CN208640750U - A kind of ultrasonic skin 3-D scanning probe - Google Patents
A kind of ultrasonic skin 3-D scanning probe Download PDFInfo
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- CN208640750U CN208640750U CN201721691264.1U CN201721691264U CN208640750U CN 208640750 U CN208640750 U CN 208640750U CN 201721691264 U CN201721691264 U CN 201721691264U CN 208640750 U CN208640750 U CN 208640750U
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- bent plate
- energy converter
- linear motor
- tooth
- sink
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Abstract
The utility model discloses a kind of ultrasonic skin 3-D scanning probe, there is printed circuit board on bottom plate, under have linear motor bracket and top shoe, there is linear motor on a linear motor bracket left side, there is sink bent plate on the right side, guide rail is connected under top shoe, fixed determines intermediate bent plate under upper rail, fixed intermediate bent plate has nut, and straight-line electric arbor is connect with nut；It is through-hole on the downside of sink bent plate, through-hole lower end is sealed with sound passing membrane, forms sink；Linear sweep mechanism under fixed intermediate bent plate, the drive shaft of intermediate inner drive have gear；There are the left rail with left slider, the energy converter pedestal that the left tooth of left slider connecting band is usherd to seat in lower-left in intermediate, and left tooth, which is usherd to seat, left tooth band, and energy converter pedestal connects energy converter support, and energy converter support connects ultrasonic transducer；There is the right guide rail with right sliding block in bottom right in intermediate, and the clump weight that the right right tooth of sliding block connecting band is usherd to seat, right tooth, which is usherd to seat, right tooth band.The vibration of mechanical structure when the utility model can reduce scanning probe.
Description
Technical field
The utility model relates to scanning heads, and more specifically, it relates to a kind of ultrasonic skin 3-D scanning probes.
Background technique
High frequency ultrasound skin three-dimensional imaging is skin Imaging Technology emerging in recent years, dermopathic clinical diagnosis,
Evaluating curative effect, judging prognosis etc. has very important value, domestic without corresponding instrument and equipment, existing line at present
Battle array ultrasonic probe can not accomplish the high-frequency of adaptation dermal imaging frequency, lead to not carry out three-dimensional imaging to skin, and existing
The vibration of mechanical scanning three-dimensional probe it is bigger, it is serious to often lead to slice dislocation when acquiring the volume data of skin, to lead
Cause three-dimensional imaging of poor quality.In order to obtain the skin volume data of high quality, need to carry out existing three-D ultrasonic scanning head
It improves.
Utility model content
The purpose of this utility model is to overcome deficiency in the prior art, providing a kind of can obtain high quality skin
The ultrasonic skin 3-D scanning of volume data is popped one's head in, the vibration of mechanical structure when which can reduce scanning probe.
The purpose of this utility model is achieved through the following technical solutions.
A kind of ultrasonic skin 3-D scanning probe, including bottom plate, the plate upper surface are provided with printed circuit board, following table
Face is fixed with linear motor bracket and top shoe, is provided with linear motor on the left of the linear motor bracket, right side is provided with water
Slot bent plate, the top shoe lower end connect matching upper rail, and it is curved that the upper rail lower surface is connected with fixed intermediate
Plate is fixedly installed nut in the fixed intermediate bent plate PATENT left side via, and the axis of the linear motor sequentially passes through straight-line electric
Machine support, sink bent plate, the nut in fixed intermediate bent plate, and the axis of the linear motor is connected through a screw thread with nut；
It is through-hole structure on the downside of the sink bent plate, the lower end of through-hole is sealed with sound passing membrane, forms the water for injecting ultrasonic coupling liquid
Slot；
The fixed intermediate bent plate lower surface is provided with linear scan mechanism, and the linear scan mechanism includes and fixation
The intermediate that intermediate bent plate is fixedly connected, the intermediate are internally provided with driver, the drive shaft setting of the driver
There is gear；It is provided with left rail in the side channel of lower-left inside the intermediate, is provided on the left rail and is moved in a straight line along it
Left slider, the left slider is connected with energy converter pedestal, is fixed with left tooth on the energy converter pedestal and ushers to seat, the left tooth band
Seat is provided with the left tooth band being meshed with gear, and the energy converter base bottom is connected with energy converter support, the energy converter branch
Seat bottom is provided with ultrasonic transducer, and the ultrasonic transducer is located inside the sink of sink bent plate；It is right inside the intermediate
It is provided with right guide rail in lower side channel, the right sliding block moved in a straight line along it, the right sliding block connection are provided on the right guide rail
There is clump weight, right tooth is fixed on the clump weight and is usherd to seat, the right tooth is usherd to seat the right tooth band for being provided with and being meshed with gear.
Transmitting and the receiving module of cable and external connection are provided on the printed circuit board, it is described to emit and connect
The programmable logic device received in module controls exomonental frequency.
The linear motor and driver are connected with printed circuit board, on the ultrasonic transducer and printed circuit board
Transmitting be connected with the receiving module, the driver use stepper motor or servo motor.
The intermediate is hollow bilateral symmetry, and the quality of the clump weight is equal to energy converter pedestal, energy converter branch
The gross mass of seat, ultrasonic transducer.
The linear motor is connected with nut by screw thread, under the cooperation of upper rail and top shoe, drives ultrasonic transduction
Device moves left and right, and realizes the scanning of the direction z；When the drive shaft reciprocating rotation of the intermediate inner drive, gear, left rail,
The rotation of drive shaft is changed into linear motion by left slider, right sliding block, right guide rail, and energy converter pedestal is driven to transport along left rail straight line
Dynamic and clump weight moves along a straight line along right guide rail toward opposite direction, drives ultrasonic transducer front-rear reciprocation movement, realizes the side y
To scanning；The movement timing that linear motor and driver are controlled by the programmable logic device on the printed circuit board, from
And realize 3-D scanning.
Compared with prior art, beneficial effect brought by the technical solution of the utility model is:
(1) the utility model realizes the volume data extraction to skin, line using linear motor and linear scan mechanism
Property the sweep mechanism acquisition direction x-y on slice, for slice having a size of 10*14.5mm, linear motor drives linear scan mechanism in z
Side scans up, scanning range 10mm, thus realize the acquisition to area size for 10*14.5*10mm skin volume data, it is right
The exploitation design of high frequency ultrasound skin three-dimensional imaging modality has important value
(2) the utility model realizes the linear motion of ultrasonic transducer, side using double guide rails symmetrically arranged on the left and the right
Clump weight use the biggish material of density, keep motion parts two sides quality the same, when energy converter is moved to a direction, match
Pouring weight moves round about, ensure that center of gravity at the center of shaft drive axis, reduces ultrasonic transducer linear scanning always
When mechanical oscillation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Appended drawing reference: 1, sink bent plate；2, left tooth band；3, left tooth is usherd to seat；4, left rail；5, left slider；6, nut；7, solid
Determine intermediate bent plate；8, linear motor；9, linear motor bracket；10, bottom plate；11, printed circuit board；12, top shoe；13, on
Guide rail；14, intermediate；15, gear；16, right tooth band；17, right sliding block；18, right guide rail；19, right tooth is usherd to seat；20, clump weight；21
Energy converter pedestal；22, energy converter support；23 sound passing membranes.
Specific embodiment
The utility model will be further described with reference to the accompanying drawing.
As shown in Figure 1, the ultrasonic skin 3-D scanning of the utility model is popped one's head in, including bottom plate 10, band on the bottom plate 10
There is threaded hole, can be used to be fixed on the rack, 10 upper surface of bottom plate is fixed with printed circuit board 11, the printed circuit board
Multiple transmitting and receiving modules for passing through cable and external connection respectively are provided on 11.It is described transmitting with receiving module in can
Programmed logic device can control exomonental frequency, can meet the ultrasonic transducer of the different frequency from 50MHz to 100MHz
Launch requirements, transmitting with receiving module can also meet simultaneously 50MHz to 100MHz ultrasonic echo receiving amplification requirement.It is described
Transmitting and receiving module are carried out transmitting/receiving control by high frequency cable by system command.
It has been bolted linear motor bracket 9 on the left of 10 lower surface of bottom plate, has been fixed with cunning on the right side of lower surface
Block 12.Linear motor 8 is fixed on the left of the linear motor bracket 9, right side is fixed with sink bent plate 1, the water by screw
It is through-hole structure on the downside of slot bent plate 1, the lower end of through-hole is sealed with sound passing membrane 23, to form sink, ultrasonic coupling is injected in sink
Close liquid.There are two types of functions for the sound passing membrane 23, one is transmission ultrasonic wave, the ultrasonic energy for emitting ultrasonic transducer enters skin
Skin and from tissue internal reflection echo can pass through sound passing membrane 23 enter ultrasonic transducer, and then enter instrument system；The second is
Sealing function avoids human skin from directly contacting with ultrasonic transducer.
12 lower end of top shoe is connected with matching upper rail 13, and 13 lower surface of upper rail is connected with fixation
Intermediate bent plate 7, that is, top shoe 12 are fixed on the lower surface of bottom plate 10, and upper rail 13 is set to fixed intermediate bent plate 7
Upper surface, top shoe 12 and upper rail 13 matching insertion connection.Fixed setting in fixed 7 PATENT left side via of intermediate bent plate
There is nut 6, the axis of the linear motor 8 sequentially passes through linear motor bracket 9, sink bent plate 1, fixes in intermediate bent plate 7
The axis of nut 6, the linear motor 8 is threaded, and axis and the nut 6 of the linear motor 8 are connected through a screw thread.When the straight line
When the axis rotation of motor 8, under the cooperation of top shoe 12 and upper rail 13, by nut 6 drive fixed intermediate bent plate 7 and
The linear scan mechanism being connected on the downside of fixed intermediate bent plate 7 realizes probe in the direction z along 13 or so linear slide of upper rail
On scanning, scanning scope 10mm.
Fixed 7 lower surface of intermediate bent plate is provided with linear scan mechanism, and the linear scan mechanism includes fixing
Intermediate 14 in fixed 7 right side lower surface of intermediate bent plate, the intermediate 14 are hollow bilateral symmetry, inside setting
There is driver, stepper motor or other servo motors can be used in the driver.The drive shaft of the driver is provided with gear
15.It is provided with left rail 4 in the 14 inside lower-left side channel of intermediate, is provided on the left rail 4 and is moved in a straight line along it
Left slider 5, the left slider 5 is connected with energy converter pedestal 21, left tooth is fixed on the energy converter pedestal 21 and ushers to seat 3, institute
It states left tooth 3 sides of usheing to seat and is embedded with the left tooth band 2 being meshed with gear 15.It is provided in the 14 inside bottom right side channel of intermediate
Right guide rail 18 is provided with the right sliding block 17 moved in a straight line along it on the right guide rail 18, and the right sliding block 17 is connected with counterweight
Block 20 is fixed with right tooth on the clump weight 20 and ushers to seat 19, and the right tooth 19 sides of usheing to seat are embedded with and are meshed with gear 15
Right tooth band 16.The gear 15 engages simultaneously with left tooth band 2 and right tooth band 16, and the left rail 4 and right guide rail 18 are arranged symmetrically.
21 bottom thread of energy converter pedestal is connected with energy converter support 22, and 22 bottom of energy converter support is provided with
Ultrasonic transducer, the ultrasonic transducer are located inside the sink of sink bent plate 1.The ultrasonic transducer is that hyperfrequency transmits/receives
The single-chip circle broadband ultrasonic transducer of dual-purpose, the supersonic frequency of the ultrasonic transducer is 50MHz~100MHz, described
Ultrasonic transducer can be just immersed in the ultrasonic coupling liquid in 1 sink of sink bent plate, and the detection of the ultrasonic transducer is deep
Degree is 14.5mm, can obtain the ultrasonic echo of 14.5mm depth on the direction x.
When the drive shaft reciprocating rotation of 14 inner drive of intermediate, gear 15, left rail 4, left slider 5, right cunning
The rotation of drive shaft is changed into linear motion by block 17, right guide rail 18, drive energy converter pedestal 21 along left rail 4 move along a straight line with
And clump weight 20 moves along a straight line along right guide rail 18 toward opposite direction, drives ultrasonic transducer front-rear reciprocation movement, that is, drives
Ultrasonic transducer moves along a straight line in y-direction, to realize the function of ultrasonic transducer linear scan in y-direction, scans model
It encloses for 14.5mm.The linear motor 8 is connected with nut 6 by screw thread, under the cooperation of upper rail 13 and top shoe 12, is driven
Ultrasonic transducer moves left and right, and realizes the scanning of the direction z.
The linear motor 8 and driver are connected with printed circuit board 11, the ultrasonic transducer and printed circuit
Transmitting on plate 11 is connected with the receiving module, straight by the programmable logic device strict control on the printed circuit board 11
The movement timing of line motor 8 and driver, to realize whenever the driver drives ultrasonic transducer in intermediate 14 is linearly swept
It retouches, when obtaining the ultrasonic two dimensional slice data in a direction width x-y, the linear motor 8 drives fixed 7 downside phase of intermediate bent plate
Linear scan mechanism even moves in the direction z, obtains the direction next width x-z ultrasound two dimensional slice data, final to realize that three-dimensional is swept
It retouches, obtains three-dimensional stereo data.
The clump weight 20 uses the biggish material of density, keeps motion parts two sides quality the same, i.e. the matter of clump weight 20
Amount is equal to the gross mass of energy converter pedestal 21, energy converter support 22, ultrasonic transducer, moves in ultrasonic transducer to a direction
When, the clump weight 20 moves round about, ensure that center of gravity at the shaft center of driver, reduces ultrasound always
Mechanical oscillation when energy converter linear scanning.
Although being described above in conjunction with function and the course of work of the attached drawing to the utility model, the utility model is simultaneously
It is not limited to above-mentioned concrete function and the course of work, the above mentioned embodiment is only schematical, rather than limits
Property, those skilled in the art are not departing from the utility model aims and right is wanted under the enlightenment of the utility model
It asks under protected ambit, many forms can also be made, these are belonged within the protection of the utility model.
Claims (5)
1. a kind of ultrasonic skin 3-D scanning probe, including bottom plate (10), which is characterized in that bottom plate (10) the upper surface setting
Have printed circuit board (11), lower surface is fixed with linear motor bracket (9) and top shoe (12), the linear motor bracket (9)
Left side is provided with linear motor (8), and right side is provided with sink bent plate (1), and top shoe (12) lower end connects matching
Upper rail (13), upper rail (13) lower surface are connected with fixed intermediate bent plate (7), the fixed intermediate bent plate (7)
It is fixedly installed in PATENT left side via nut (6), it is curved that the axis of the linear motor (8) sequentially passes through linear motor bracket (9), sink
Nut (6) in plate (1), fixed intermediate bent plate (7), and the axis of the linear motor (8) and nut (6) are connected by screw thread
It connects；It is through-hole structure on the downside of the sink bent plate (1), the lower end of through-hole is sealed with sound passing membrane (23), formed for injecting ultrasound
The sink of coupling liquid；
Fixed intermediate bent plate (7) lower surface is provided with linear scan mechanism, and the linear scan mechanism includes and fixation
The intermediate (14) that intermediate bent plate (7) is fixedly connected, the intermediate (14) are internally provided with driver, the driver
Drive shaft is provided with gear (15)；Left rail (4), the left rail are provided in the internal lower-left side channel of the intermediate (14)
(4) left slider (5) moved in a straight line along it is provided on, the left slider (5) is connected with energy converter pedestal (21), described to change
Left tooth can be fixed on device pedestal (21) to usher to seat (3), the left tooth usher to seat (3) be provided with the left tooth band being meshed with gear (15)
(2), energy converter pedestal (21) bottom is connected with energy converter support (22), and energy converter support (22) bottom is provided with super
Sonic transducer, the ultrasonic transducer are located inside the sink of sink bent plate (1)；In the internal bottom right side channel of the intermediate (14)
It is provided with right guide rail (18), is provided with the right sliding block (17) moved in a straight line along it, the right sliding block on the right guide rail (18)
(17) be connected with clump weight (20), be fixed with right tooth on the clump weight (20) and usher to seat (19), the right tooth usher to seat (19) setting
There is the right tooth band (16) being meshed with gear (15).
2. ultrasonic skin 3-D scanning probe according to claim 1, which is characterized in that on the printed circuit board (11)
It is provided with transmitting and the receiving module of cable and external connection, the transmitting and the programmable logic device in receiving module
Control exomonental frequency.
3. ultrasonic skin 3-D scanning probe according to claim 1, which is characterized in that the linear motor (8) and drive
Dynamic device is connected with printed circuit board (11), transmitting and receiving module on the ultrasonic transducer and printed circuit board (11)
It is connected, the driver uses stepper motor or servo motor.
4. ultrasonic skin 3-D scanning probe according to claim 1, which is characterized in that the intermediate (14) is hollow
The quality of bilateral symmetry, the clump weight (20) is equal to energy converter pedestal (21), energy converter support (22), ultrasonic transducer
Gross mass.
5. ultrasonic skin 3-D scanning probe according to claim 1, which is characterized in that the linear motor (8) and spiral shell
Female (6) are connected by screw thread, under the cooperation of upper rail (13) and top shoe (12), ultrasonic transducer are driven to move left and right, real
The existing direction z scanning；When the drive shaft reciprocating rotation of intermediate (14) inner drive, gear (15), left rail (4), a left side
The rotation of drive shaft is changed into linear motion by sliding block (5), right sliding block (17), right guide rail (18), is driven energy converter pedestal (21)
It moves along a straight line along right guide rail (18) toward opposite direction along left rail (4) linear motion and clump weight (20), drives ultrasound
Energy converter front-rear reciprocation movement realizes the scanning of the direction y；It is controlled by the programmable logic device on the printed circuit board (11)
The movement timing of linear motor (8) and driver, to realize 3-D scanning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721691264.1U CN208640750U (en) | 2017-12-07 | 2017-12-07 | A kind of ultrasonic skin 3-D scanning probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721691264.1U CN208640750U (en) | 2017-12-07 | 2017-12-07 | A kind of ultrasonic skin 3-D scanning probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208640750U true CN208640750U (en) | 2019-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721691264.1U Expired - Fee Related CN208640750U (en) | 2017-12-07 | 2017-12-07 | A kind of ultrasonic skin 3-D scanning probe |
Country Status (1)
| Country | Link |
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| CN (1) | CN208640750U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107822661A (en) * | 2017-12-07 | 2018-03-23 | 中国医学科学院生物医学工程研究所 | A kind of ultrasonic skin 3-D scanning probe |
-
2017
- 2017-12-07 CN CN201721691264.1U patent/CN208640750U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107822661A (en) * | 2017-12-07 | 2018-03-23 | 中国医学科学院生物医学工程研究所 | A kind of ultrasonic skin 3-D scanning probe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 Termination date: 20191207 |