CN101664322A - Ultrasonic treatment transducer device with phase control structure - Google Patents
Ultrasonic treatment transducer device with phase control structure Download PDFInfo
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- CN101664322A CN101664322A CN200910307905A CN200910307905A CN101664322A CN 101664322 A CN101664322 A CN 101664322A CN 200910307905 A CN200910307905 A CN 200910307905A CN 200910307905 A CN200910307905 A CN 200910307905A CN 101664322 A CN101664322 A CN 101664322A
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- ultrasonic treatment
- piezoelectric chip
- phase control
- transducer device
- control structure
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Abstract
The invention discloses an ultrasonic treatment transducer device with a phase control structure, relating to a transducer component on ultrasonic treatment equipment and aiming at providing an ultrasonic treatment transducer device with the phase control structure which can realize multiple phase control input on a same piezoelectric chip and carry out focused processing. The adopted technical scheme is as follows: the ultrasonic treatment transducer device comprises a shell with an upper through hole and a lower through hole at the middle part thereof and a focused acoustic lens positioned on upper end of the shell; the bottom surface of the focused acoustic lens is bonded with a ring-shaped piezoelectric chip which is connected with an outer control device by cables and a power line socket, wherein the piezoelectric chip can be divided into a plurality of split electrode surfaces with various shapes by film bases; and an outer signal is transmitted to the piezoelectric chip, the acoustic energy of the piezoelectric chip is output by the focused acoustic lens, and a focused point with high energy is formed by focusing, thus achieving the purpose of operation. The ultrasonic treatment transducer device is mainly applied to the transducer in the ultrasonic treatment device.
Description
Technical field
The present invention relates to the transducer assemblies on a kind of ultrasonic therapeutic apparatus, particularly relate to a kind of ultrasonic treatment transducer device of on the piezoelectric chip of single plane, realizing the phase control structure of phased frame mode.
Background technology
The critical component of ultrasonic therapeutic apparatus is a focused transducer, and its version is directly connected to the variation of the size and the form of ultrasound wave focus point.What existing focused transducer adopted basically is self-focusing (concave surface) piezoelectric chip, and plane piezoelectric chip or many array element (by a plurality of small-sized planes or concave surface piezoelectric chip) realize focusing on by bonding acoustic lens, form the power ultrasonic with treatment energy.Self-focusing (concave surface) piezoelectric chip transducer cost of manufacture height, fragile, can't make the focused transducer of larger caliber, easy skin ambustion in the therapeutic process is difficult for realizing mass production.The plane piezoelectric chip bore of Shi Yonging also only has 12cm in the market, pass through sound lens focusing, when power ultrasonic acts on patient tumors treatment passage skin surface, make the treatment power ultrasonic energy of patient treatment passage skin surface on unit are excessive, easily skin ambustion.The process structure mode of many array element transducer (by a plurality of small-sized planes or the bonding acoustic lens of concave surface piezoelectric chip) has just determined that its focusing form is bad, can not produce high-octane treatment power ultrasonic, can't reach national regulation-requirement of 6dB sound field touchstone index.
Summary of the invention
The purpose of this invention is to provide a kind of ultrasonic treatment transducer device that can on same piezoelectric chip, realize multiple phased input and focus on the phase control structure of handling.
The objective of the invention is to realize: a kind of ultrasonic treatment transducer device of phase control structure by following technical proposal, the housing that comprises cylindrical shape, the radial middle part of housing is the hollow-core construction of last lower through-hole, housing comprises shell, inner shell and bottom surface, shell, inner shell and bottom surface form the groove structure of a upper end open together, the upper end of shell and inner shell is connected with the focusing acoustic lens of the annulus concavees lens shape of a center drilling, a side that focuses on the depression of acoustic lens is connected with inner shell, opposite side is connected with shell, shell, inner shell, bottom surface and focusing acoustic lens form the hollow structure inside of a sealing together, be bonded with a cyclic piezoelectric chip by epoxy glue on the bottom surface of focusing acoustic lens with sound translative performance, the two poles of the earth of piezoelectric chip are connected with the power line socket by cable, and the power line socket is detachably connected on the bottom surface.
Described cyclic piezoelectric chip is divided into a plurality of electrode surfaces of cutting apart by a plurality of bases, and wherein each the two poles of the earth of cutting apart electrode surface is connected with the power line socket by cable.
Described base is along the electrode surface of cutting apart that radially piezoelectric chip is divided into a plurality of five equilibriums of cyclic piezoelectric chip.
Described base is ring-type, and cyclic piezoelectric chip is divided into a plurality of cyclic electrode surfaces of cutting apart by the sheet base.
Described a plurality of electrode surface of cutting apart can move simultaneously, also can be that wherein a part is cut apart the electrode surface isolated operation.
The diameter of described focusing acoustic lens is greater than 12 centimetres.
The diameter of described focusing acoustic lens is 17 centimetres.
Described base can be ceramic body.
From above-mentioned feature of the present invention as can be seen, the invention has the advantages that: on same piezoelectric chip, realized multiple phased array output, had the good consistent characteristic of single piezoelectric chip, and pass through sound lens focusing, it is good to have the focus form, the advantage that energy is big; Frame mode of the present invention can allow to adopt bigbore ring piezoelectric wafer, make the diameter that focuses on acoustic lens or perhaps this device reach 17 centimetres, and in the process of operation, the increase of power ultrasonic angle of incidence, reduced the ultrasonic energy that the treatment power ultrasonic acts on the skin surface unit are, thereby avoided burning skin; Bigger in addition endoporus can satisfy the needs of the B ultrasonic diagnostic probe that multiple class is installed; While, as can be seen, power line socket of the present invention was a demountable structure, can change various transducer apparatus according to the needs of different focal on the structure of device of the present invention.
Description of drawings
The present invention will illustrate by embodiment and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is a structure cross-sectional schematic of the present invention
Fig. 2 is the sketch map of wherein a kind of structure of piezoelectric chip of the present invention
Fig. 3 is the sketch map of the another kind of structure of piezoelectric chip of the present invention
Wherein Reference numeral 1 is that housing 2 is that shell 3 is that inner shell 4 is bottom surfaces
The 5th, focusing on acoustic lens 6 is that piezoelectric chip 7 is that electrode 8 is cables
The 9th, power line socket 10 is that sheet base 11 is to cut apart electrode surface
The specific embodiment
The present invention is described further below in conjunction with accompanying drawing:
Preferred embodiment
As Fig. 1, the ultrasonic treatment transducer device of Fig. 2 and a kind of phase control structure shown in Figure 3, the housing 1 that comprises cylindrical shape, housing 1 radial middle part is the hollow-core construction of last lower through-hole, housing 1 comprises shell 2, inner shell 3 and bottom surface 4, shell 2, inner shell 3 and bottom surface 4 form the groove structure of a upper end open together, the upper end of shell 2 and inner shell 3 is connected with the focusing acoustic lens 5 of the annulus concavees lens shape of a center drilling, a side that focuses on the depression of acoustic lens 5 is connected with inner shell 3, opposite side is connected with shell 2, shell 2, inner shell 3, bottom surface 4 and focusing acoustic lens 5 form the hollow structure inside of a sealing together, be bonded with a cyclic piezoelectric chip 6 by epoxy glue on the bottom surface of focusing acoustic lens 5 with good sound translative performance, two electrodes 7 of piezoelectric chip 6 are connected with power line socket 9 by cable 8, and power line socket 9 is detachably connected on the bottom surface 4.
In order to make the present invention reach various novel phased, get final product so that piezoelectric chip 6 is worked according to single array element pattern, also can carry out work according to the multiple integrated mode of many arrays phased array, at piezoelectric chip 6 of the present invention, can be with its structure optimization: piezoelectric chip 6 be divided into a plurality of electrode surfaces 11 of cutting apart by a plurality of bases 10, wherein each two electrode 7 of cutting apart electrode surface 11 is connected with power line socket 9 by cable 8, wherein sheet base 10 can be that ceramic body or other materials similar are made, be used for piezoelectric chip 6 is divided into a plurality of electrode surfaces 11 of cutting apart, make and respectively cut apart electrode surface 11 isolated operations.
As the structure of more optimizing or according to different needs, piezoelectric chip 6 can be divided into different shape by sheet base 10, such as: described base 10 along cyclic piezoelectric chip 6 radially piezoelectric chip 6 is divided into a plurality of five equilibriums cut apart electrode surface 11; Described base 10 is ring-type, and cyclic piezoelectric chip 6 is divided into a plurality of cyclic electrode surfaces 11 of cutting apart by sheet base 10, can also be divided into other shape certainly as required.
In the process of the present invention's operation; it mainly is each isolated operation and combined running of cutting apart electrode surface; reach the focusing of different modes; to satisfy the needs of different ultrasonic passages; protect patient's safety to greatest extent; that is to say that each is cut apart electrode surface 11 and can move simultaneously, also can be that wherein a part is cut apart electrode surface 11 isolated operations.
In addition, since the transducer apparatus in the middle of the prior art since piezoelectric chip be provided with unreasonable or technical conditions do not reach requirement, so the maximum that its integral diameter can be accomplished is about 12 centimetres, can't accomplish bigger, so, when its power ultrasonic acts on patient's skin surface, cause the treatment power ultrasonic energy on the unit are excessive by behind the sound lens focusing, easy skin ambustion, this problem are the insurmountable problems of transducer apparatus in the middle of the prior art.The present invention is by after being improved the structure of piezoelectric chip, the diameter of transducer apparatus can be reached more than 12 centimetres, to reach better effect, after through continuous experiment, discovery is controlled at transducer diameter of the present invention about 17 centimetres, and its operational effect is more satisfactory.
Work process of the present invention can be described as: by the external control device needed signal is transferred to piezoelectric chip by power line socket and cable, piezoelectric chip is bonding by epoxy glue with the focusing acoustic lens, because epoxy glue has good sound translative performance and anti-ultrasonic vibration and ballistic performance (can buy sound translative performance and anti-ultrasonic vibration and the better epoxy glue of impact property on the existing market), the acoustic energy of piezoelectric chip is through focusing on acoustic lens output like this, thereby and focuses on to become and have the purpose that high-octane focus point reaches operation.
Disclosed all features in this description except mutually exclusive feature, all can make up by any way.
Disclosed arbitrary feature in this description (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the ultrasonic treatment transducer device of a phase control structure, the housing (1) that comprises cylindrical shape, the radial middle part of housing (1) is the hollow-core construction of last lower through-hole, housing (1) comprises shell (2), inner shell (3) and bottom surface (4), shell (2), inner shell (3) and bottom surface (4) form the groove structure of a upper end open together, it is characterized in that the upper end of shell (2) and inner shell (3) is connected with the focusing acoustic lens (5) of the annulus concavees lens shape of a center drilling, a side that focuses on the depression of acoustic lens (5) is connected with inner shell (3), opposite side is connected with shell (2), shell (2), inner shell (3), bottom surface (4) and focusing acoustic lens (5) form the hollow structure inside of a sealing together, be bonded with a cyclic piezoelectric chip (6) by epoxy glue on the bottom surface of focusing acoustic lens (5) with sound translative performance, two electrodes (7) of piezoelectric chip (6) are connected with power line socket (9) by cable (8), and power line socket (9) is detachably connected on the bottom surface (4).
2. the ultrasonic treatment transducer device of a kind of phase control structure according to claim 1, it is characterized in that described cyclic piezoelectric chip (6) is divided into a plurality of electrode surfaces (11) of cutting apart by a plurality of bases (10), wherein each two electrode (7) of cutting apart electrode surface (11) is connected with power line socket (9) by cable (8).
3. the ultrasonic treatment transducer device of a kind of phase control structure according to claim 2, it is characterized in that described base (10) along cyclic piezoelectric chip (6) radially piezoelectric chip (6) is divided into a plurality of five equilibriums cut apart electrode surface (11).
4. the ultrasonic treatment transducer device of a kind of phase control structure according to claim 2 is characterized in that described base (10) is ring-type, and cyclic piezoelectric chip (6) is divided into a plurality of cyclic electrode surfaces (11) of cutting apart by sheet base (10).
5. according to the ultrasonic treatment transducer device of claim 2 or 3 or 4 one of them described a kind of phase control structure, it is characterized in that described a plurality of electrode surface (11) of cutting apart can move simultaneously, also can be that wherein a part is cut apart electrode surface (11) isolated operation.
6. according to the ultrasonic treatment transducer device of claim 1 or 2 or 3 or 4 one of them described a kind of phase control structure, the diameter that it is characterized in that described focusing acoustic lens (5) is greater than 12 centimetres.
7. the ultrasonic treatment transducer device of a kind of phase control structure according to claim 5, the diameter that it is characterized in that described focusing acoustic lens (5) is 17 centimetres.
8. according to the ultrasonic treatment transducer device of claim 2 or 3 or 4 one of them described a kind of phase control structure, it is characterized in that described base (10) can be ceramic body.
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| CN200910307905A CN101664322A (en) | 2009-09-29 | 2009-09-29 | Ultrasonic treatment transducer device with phase control structure |
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| CN200910307905A CN101664322A (en) | 2009-09-29 | 2009-09-29 | Ultrasonic treatment transducer device with phase control structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344706A (en) * | 2013-06-26 | 2013-10-09 | 哈尔滨工业大学 | Design method for linear array phased array probe |
| CN103841897A (en) * | 2011-09-30 | 2014-06-04 | 索尼公司 | Signal processing device and method, recording medium, and program |
| CN105848717A (en) * | 2013-12-23 | 2016-08-10 | 泰拉克利昂公司 | Method for operating a device for treatment of a tissue and device for treatment of a tissue |
| CN107411773A (en) * | 2017-05-25 | 2017-12-01 | 苏州乐步生物科技有限公司 | A kind of novel Doppler probe |
| CN112214926A (en) * | 2020-09-21 | 2021-01-12 | 南京大学 | Annular ultrasonic transducer with ultrasonic structure surface acoustic lens and optimization design method |
| CN114587417A (en) * | 2021-11-26 | 2022-06-07 | 深圳先进技术研究院 | Catheter sheath and imaging device |
-
2009
- 2009-09-29 CN CN200910307905A patent/CN101664322A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103841897A (en) * | 2011-09-30 | 2014-06-04 | 索尼公司 | Signal processing device and method, recording medium, and program |
| CN103344706A (en) * | 2013-06-26 | 2013-10-09 | 哈尔滨工业大学 | Design method for linear array phased array probe |
| CN105848717A (en) * | 2013-12-23 | 2016-08-10 | 泰拉克利昂公司 | Method for operating a device for treatment of a tissue and device for treatment of a tissue |
| CN105848717B (en) * | 2013-12-23 | 2019-01-18 | 泰拉克利昂公司 | Method for handling the device of tissue and for operating the device |
| CN107411773A (en) * | 2017-05-25 | 2017-12-01 | 苏州乐步生物科技有限公司 | A kind of novel Doppler probe |
| CN112214926A (en) * | 2020-09-21 | 2021-01-12 | 南京大学 | Annular ultrasonic transducer with ultrasonic structure surface acoustic lens and optimization design method |
| CN114587417A (en) * | 2021-11-26 | 2022-06-07 | 深圳先进技术研究院 | Catheter sheath and imaging device |
| CN114587417B (en) * | 2021-11-26 | 2022-11-25 | 深圳先进技术研究院 | Catheter sheath and imaging device |
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Open date: 20100310 |