CN201379592Y - Eyeball ultrasonic tridimensional imaging device - Google Patents
Eyeball ultrasonic tridimensional imaging device Download PDFInfo
- Publication number
- CN201379592Y CN201379592Y CN200920117171U CN200920117171U CN201379592Y CN 201379592 Y CN201379592 Y CN 201379592Y CN 200920117171 U CN200920117171 U CN 200920117171U CN 200920117171 U CN200920117171 U CN 200920117171U CN 201379592 Y CN201379592 Y CN 201379592Y
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- motor
- ultrasonic
- lifting screw
- eyeball
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Abstract
The utility model provides an eyeball ultrasonic tridimensional imaging device, which comprises a vertical lifting screw bolt, a horizontal lifting screw bolt, a step motor, a probe fixer, a power supply, a motor driver, a power supply plug, a control signal wire and a control collecting PC, the vertical lifting screw bolt and the horizontal lifting screw bolt of the device are connected across, the step motor is installed on the front end of the horizontal lifting screw bolt, the probe fixer is connected with the step motor, the step motor is connected with the motor driver, the power supply is connected with the motor driver, and the control signal wire is connected with the motor driver and the PC. The device successfully solves the key problem that an eye ultrasonic probe automatically controls the scanning, rebuilds a tridimensional image model of an eyeball through utilizing collecting a series of two-dimensional eyeball ultrasonic images without damaging an original two-dimensional ultrasonic apparatus, and the rebuilt images are clearer, and more distinct and direct compared with the two-dimensional images, and has stronger three-dimensional sense and obvious space position. The device has reasonable design, and is suitable for practical use.
Description
Technical field
This utility model belongs to medical apparatus and instruments, relates to a kind of three-dimensional image forming apparatus of real-time eyeball ultrasonic image.
Background technology
The medical image three-dimensional reconstruction that it is generally acknowledged, the armarium that can produce the view data of suitable three-dimensional reconstruction roughly has computed tomography (CT), NMR (Nuclear Magnetic Resonance)-imaging (MRI), positron radiation tomography (PET) etc.They are based on the visualization in scientific computing technology, reconstruct three-dimensional body from a series of two-dimentional tomography medical images, utilize the computer demonstration and finish the 3-D view operation.The image that these equipment produce all is successive faultage image, belongs to organized structurized volume data.Yet eyeball is for containing the fluidity organ, the shallow relatively table in position, and it is clear that acoustics is dissected the interface, and acoustic attenuation is less, is suitable for ultrasonic examination.Though ultrasonoscopy equipment can not form the such high-definition picture of CT image, it has lot of advantages, and as cheap, imaging is fast, and no x radiation x belongs to noninjurious examination etc.Year surplus the conventional two-dimentional B-mode instrument of ophthalmology has used 20 at home, however it can only provide the two dimensional image of a certain section of eyeball, and spatial eyeball biological structure can not be provided.
Summary of the invention
The purpose of this utility model provides a kind of eyeball ultrasonic three-dimensional imaging device, be on basis on original ophthalmology two-dimensional ultrasound equipment, application probe control technology, image processing techniques, computer general-purpose three-dimensional reconstruction technology, three-dimensional image display technology etc. are rebuild demonstration eye structure threedimensional model.The harvester that this utility model provides is by the vertical lift screw rod, horizontal lifting screw, motor, probe holder, power supply, motor driver, attaching plug, control signal wire, the control acquisition PC machine constitutes, the vertical lift screw rod becomes decussation to be connected with horizontal lifting screw, motor is installed in horizontal lifting screw front end, probe holder is connected with motor, motor connects motor driver, attaching plug connects power supply, power supply is connected with motor driver, the motor driver input is connected with control signal wire, and the outfan of PC is connected with control signal wire.
During use, at probe holder 4 ultrasonic probe is installed, ultrasonic probe is equipped with rotation motor, its rotating speed of the accurate control of computer, ultrasonic probe is constantly finished a width of cloth width of cloth two-dimensional ultrasound scanogram when axis spins, the anglec of rotation of step motor control ultrasonic probe and direction, motor driver is in order to the work of drive stepping motor, and the function of the segmentation motor anglec of rotation arranged, motion control card is inserted in interior use of pci expansion slot of PC, can finish all details of motor motor control, comprise the output of pulse and direction signal, the processing of automatic lifting speed, the detection of initial point and limit signal etc., and have trapezoidal and S shape rising or falling speed curve.System is by the scanning position of the corner positioning probe of control motor, and every interval 2 degree carry out an image scanning, and the corotation turnback is gathered the three-dimensional reconstruction that 90 width of cloth images carry out image.Vertical lift screw rod and horizontal lifting screw fixedly are " ten " word shape by the screw rod cross-connect in the middle of two screw rods, position according to the sampling eyeball, the vertical of control ultrasonic probe moves and moves forward and backward, make probe farthest press close to eyeball, to guarantee accurately effectively gathering of image.Power supply is to change the civil power of 220V to the 24V unidirectional current.
Attaching plug is introduced 220 volts civil power to power supply, convert the required 24V voltage dc of motor driver to by power supply and insert motor driver, control signal wire to motor driver, converts current drives motor by motor driver by the motion control card output motor control instruction on the control acquisition PC machine.Motor is installed in horizontal lifting screw front end, and probe holder is connected on the motor, rotates synchronously with motor, thereby by the position of motor location ultrasonic probe, finishes the accurate control to the ultrasonic probe anglec of rotation and sequential.
This utility model adopts the rotary body pressure method to obtain the two-dimensional image data of eye, promptly the center with eyeball is the center, rotate by angle that is provided with and speed by computer instruction control step motor, every rotation 2 degree collections obtain a width of cloth sector scanning image, the corotation turnback obtains 90 sub-pictures, by the image transformation Processing Algorithm, the view data that this is serial converts faultage image data to, and these tomographs are reconstructed into three-dimensional eye pattern picture with the said three-dimensional body rendering technique.This utility model has successfully solved this key issue of the automatic gated sweep of eye ultrasonic probe.
This utility model is on the basis of not destroying former two-dimensional ultrasound instrument, utilize the two-dimentional eyeball ultrasonic image of gathering a sequence, by the 3-D view model of this eyeball of computer reconstruction, the 3-D view after the reconstruction is more clear, true to nature, directly perceived than two dimensional image, third dimension is strong, and the locus is clear and definite.Not only improved the accuracy of ophthalmic diagnosis, for treatment and particular procedure and to the comprehensive preservation of model case data, followed up a case by regular visits to, observing provides convenience.This utility model utilizes up-to-date video high-resolution high speed image acquisition board on original two dimension eye ultrasonic device, the collecting device image solves acquisition technology in real time.This utility model is reasonable in design, is suitable for practicality.
Description of drawings
Fig. 1 is this utility model structural representation.
Fig. 2 is this utility model device software flow chart.
Fig. 3 a, 3b are the sketch map of eye pattern as the conversion of data tomoscan.
Fig. 4 is this utility model device embodiment flow chart.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is further specified.Following preferred embodiment case is interpreted as only illustrating, but not limits scope of the present utility model by any way.
Referring to Fig. 1, the device that this utility model provides is by vertical lift screw rod 1, horizontal lifting screw 2, motor 3, probe holder 4, power supply 5, motor driver 6, attaching plug 7, control signal wire 8, control acquisition PC machine 9 constitutes, 2 one-tenth decussations of vertical lift screw rod 1 and horizontal lifting screw are connected, motor 3 is installed in horizontal lifting screw 2 front ends, probe holder 4 is connected with motor 3, motor 3 connects motor driver 6, attaching plug 7 connects power supply 5, power supply 5 is connected with motor driver 6, motor driver 6 inputs are connected with control signal wire 8, and the outfan of PC 9 is connected with control signal wire 8.What vertical lift screw rod 1 and horizontal lifting screw 2 adopted is the aluminium alloy screw rod of 15mm diameter, fixedly is " ten " word shape by the screw rod cross-connect in the middle of two screw rods.
The operator can adjust the knob of 2 screw rods, thereby the position of the vertical and level of control step motor 3 and probe holder 4 makes by probe holder 4 fixed ultrasonic probes fully to contact with eyes.
Attaching plug 8 is introduced 220 volts civil power to power supply 5, converts motor driver 6 required 24V voltage dcs to by power supply 5 and inserts motor driver 6.Control signal wire 7 is introduced Electric Machine Control by control acquisition PC machine 9 and is instructed motor driver 6, converts current drives motor 3 to by motor driver 6.
Referring to Fig. 2, PC 9 is by motion control card, by the corner of control signal wire 8 control step motors rotation.The every anglec of rotation 2 degree, computer carries out image acquisition one time by image pick-up card, judges whether that by computer program corotation forwards 180 degree to.If then stop to gather; Otherwise continue to repeat above step, gather the three-dimensional reconstruction that 90 width of cloth images carry out image altogether.
Next step is handled the eye ultrasound image data of gathering by computer, finishes being converted to continuous two-dimentional eyeball tomoscan image.Rebuild the calculating of module and redraw by three-D ultrasonic, finally obtain having the eyeball ultrasonic threedimensional model of three-dimensional translucent effect.
This utility model is by the image collecting device of design, adopt the rotary body pressure method to obtain the two-dimensional image data of eyeball, promptly the center with eyeball is the center, by the computer-controlled stepper motor rotation, every rotation 2 degree obtain a secondary sagittate section image, corotation turnback, obtain 90 sub-pictures, by the image transformation Processing Algorithm, the rotation sagittate section view data conversion stratification of this series is cut view data, cut figure by these layers again and be reconstructed into three-dimensional eyeball image with the said three-dimensional body rendering technique.Rotation sagittate section view data is cut the corresponding relation of view data referring to shown in Figure 3 with layer.
The two-dimentional eyeball ultrasonic view data that collects, by the scan conversion relation, integral body is converted to the image sequence of traditional tomoscan.Can set the bed thickness of this sequence accurately, least unit is 1 pixel.The precision of faultage image will promote along with the raising of image resolution ratio.As adopt the image resolution ratio of 768*576, can obtain 576 width of cloth faulted scanning patterns at most, spatial resolution＜0.04mm.By adopting the said three-dimensional body rendering technique to realize synthetic demonstration of three-dimensional of eye pattern picture, finally obtain having the three-dimensional eye model of three-dimensional translucent effect.
Referring to Fig. 4, this figure is an eyeball ultrasonic three-dimensional imaging device embodiment flow chart.
The hollow limit circle on Fig. 4 left side is represented the beginning of embodiment flow process, and the circle on the solid limit on the right is represented the end of embodiment flow process.The operator at first imports patient's essential information (information such as name, sex, age, tentative diagnosis that comprises patient).After the typing essential information is finished, whether gather the two dimensional image of patient's eyeball ultrasonic by operator's selection.If select to be, then begin two dimensional image acquisition software flow process, the image that collects stores in the ophthalmologic image storehouse.If select then not skip the process of images acquired, directly enter into statement writing module flow process.
After writing ultrasonic diagnosis report, selected whether the two-dimensional ultrasonic image of gathering to be carried out 3D image reconstruction by the operator, the eyeball ultrasonic 3-D view after the reconstruction stores in the ophthalmology 3-D view storehouse.Successful synthetic eye 3-D view, in display interface, this image of rotation demonstration arbitrarily of clicking the mouse, and can control the particularly topographical surface figure at eyeball rear portion of certain part of demonstration, and can handle 3-D view, comprise amplification, adjust gray scale, rotation.Adjustment to 3-D view is observed, and can find the position and the size of focus clearly, gets information about the situation of disease, makes precise diagnosis.
More than this utility model is illustrated but this utility model is not limited thereto.It is apparent to those skilled in the art that and to make many modifications, conversion, to be equal to replacement etc. this utility model.But, as long as these modifications, conversion, be equal to replacement and do not deviate from spirit and scope of the present utility model, all should be within protection domain of the present utility model.
Claims (3)
1. eyeball ultrasonic three-dimensional imaging device, it is characterized in that: by vertical lift screw rod (1), horizontal lifting screw (2), motor (3), probe holder (4), power supply (5), motor driver (6), attaching plug (7), control signal wire (8), control acquisition PC machine (9) constitutes, vertical lift screw rod (1) is connected with horizontal lifting screw (2), motor (3) is installed in horizontal lifting screw (2) front end, probe holder (4) is connected with motor (3), motor (3) connects motor driver (3), attaching plug (7) connects power supply (5), power supply (5) is connected with motor driver (6), motor driver (6) input is connected with control signal wire (8), and the outfan of PC (9) is connected with control signal wire (8).
2. a kind of eyeball ultrasonic three-dimensional imaging device according to claim 1 is characterized in that: vertical lift screw rod (1) and horizontal lifting screw (2) fixedly are " ten " word shape by the screw rod cross-connect in the middle of two screw rods.
3. a kind of eyeball ultrasonic three-dimensional imaging device according to claim 1 is characterized in that: vertical lift screw rod (1) and horizontal lifting screw (2) aluminium alloy screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920117171U CN201379592Y (en) | 2009-04-03 | 2009-04-03 | Eyeball ultrasonic tridimensional imaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920117171U CN201379592Y (en) | 2009-04-03 | 2009-04-03 | Eyeball ultrasonic tridimensional imaging device |
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| Publication Number | Publication Date |
|---|---|
| CN201379592Y true CN201379592Y (en) | 2010-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200920117171U Expired - Lifetime CN201379592Y (en) | 2009-04-03 | 2009-04-03 | Eyeball ultrasonic tridimensional imaging device |
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| CN (1) | CN201379592Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688068A (en) * | 2012-03-27 | 2012-09-26 | 深圳市开立科技有限公司 | Lifting mechanism and ultrasonic system of lifting mechanism |
| CN110833434A (en) * | 2019-11-22 | 2020-02-25 | 南京智能仿真技术研究院有限公司 | Three-dimensional ultrasonic imaging system based on three-dimensional profile measurement |
| US10970921B2 (en) | 2016-09-30 | 2021-04-06 | University Hospitals Cleveland Medical Center | Apparatus and method for constructing a virtual 3D model from a 2D ultrasound video |
-
2009
- 2009-04-03 CN CN200920117171U patent/CN201379592Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688068A (en) * | 2012-03-27 | 2012-09-26 | 深圳市开立科技有限公司 | Lifting mechanism and ultrasonic system of lifting mechanism |
| US10970921B2 (en) | 2016-09-30 | 2021-04-06 | University Hospitals Cleveland Medical Center | Apparatus and method for constructing a virtual 3D model from a 2D ultrasound video |
| CN110833434A (en) * | 2019-11-22 | 2020-02-25 | 南京智能仿真技术研究院有限公司 | Three-dimensional ultrasonic imaging system based on three-dimensional profile measurement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100113 Effective date of abandoning: 20090403 |