 in the scanning gantry 1; Scanning bed 2 be provided with can make its move back and forth free in and out circular scanning frame 12 the bed gear train; The control desk 3 of control Single Slice Mode and multi-layer helical scan operation is electrically connected with simulation X-ray tube 16, analog prober 13, circular scanning frame driving mechanism and the bed gear train of scanning gantry 1 respectively.
Above-mentioned scanning bed 2 comprise bed surface 22 and lathe bed 23, and bed surface 22 is provided with head rest 21.Above-mentioned bed gear train is mainly by bed drive motor 27, bed motor driving wheel 30, bed driving-belt 26, be arranged at the bed power wheel 25 at lathe bed homonymy two ends respectively, by contiguous block 24 and bed driving-belt 26 slide track component of fixedlying connected, the bed surface that corresponding bed surface 22 turnover shift motion extreme positions are arranged at slide rail 28 outsides of above-mentioned connection bed surface 22 advances limit switch 231a and bed surface moves back limit switch 231b and the inboard corresponding described bed surface of lathe bed moves back limited block 232 formations that limit switch 231b is provided with; Bed surface 22 and lathe bed 23 are slidingly connected by the slide track component that is provided with therebetween.Above-mentioned slide track component is the commercially available prod, is made of slide rail 28 and track 29.In the practical application, bed surface 21 fixedly connected slide rails 28, lathe bed 23 fixedly connected tracks 29.As shown in the figure, bed drive motor 27 drives two power wheels 25 by a motor driving wheel 30 through bed driving-belt 26 and rotates, and then drives bed surface 22 generation horizontal shifts by contiguous block 24.
Above-mentioned scanning gantry 1 is for being provided with the housing shape cover frame of front panel 101 and rear panel 102, and front panel 101 adopts the organic glass panels.Front panel 101 central authorities are provided with the scanning holes 11 for 2 turnover of activity scanning bed, above-mentioned circular scanning frame 12 corresponding above-mentioned scanning holes 11 are fixed on the scanning gantry 1 perpendicular to bed surface 21 moving directions with anchor ring, its back side is provided with the power wheel 131 that drives its rotation, above-mentioned simulation X-ray tube 16 and analog prober 13 are separately positioned on circular scanning frame both sides along circular scanning frame 12 diameters, circular scanning frame driving mechanism is by the scanning support driving-belt 15 that is sleeved on the circular scanning frame 12, and scanning support motor driving wheel 18 and the scanning support drive motor 17 that connects thereof constitute.When carrying out scan operation, drive circular scanning frame 12 by scanning support drive motor 17 and scanning support motor driving wheel 18 by scanning support driving-belt 15 and rotate.
In this example, above-mentioned simulation X-ray tube 16 adopts commercially available tungsten filament lamp for general service; Analog prober 13 is the light emitting diode of a device on segment; Limit switch adopts microswitch; Scanning bed 2 driving-belt 26 has adopted chain, and bed power wheel 25 and bed motor driving wheel 30 have adopted sprocket wheel; Scanning support driving-belt 15 has adopted belt, and scanning support motor driving wheel 18 and power wheel 131 are belt pulley.
Above-mentioned control desk 3 mainly comprises the control panel 31 that is provided with action button and controls described scanning gantry 1 and control circuit board 32 that bed surface 22 carries out Single Slice Mode operation and multi-layer helical scan operation.Control panel 31 is provided with bed surface and advances button 311, and bed surface moves back button 312, Single Slice Mode button 313 and multi-layer helical scan button 314.Control desk 3 is connected to scanning gantry socket 19 and bed socket 191 by cable 20A, 20B respectively.As shown in Figure 6, comprise Single Slice Mode bed surface control circuit on the control circuit board 31, Single Slice Mode frame control circuit, multi-layer helical scanning bed surface control circuit and multi-layer helical scanning gantry control circuit, each functional circuit is respectively applied for the mobile of control Single Slice Mode and multi-layer helical scanning mode bed surface 22 down, the rotation of circular scanning frame 12 and simulation X-ray tube are bulb, analog prober is the synchronous light-emitting of light emitting diode, and is further by the control bed surface in the utility model, circular scanning frame 12 turn around and rotate during operate with the discontinuous action simulation Single Slice Mode of the rotation synchronous light-emitting of light emitting diode and the circular scanning frame of expression analog prober 13 as the bulb of simulation X-ray tube 16; By advance the continuously synchronous continuous luminous continous way action simulation multi-layer helical scan operation of rotation of circular scanning frame 12 continuous rotations simultaneously and bulb and light emitting diode and circular scanning frame of control bed surface.
Above-mentioned scan operation control circuit adopts conventional circuit for controlling motor to realize, by power supply, control knob, relay, microswitch, a tandem circuit gated sweep frame drive motor such as delay circuit and a bed drive motor can be set suitable bed surface translational speed and circular scanning frame rotation sweep speed, and realize that bed surface moves, the synchronous operation of circular scanning frame rotation sweep and the synchronous light-emitting of bulb and light emitting diode.
Operating process of the present utility model and principle are as follows:
Single Slice Mode: beginning, scanning bed 2 are in initial position, and promptly bed surface 22 is in bed surface and moves back extreme position, and at this moment, bed surface moves back limit switch 231b and contacts with limited block 232.Hand advances button 311 by bed surface, bed drive motor 27 powers up and is rotated in the forward, bed motor driving wheel 30 drives bed power wheel 25 by chain and rotates, move forward by contiguous block 24 slide rails 28, the bed surface 22 that is connected with slide rail 28 is moved forward enter scanning holes 11, after entering the appropriate location, press Single Slice Mode button 313, then Single Slice Mode bed surface control circuit and Single Slice Mode frame control circuit work, the beginning X-ray scanning, at this moment, scanning support drive motor 17 is by scanning support power wheel 18, power wheel 131, scanning support driving-belt 15 drives 12 rotations of circular scanning frame, make as the bulb of simulation X-ray tube 11 and as the light emitting diode of analog prober 13 and do the synchronous scanning operation, simultaneously, bulb, light emitting diode is shinny, after having swept one deck, bed surface 22 moved ahead for second step automatically, and bulb and light emitting diode carry out second layer synchronous scanning, bulb with circular scanning frame 12, light emitting diode is shinny; Go round and begin again, finish Multi Slice Mode, generally can be provided with 8 layers, when finishing the scanning of last one deck, bed surface advances limit switch 231a and collides with limited block 232, limit switch 231a closure, make a drive motor 27 outages by control relay circuit, scanning bed stopping, circular scanning frame 12 stops the rotation simultaneously, bulb, light emitting diode extinguish, and Single Slice Mode finishes.Press bed surface and move back button 312, a drive motor 27 is oppositely powered up, bed surface 22 withdraws from scanning holes 11, moves back 232 collisions of limit switch 231b and limited block and closed until bed surface, makes a drive motor 27 outages, and the scanning bed original position of getting back to stops.
Multi-layer helical scanning: initial state is the same, when advancing button 311 pressing bed surface, after making bed surface 22 move into scanning holes 11 appropriate locations, press multi-layer helical scan button 314, then multi-layer helical scanning bed surface control circuit and the work of multi-layer helical scanning gantry control circuit, this moment, bed drive motor 27 and scanning support drive motor 17 powered up simultaneously, rotate continuously with circular scanning frame 12 at bulb and light emitting diode, bulb, optical diode is shinny when carrying out continuous sweep, bed surface 22 continuous translation one segment distances carry out multi-layer helical scanning, when bed surface advances limit switch 231a and limited block 232 collisions, limit switch 231a closure, make a drive motor 27 outages by control relay circuit, bed surface 22 stops reach, and circular scanning frame 12 stops the rotation simultaneously, bulb, light emitting diode extinguishes, and spiral scan finishes.Hand moves back button 312 by bed surface, and bed surface 22 withdraws from scanning holes 11, moves back 232 collisions of limit switch 231b and limited block and closed until bed surface, makes a drive motor 27 outages, and the scanning bed original position of getting back to stops.
Claims (4)
1. an X ray computer body layer imaging device teaching mode is characterized in that it being to be made of scanning gantry, activity scanning bed and control desk; Be provided with the circular scanning frame of the rotation of band simulation X-ray tube and analog prober in the scanning gantry; Scanning bed being provided with can make it move back and forth the bed gear train that frees in and out the circular scanning frame; The control desk of control Single Slice Mode and multi-layer helical scan operation is electrically connected with simulation X-ray tube, analog prober, circular scanning frame driving mechanism and the bed gear train of scanning gantry respectively.
2. X ray computer body layer imaging device teaching mode according to claim 1, it is characterized in that described scanning bed bed surface and the lathe bed of comprising, described bed gear train is mainly by the bed drive motor, the bed motor driving wheel, the bed driving-belt, be arranged at the bed power wheel at lathe bed homonymy two ends respectively, by contiguous block and the bed driving-belt slide track component of fixedlying connected, the bed surface that corresponding bed surface turnover shift motion extreme position is arranged at the slide rail outside of described connection bed surface advances limit switch and bed surface and moves back limit switch and the inboard corresponding described bed surface of lathe bed and move back the limited block that limit switch is provided with and constitute; Bed surface and lathe bed are slidingly connected by the slide track component that is provided with therebetween.
3. X ray computer body layer imaging device teaching mode according to claim 1, it is characterized in that described scanning gantry is for before being provided with, the housing shape cover frame of rear panel, front panel central authorities are provided with the scanning holes for the turnover of activity scanning bed, the corresponding described scanning holes of described circular scanning frame is fixed on the scanning gantry perpendicular to the bed surface moving direction with anchor ring, described simulation X-ray tube and analog prober are separately positioned on circular scanning frame both sides along circular scanning frame diameter, described circular scanning frame driving mechanism is by the scanning support driving-belt that is sleeved on the circular scanning frame, and the scanning support drive motor of scanning support motor driving wheel and connection thereof constitutes.
4. according to claim 1,2 or 3 described X ray computer body layer imaging device teaching modes, it is characterized in that described control desk mainly comprises the control panel that is provided with action button and controls described scanning gantry and control circuit board that bed surface carries out Single Slice Mode operation and multi-layer helical scan operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203121820U CN201498132U (en) | 2009-10-10 | 2009-10-10 | Teaching model of X-ray computed tomography equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203121820U CN201498132U (en) | 2009-10-10 | 2009-10-10 | Teaching model of X-ray computed tomography equipment |
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| Publication Number | Publication Date |
|---|---|
| CN201498132U true CN201498132U (en) | 2010-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203121820U Expired - Fee Related CN201498132U (en) | 2009-10-10 | 2009-10-10 | Teaching model of X-ray computed tomography equipment |
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| Country | Link |
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| CN (1) | CN201498132U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103300919A (en) * | 2012-03-09 | 2013-09-18 | 西门子公司 | Positioning assist device for rack |
| CN103906471A (en) * | 2012-04-11 | 2014-07-02 | 株式会社东芝 | X-ray ct device |
| CN105852862A (en) * | 2016-03-24 | 2016-08-17 | 吉林大学 | Ultrahigh-field-intensity intraoperative magnetic resonance scanning preparation device |
| CN109637248A (en) * | 2019-01-02 | 2019-04-16 | 上海粲高教育设备有限公司 | A kind of CT machine analog machine and analogy method convenient for teaching |
-
2009
- 2009-10-10 CN CN2009203121820U patent/CN201498132U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103300919A (en) * | 2012-03-09 | 2013-09-18 | 西门子公司 | Positioning assist device for rack |
| CN103906471A (en) * | 2012-04-11 | 2014-07-02 | 株式会社东芝 | X-ray ct device |
| US9521981B2 (en) | 2012-04-11 | 2016-12-20 | Toshiba Medical Systems Corporation | X-ray CT system |
| CN105852862A (en) * | 2016-03-24 | 2016-08-17 | 吉林大学 | Ultrahigh-field-intensity intraoperative magnetic resonance scanning preparation device |
| CN105852862B (en) * | 2016-03-24 | 2018-10-26 | 吉林大学 | Superelevation field strength intraoperative MRI scans preparation device |
| CN109637248A (en) * | 2019-01-02 | 2019-04-16 | 上海粲高教育设备有限公司 | A kind of CT machine analog machine and analogy method convenient for teaching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20121010 |