CN102085091B - Three-dimensional ultrasound biomicroscope for cylinder scanning - Google Patents
Three-dimensional ultrasound biomicroscope for cylinder scanning Download PDFInfo
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- CN102085091B CN102085091B CN200910250068A CN200910250068A CN102085091B CN 102085091 B CN102085091 B CN 102085091B CN 200910250068 A CN200910250068 A CN 200910250068A CN 200910250068 A CN200910250068 A CN 200910250068A CN 102085091 B CN102085091 B CN 102085091B
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Abstract
The invention discloses a three-dimensional ultrasound biomicroscope for cylinder scanning. In the three-dimensional ultrasound biomicroscope, a motor 1, a coupling sheet 1, a photoelectric encoder 1 and a motor fixing sleeve are connected sequentially; one end of a motor 2 passes through an aperture on the base of the motor fixing sleeve and is fixedly connected with a coupling sheet 2; a supporting frame is fixed on the base of the motor fixing sleeve; a photoelectric encoder 2 is arranged between the base of the motor fixing sleeve and the coupling sheet 2; both ends of a transmission bar are connected with an off-centre position of the coupling sheet 2 and a transmission frame respectively; a guide rail is in a linear type and passes through a slot of the transmission frame, and both ends of the guide rail are fixed on the supporting frame; a sliding block is arranged below the guide rail and is fixed on the transmission frame; one end of a probe is connected with the transmission frame, and the other end of the probe is provided with a sensor; the sensor is connected with a control line board; the photoelectric encoder 1 and the photoelectric encoder 2 are connected with the control line board; and the control line board is connected with a programming controller. The three-dimensional ultrasound biomicroscope has a simple structure, a controllable scanning range and high scanning efficiency and is convenient to operate and simple in data processing.
Description
[technical field]
The present invention relates to medical instruments field, relate in particular to a kind of three-D ultrasonic biological microscope of realizing cylindricality scanning.
[background technology]
Ultrasound biomicroscopy UBM (is called for short: UBM, English full name: Ultrasound Biomicroscope) be the novel ophthalmology B ultrasonic iconography checkout equipment that grows up early 1990s.UBM utilize PLD control electronic circuit excitation high frequency ultrasound sensor emission high frequency ultrasound as signal source, receive ultrasound echo signal and carry out electronic signal process; Obtain and the digital picture of checking that tissue is relevant, the two dimensional image of end at the moment of similar low power optical microscope effect and different section is provided for people in conjunction with computer image processing technology.UBM has the resolution height, in real time, quantitatively and does not receive characteristics such as muddy cornea, crystalline lens influence, and on clinical ophthalmology, is widely used.The image quality of UBM, imaging scope and its mechanical scanning mode are closely related, and at present, sector scanning ultrasound biomicroscopy UBM clinically is owing to its simple, the wide widespread usage that obtains of sweep limits of machine construction principle.The sector scanning device is to utilize machine driving, transforming principle to be converted into the simple harmonic motion of similar clock single pendulum to the uniform circular motion of motor, thereby obtains ultransonic sector scanning line.But there is the shortcoming that uniform speed scanning narrow range, image geometric distortion are high, the clear picture scope is little in the sector scanning device, and measuring distance is low in variation, data processing complex, accuracy all the time, brings a lot of puzzlements to the clinician.
[summary of the invention]
The objective of the invention is in order to overcome the deficiency of prior art; A kind of three-D ultrasonic biological microscope of realizing cylindricality scanning is provided, and it has characteristics simple to operation, that sweep limits is controlled, the clear picture scope is big, date processing is simple, scan efficiency is high.
The present invention provides a kind of three-D ultrasonic biological microscope of realizing cylindricality scanning; Comprise: shell, big bearing, motor one, motor two, shaft coupling sheet one, shaft coupling sheet two, motor fixed cover, drive link, bracing frame, gear frame, guide rail, slide block, probe, cyclelog and control line plate; The two ends of said shaft coupling sheet one are fixedly connected with the motor fixed cover with motor one respectively, are provided with photoelectric encoder one between shaft coupling sheet one and the motor one; Said big bearing is fixed between motor fixed cover outer wall and the outer casing inner wall; Said motor fixed cover is fixedly connected with the outer wall of motor two; The motor fixed cover other end is provided with the base that a center has aperture, and the aperture that an end of motor two passes on the motor fixed cover base is fixedly connected with shaft coupling sheet two; The support frame as described above center has a big hole, and bracing frame is fixed on the motor fixed cover base; Be provided with photoelectric encoder two between motor fixed cover base and the shaft coupling sheet two, photoelectric encoder is arranged in the bracing frame big hole; Said drive link one end is connected with the off-center fixed-site of shaft coupling sheet two, and the other end is connected with gear frame is mobilizable; Said gear frame is provided with a fluting, and said guide rail is a linear type, and guide rail passes the gear frame fluting and two ends are separately fixed on the bracing frame; Said slide block is arranged on the guide rail below, and is fixed on the gear frame, and said slide block and gear frame can slide along guide rail; Said probe one end is connected with gear frame, and the other end is provided with pick off, and this pick off is connected with the control line plate; Said photoelectric encoder one all is connected with the control line plate with photoelectric encoder two, and the control line plate is connected with cyclelog; Said shell one end is fixed on the outside of motor one, and the other end is arranged on the bracing frame outside.
The mode that said big bearing is fixed between motor fixed cover outer wall and the outer casing inner wall is: on motor fixed cover outer wall, be provided with projection; Be used for fixing the internal ring of big bearing; Wall is provided with projection in the enclosure; Be used for fixing the outer shroud of big bearing, said big bearing is arranged between motor fixed cover outer wall and the outer casing inner wall.
The said drive link other end and the mobilizable ways of connecting of gear frame are: the drive link other end is provided with little bearing, and said little bearing is stuck in the gear frame fluting.
Said guide rail passes the mode that gear frame is slotted and two ends are separately fixed on the bracing frame: on bracing frame, be arranged with two dops, said guide rail two ends are fixed with two dops respectively.
In the slide block of said guide rail below a plurality of little balls are set.
Said probe one end with the gear frame ways of connecting is: said gear frame is fixedly connected with the Magnet stator, the Magnet stator with the probe on be equipped with Magnet, through the magnetic of Magnet will pop one's head in and gear frame couple together.
The present invention compared with prior art has the following advantages:
The setting of motor two, shaft coupling sheet two, drive link, gear frame and guide rail among the present invention; Make the circular motion of the drive link that drives by motor two be converted into the rectilinear motion of gear frame; The setting of motor one, shaft coupling sheet one, motor fixed cover and bracing frame; Gear frame is done straight-linely also moved in a circle simultaneously, and then make the probe that is connected with gear frame not only do rectilinear motion but also move in a circle, the scanning at each position of patient's eye of having realized popping one's head in along with the rotation of motor one; And the rotating speed that may command and adjustment motor one and motor two are set through photoelectric encoder one, photoelectric encoder two, cyclelog and control line plate; The rotation that is set to motor two and motor fixed cover of big bearing provides support power and assosting effect, makes rotation more stable, the scanning better effects if of probe; Sensor emission in the probe is converted into the signal of telecommunication with the reception ultrasound wave and with the ultrasound wave that receives, and through control line plate and connected cyclelog image is handled and be converted into to this signal of telecommunication.The present invention is simple in structure, and is easy to operate, and sweep limits is controlled, date processing is simple, scan efficiency is high.
[description of drawings]
Fig. 1 realizes the uncanned structural representation of three-D ultrasonic biological microscope of cylindricality scanning for the present invention is a kind of;
Fig. 2 realizes the exploded perspective view of the three-D ultrasonic biological microscope embodiment of cylindricality scanning for the present invention is a kind of;
Fig. 3 is the overall structure sketch map of Fig. 2;
Fig. 4 is the probe of the present invention track while scan sketch map of scanning downwards;
Fig. 5 is the side view of Fig. 4.
[specific embodiment]
Reach technological means and the effect that predetermined purpose is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To a kind of three-D ultrasonic biological microscope of realizing cylindricality scanning that proposes according to the present invention; Its specific embodiment, structure, characteristic and effect thereof, explain as after.
The present invention provides a kind of three-D ultrasonic biological microscope of realizing cylindricality scanning; Like Fig. 1, Fig. 2 and shown in Figure 3; It comprises: shell 17, big bearing 16, motor 1, motor 22, shaft coupling sheet 1, shaft coupling sheet 24, motor fixed cover 5, drive link 6, bracing frame 7, gear frame 8, guide rail 9, slide block 10, probe 11, cyclelog and control line plate (figure does not show).The two ends of said shaft coupling sheet 1 are fixedly connected with motor fixed cover 5 with motor 1 respectively, and shaft coupling sheet 1 makes motor 1 more firm with being connected of motor fixed cover 5, and shaft coupling sheet 1 can rotate along with the rotation of motor 1 with motor fixed cover 5.Be provided with photoelectric encoder 1 between shaft coupling sheet 1 and the motor 1, this photoelectric encoder 1 is used to detect the rotating speed and the corner of motor 1.Said big bearing 16 is fixed between motor fixed cover 5 outer walls and shell 17 inwalls, and the rotation that this big bearing 16 is used to motor 22 and motor fixed cover 5 provides support power and assosting effect, makes rotation more stable.Said motor fixed cover 5 is fixedly connected with the outer wall of motor 22; Make the rotation of motor 22 more firm; Motor fixed cover 5 other ends are provided with the base 13 that a center has aperture; The aperture that one end of motor 22 passes on the motor fixed cover base 13 is fixedly connected with shaft coupling sheet 24, and shaft coupling sheet 24 can rotate along with the rotation of motor 22.Support frame as described above 7 centers have a big hole, and bracing frame 7 is fixed on the base 13 of motor fixed cover 5, and it can rotate along with the rotation of motor fixed cover 5.Be provided with photoelectric encoder 2 15 between motor fixed cover base 13 and the shaft coupling sheet 24; Photoelectric encoder 2 15 is arranged in bracing frame 7 big holes; This photoelectric encoder 2 15 is used to detect the rotation rotating speed and the corner of motor 22, thereby extrapolates the swing displacement of gear frame 8 by control line plate and the cyclelog that is attached thereto.Said drive link 6 one ends are connected with the off-center fixed-site of shaft coupling sheet 24; Drive link 6 can rotate along with the rotation of shaft coupling sheet 24; Drive link 6 other ends and 8 mobilizable connections of gear frame, drive link 6 is converted into the circular motion of shaft coupling 24 rectilinear motion of gear frame 8.Said gear frame 8 is provided with a fluting, and said guide rail 9 is a linear type, and guide rail 9 passes gear frame 8 flutings and two ends are separately fixed on the bracing frame 7, and gear frame 8 also rotates along with the rotation of bracing frame 7 with guide rail 9.Said slide block 10 is arranged on guide rail 9 belows, and is fixed on the gear frame 8, and said slide block 10 can slide along guide rail 9 with gear frame 8, and slide block 10 when sliding with gear frame 8 also along with bracing frame 7 moves in a circle.Said probe 11 1 ends are connected with gear frame 8; Probe 11 also can be along with gear frame 8 slides together and moves in a circle simultaneously along guide rail 9; 9 other ends of popping one's head in are provided with pick off, and this pick off is connected with the control line plate, and the control line plate is connected with cyclelog; Pick off is used to transmit and receive ultrasound wave and the ultrasound wave that receives is converted into the signal of telecommunication, and control line plate and connected cyclelog are handled this signal of telecommunication.Said photoelectric encoder 1 all is connected with the control line plate with photoelectric encoder 2 15; The control line plate is connected with cyclelog; Photoelectric encoder 1 can be distinguished rotating speed and the corner that real-time and dynamic detects motor 1 and motor 22 with photoelectric encoder 2 15; Adjust through cyclelog and control line plate, make the rotating speed of motor 1 and motor 22 reach predefined value, and make the rotation that remains a constant speed of motor 1 and motor 22.Said shell 17 1 ends are fixed on the outside of motor 1; The other end is arranged on bracing frame 7 outsides; Big bearing 16, motor 1, motor 22, shaft coupling sheet 1, shaft coupling sheet 24, motor fixed cover 5, drive link 6, bracing frame 7, gear frame 8, guide rail 9, slide block 10 are held wherein; The protection internal structure, and make outward appearance of the present invention more attractive in appearance.
The mode that the said big bearing 16 of the embodiment of the invention is fixed between motor fixed cover 5 outer walls and shell 17 inwalls is: on motor fixed cover 5 outer walls, be provided with projection; Be used for fixing the internal ring of big bearing 16; On shell 17 inwalls, be provided with projection; Be used for fixing the outer shroud of big bearing 16, said big bearing 16 is arranged between motor fixed cover 5 outer walls and shell 17 inwalls.
Said drive link 6 other ends in the embodiment of the invention and gear frame 8 mobilizable ways of connecting are: drive link 6 other ends are provided with little bearing 18; Said little bearing 18 is stuck in gear frame 8 flutings; As shown in Figure 3, this connected mode makes and realizes the rolling friction campaign between drive link 6 and the gear frame 8.Said guide rail 9 passes the mode that gear frame 8 is slotted and two ends are separately fixed on the bracing frame 7: on bracing frame 7, be arranged with two dops 14, said guide rail 9 two ends are fixing with two dops 14 respectively.
In the slide block 10 of said guide rail 9 belows in the embodiment of the invention a plurality of little balls are set, are used to reduce the frictional force between slide block 10 and the guide rail 9.
Said probe 11 1 ends in the embodiment of the invention with gear frame 8 ways of connecting are: said gear frame 8 is fixedly connected with Magnet stator 19; Be respectively equipped with Magnet 20,21 on Magnet stator 19 and the probe 11, through the magnetic of Magnet 20,21 will pop one's head in 11 and gear frame 8 couple together.
Operation principle of the present invention is: at first open the present invention by the rotating speed of predefined motor 1 and the rotating speed of motor 22; Motor 1 begins to rotate; And the bracing frame 7 that is attached thereto the shaft coupling sheet 1, the motor fixed cover 5 that is connected with shaft coupling sheet 1 that connect, is fixed on the motor fixed cover 5 is rotated accordingly around the axle center of motor 1; Produce revolution, realize whole circular motion.This moment, motor 22 also rotated; Motor 22 drives shaft coupling sheet 24, drive link 6 is done corresponding rotation; Drive link 6 drives the gear frame 8 that is attached thereto and slides along guide rail 9 when rotating; Also along with motor 1 is done revolution motion, do corresponding rectilinear motion and circular motion through gear frame 8 drive probes 11 when gear frame 8 slides, the sensor emission in the probe 11 is converted into the signal of telecommunication with the reception ultrasound wave and with the ultrasound wave that receives; Through control line plate and connected cyclelog image is handled and be plotted as to this signal of telecommunication, realize scanning each position of patient's eye.In work process of the present invention; Photoelectric encoder 1 constantly produces level along with the circular motion of motor 1 and motor 22 respectively with photoelectric encoder 2 15 and changes A and level variation B; Level variation A that produces and level variation B are separately converted to digital signal, by control line plate and cyclelog this digital signal are handled again, calculate the actual speed of motor 1 and motor 22; The actual speed of motor 1 and motor 22 is compared with predefined rotating speed respectively; Convert comparative result to signal and feed back to the control line plate simultaneously, through the size of current of control line plate adjustment motor 1 and motor 22, and then the rotating speed of change motor 1 and motor 22; Make the rotating speed of motor 1 and motor 22 reach preset value, and make the rotating speed of motor 1 and motor 22 reach evenly constant effect.The present invention adopts the detection signal of photoelectric encoder 2 15 to inspire the scanning of 11 pairs of eyes of probe; As can be set to when certain point on the photoelectric encoder 2 15 turns to 15 ° and 195 °, trigger respectively the scanning of the 11 pairs of eyes of once popping one's head in; The track while scan sketch map that Fig. 4 scans downwards for probe 11, probe 11 are under the effect of motor 1, shaft coupling sheet 1, motor fixed cover 5, bracing frame 7 and guide rail 9, and its track while scan that moves in a circle forms cylindrical; The center of circle of cylindrical is the axle center of motor 22; Pop one's head in 11 simultaneously along guide rail 9 slips, track while scan is the camber line in Fig. 4 cylindrical, and Fig. 5 is the side view of Fig. 4.The present invention scans through the 11 interior pick offs of popping one's head in; Because ultrasonic wave energy penetrates certain degree of depth, in this depth bounds, the every aspect of ultrasound wave; There is reflection echo in the capital; The echo of same ripple on different aspects handled, made ultrasonic scanning reach certain degree of depth, so the result of the present invention's scanning is three-dimensional cylindrical when on clinical medicine, using.
The setting of motor 22, shaft coupling sheet 24, drive link 6, gear frame 8 and guide rail 9 among the present invention; Make the circular motion of the drive link 6 that drives by motor 22 be converted into the rectilinear motion of gear frame 8; The setting of motor 1, shaft coupling sheet 1, motor fixed cover 5 and bracing frame 7; Gear frame 8 is done straight-linely also to move in a circle along with the rotation of motor 1 simultaneously; And then make the probe 11 that is connected with gear frame 8 not only do rectilinear motion but also move in a circle; The scanning at 11 pairs of each positions of patient's eye that realized popping one's head in, and the rotating speed that may command and adjustment motor 1 and motor 22 are set through photoelectric encoder 1, photoelectric encoder 2 15, cyclelog and control line plate, the rotation that is set to motor 22 and motor fixed cover 5 of big bearing 16 provides support power and assosting effect; Make rotation more stable; Probe 11 scanning better effects if, the sensor emission of probe in 11 with receive ultrasound wave and the ultrasound wave that receives be converted into the signal of telecommunication, through control line plate and connected cyclelog image is handled and be converted into to this signal of telecommunication.The present invention is simple in structure, and is easy to operate, and sweep limits is controlled, date processing is simple, scan efficiency is high.
In this description, the present invention is described with reference to its certain embodiments, still, still can make various modifications and conversion obviously and does not deviate from the spirit and scope of the present invention.Therefore, description of the present invention and accompanying drawing are considered to illustrative and nonrestrictive.
Claims (6)
1. three-D ultrasonic biological microscope of realizing cylindricality scanning; It is characterized in that; Comprise: shell, big bearing, motor one, motor two, shaft coupling sheet one, shaft coupling sheet two, motor fixed cover, drive link, bracing frame, gear frame, guide rail, slide block, probe, cyclelog and control line plate; The two ends of said shaft coupling sheet one are fixedly connected with the motor fixed cover with motor one respectively, are provided with photoelectric encoder one between shaft coupling sheet one and the motor one; Said big bearing is fixed between motor fixed cover outer wall and the outer casing inner wall; Said motor fixed cover is fixedly connected with the outer wall of motor two; The pairing other end of an end that links to each other with shaft coupling sheet one of motor fixed cover is provided with the base that a center has aperture, and the aperture that an end of motor two passes on the motor fixed cover base is fixedly connected with shaft coupling sheet two; The support frame as described above center has a big hole, and bracing frame is fixed on the motor fixed cover base; Be provided with photoelectric encoder two between motor fixed cover base and the shaft coupling sheet two, photoelectric encoder two is arranged in the bracing frame big hole; Said drive link one end is connected with the off-center fixed-site of shaft coupling sheet two, and the other end is connected with gear frame is mobilizable; Said gear frame is provided with a fluting, and said guide rail is a linear type, and guide rail passes the gear frame fluting and two ends are separately fixed on the bracing frame; Said slide block is arranged on the guide rail below, and is fixed on the gear frame, and said slide block and gear frame can slide along guide rail; Said probe one end is connected with gear frame, and the other end is provided with pick off, and this pick off is connected with the control line plate; Said photoelectric encoder one all is connected with the control line plate with photoelectric encoder two, and the control line plate is connected with cyclelog; Said shell one end is fixed on the outside of motor one, and the other end is arranged on the bracing frame outside.
2. a kind of three-D ultrasonic biological microscope of realizing cylindricality scanning as claimed in claim 1; It is characterized in that; The mode that said big bearing is fixed between motor fixed cover outer wall and the outer casing inner wall is: on motor fixed cover outer wall, be provided with projection, be used for fixing the internal ring of big bearing, wall is provided with projection in the enclosure; Be used for fixing the outer shroud of big bearing, said big bearing is arranged between motor fixed cover outer wall and the outer casing inner wall.
3. a kind of three-D ultrasonic biological microscope of realizing cylindricality scanning as claimed in claim 2; It is characterized in that; The said drive link other end and the mobilizable ways of connecting of gear frame are: the drive link other end is provided with little bearing, and said little bearing is stuck in the gear frame fluting.
4. a kind of three-D ultrasonic biological microscope of realizing cylindricality scanning as claimed in claim 3; It is characterized in that; Said guide rail passes the mode that gear frame is slotted and two ends are separately fixed on the bracing frame: on bracing frame, be arranged with two dops, said guide rail two ends are fixed with two dops respectively.
5. a kind of three-D ultrasonic biological microscope of realizing cylindricality scanning as claimed in claim 4 is characterized in that, in the slide block of said guide rail below a plurality of little balls is set.
6. a kind of three-D ultrasonic biological microscope of realizing cylindricality scanning as claimed in claim 5; It is characterized in that; Said probe one end with the gear frame ways of connecting is: said gear frame is fixedly connected with the Magnet stator; The Magnet stator with the probe on be equipped with Magnet, through the magnetic of Magnet will pop one's head in and gear frame couple together.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910250068A CN102085091B (en) | 2009-12-03 | 2009-12-03 | Three-dimensional ultrasound biomicroscope for cylinder scanning |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910250068A CN102085091B (en) | 2009-12-03 | 2009-12-03 | Three-dimensional ultrasound biomicroscope for cylinder scanning |
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| CN102085091A CN102085091A (en) | 2011-06-08 |
| CN102085091B true CN102085091B (en) | 2012-08-29 |
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| CN200910250068A Active CN102085091B (en) | 2009-12-03 | 2009-12-03 | Three-dimensional ultrasound biomicroscope for cylinder scanning |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107468283A (en) * | 2017-07-25 | 2017-12-15 | 北华航天工业学院 | A kind of hand-held optical biopsy instrument |
| CN113366280A (en) * | 2020-01-06 | 2021-09-07 | 深圳市大疆创新科技有限公司 | Three-dimensional scanning device and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201160860Y (en) * | 2006-12-08 | 2008-12-10 | 温州医学院 | Ophthalmological ultrasonic biological microscopes scanning probe |
| CN201346214Y (en) * | 2008-12-22 | 2009-11-18 | 温州医学院眼视光器械有限公司 | Novel mechanical scanner for ophthalmological supersonic biological microscope |
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- 2009-12-03 CN CN200910250068A patent/CN102085091B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201160860Y (en) * | 2006-12-08 | 2008-12-10 | 温州医学院 | Ophthalmological ultrasonic biological microscopes scanning probe |
| CN201346214Y (en) * | 2008-12-22 | 2009-11-18 | 温州医学院眼视光器械有限公司 | Novel mechanical scanner for ophthalmological supersonic biological microscope |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平4-225157A 1992.08.14 |
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