CN2572998Y - Multi-frequency zoom bulk ultrasonic therapeutic focussing device - Google Patents
Multi-frequency zoom bulk ultrasonic therapeutic focussing device Download PDFInfo
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- CN2572998Y CN2572998Y CN 02222881 CN02222881U CN2572998Y CN 2572998 Y CN2572998 Y CN 2572998Y CN 02222881 CN02222881 CN 02222881 CN 02222881 U CN02222881 U CN 02222881U CN 2572998 Y CN2572998 Y CN 2572998Y
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Abstract
The utility model relates to a multi-frequency ultrasonic therapeutic focusing device with a zooming body. The inner side end surface of a metal circular disc (1) is a smooth paraboloid (4), and a plurality of piezoelectric ceramic wafers (8) are fixedly connected to the outer side end surface (3) of the metal circular disc, wherein, the wafers (8) are positioned on at least one concentric circles which take the axle center of the metal circular disc (1) as the center of a circle, and a plurality of the concentric circles have different radii. Ultrasonic waves produced by the wafers (8) can be refracted by the paraboloid (4), and can focus on the axle wire of the paraboloid (4). The wafers (8) on circular rings have different focusing radii and self-natural frequencies, and a focusing body (5) which is composed of at least one focusing point (6) can be formed on the axle wire of the paraboloid. The piezoelectric ceramic wafers (8) are connected with a control device.
Description
Technical field:
This utility model is relevant with the ultrasonic therapeutic focusing arrangement on the armarium for the treatment of diseases such as tumor.
Technical background:
In the high-tech armarium that is used for the treatment of diseases such as tumor, gamma knife is wherein the most frequently used a kind of, its principle is to utilize gamma-rays to focus on people's internal lesions is carried out radiation therapy, kills cancerous cell or other lesion tissue, has the characteristics of healthy cell on every side of not damaging.But the anoxic cell in the tumor is insensitive to gamma-rays.Medical experiment shows that the anoxic cell in the tumor can be by supersonic killing.
More existing high strength supersonic focus cuttves can only produce single focus and single frequency at present, and the intensity that focuses on is unadjustable.The therapeutic domain of single focus is little, can make the time lengthening of treatment.And different lesion tissue is to the ultrasound wave sensitivity of different frequency, and the ultrasound wave of single-frequency is difficult to satisfy multiple treatment of diseases needs;
The utility model content:
The purpose of this utility model provides a kind of shape and variable range that focuses on body, and intensity is adjustable, the varifocal body ultrasonic therapeutic of the multi-frequency of optional frequency focusing arrangement.
This utility model is achieved in that
The varifocal body ultrasonic therapeutic of this utility model multi-frequency focusing arrangement, the inboard end face that it is characterized in that dish (1) is smooth parabola (4), be fixed with some piezoelectric ceramic wafers (8) on the outside end face (3), the axle center that wafer (8) is positioned at dish (1) is at least one concentric circular in the center of circle, the ultrasound wave that wafer (8) produces is via parabolic (4) refraction, axis in parabolic (4) focuses on, the focused radius of the wafer on each annulus (8) is different with self natural frequency, form the focusing body (5) that at least one focus point (6) is formed on paraboloidal axis, piezoelectric ceramic wafer (8) is connected with control device.
The outside end face (3) of dish (1) is the plane, have the blind hole (2) of some radially ordered arrangement, the axis of blind hole (2) is parallel with the axis of parabolic (4), the axle center that blind hole (2) is positioned at parabolic (4) is at least one concentric circular in the center of circle, and blind hole (2) internal fixation has piezoelectric ceramic wafer (8).
The center that blind hole (2) and wafer (8) are positioned at dish (1) outside end face (3) is that wafer (8) is bonded in the cecum of blind hole (2) on the concentric circular of three different radiis in the center of circle by viscose glue (7).
Wafer (8) on the different concentric circulars and the wafer (8) on the same concentric circular can be in different conditions under the control of control device, on the axis of dish (1), form the focusing body (5) that 1-3 focus point (6) formed, and the frequency difference of each focus, intensity is adjustable.
Rosette (1) is connected with corrugated tube (12) end sealing, the bottom of corrugated tube (12) and water tank (14) bottom are tightly connected, the human body (10) that the top end opening of water tank (14) is received treatment, the inboard parabolic surface of rosette (4) is positioned at water tank (14) not to be had by water logging, outside end face (3) is isolated with water (11), disk (1) is connected with coupling spindle (13), and axle (13) is connected with mechanical driving device.
The inboard end face of wafer (8) is a curved surface, and dish (1) is made of several wafers (8), and the parabola (4) of dish (1) is made of the curved surface of wafer (8).
This utility model has following actively useful effect;
(1) produce the variable focus body that 1~3 focus point is formed, the shape and the intensity that focus on body are adjustable, not only can guarantee effectiveness for the treatment of but also the ability to bear that can take into account patient body, have increased the treatment motility.
(2) focus on optional frequency, applicable to different lesion tissue.
(3) rosette can be connected mutually with five coordinate mechanical driving devices; except can doing x, y, the three-dimensional translation of z; can also be around x, y direction rotary oscillation; can offer execute art the doctor with more treatment angle, orientation; make health tissues in therapeutic process, be subjected to maximum protection; avoid the health of turning patient, guaranteed the seriality of treatment.
(4) this device can strengthen effect, the raising curative effect of killing the anoxic cell in tumor or other focuses.
(5) compare with x cutter, γ cutter, this device does not have lonizing radiation to pollute, and is safe in utilization;
(6) this device production, operation, maintenance cost are all lower.
Description of drawings:
Fig. 1 is the outer side view of rosette.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the mounting structure partial enlarged drawing of piezoelectric ceramic wafer.
Fig. 4 is a user mode embodiment sketch map of the present utility model.
The tool present embodiment:
Please refer to Fig. 1 Fig. 2, this utility model is a kind of multi-frequency of high intensity ultrasound treatment tumor, varifocal body, five coordinate focus ultrasonic devices, but be connected in the lathe bed 9 of system of tumor treatment with demolition, with clinical needs, can be positioned at the upper and lower, left and right side of human body, front and back position, and drive the space make three-dimensional x, y, z direction by mechanical driving device and move, reach rotary oscillation around x and y direction, this utility model does not relate to the complete machine of therapy system, only relates to and the matching used focus ultrasonic device of complete machine.
Described focus ultrasonic device main body is a rosette 1, the inboard end face of this disk is smooth parabolic 4, outside end face is plane 3, has the circular blind hole 2 of some radially ordered arrangement on the outside of disk end face 3, and the axis of each circular blind hole is parallel with the axis of rosette.Paste on the cecum in the circular hole and be fixed with circular piezoelectric ceramic wafer 8 (with reference to Fig. 3), piezoelectric ceramic wafer is as ultrasonic radiator, the ultrasound wave that it produces is via parabolic 4 refractions, to paraboloidal axis, focus on, piezoelectric ceramic wafer is in the outside of disk end face is arranged in, in, outer three donuts, the focused radius of piezoelectric ceramic wafer is different with self natural frequency on the different annular, the ultrasound wave that can obtain focus point 6 compositions of three different frequency diverse locations thus focuses on body 5, the focus strength of each focus can be regulated by the quantity that controls the break-make of piezoelectric ceramic wafer on the same annulus, turn-offs piezoelectric ceramic wafers all on certain annulus and just means that the focus of certain frequency and focused radius do not work fully.The intensity that realizes burnt body thus is adjustable, shape is adjustable, optional frequency;
With reference to Fig. 3, described piezoelectric ceramic wafer 8 is bonded in the cecum of blind hole 2 by viscose glue 7.
With reference to Fig. 4, rosette 1 is sealedly connected on flexible bellow 12 tops, corrugated tube 12 bottom end seal are installed in the tapping of water tank 14 bottoms, and the human body 10 that the top end opening of water tank 14 is received treatment, the inboard parabolic surface 4 of rosette is positioned at water tank 14, by water 11 submergences, 3 of outside planar ends are positioned at corrugated tube 12, isolate fully with water 11.Disk 1 is fixedly connected by a coupling spindle 13 and mechanical driving device.Corrugated tube 12 airtight waterproofs and flexible splendid make that rosette 1 can move in water tank 14 the insides freely, rotation under the drive of coupling spindle 13, adjust to best treatment orientation and angle.
The material of described rosette 1 is an aluminium alloy.Corrugated tube 12 is made for the flexible insulation waterproof material.
Claims (6)
1, the varifocal body ultrasonic therapeutic of a kind of multi-frequency focusing arrangement, the inboard end face that it is characterized in that dish (1) is smooth parabola (4), be fixed with some piezoelectric ceramic wafers (8) on the outside end face (3), the axle center that wafer (8) is positioned at dish (1) is at least one concentric circular in the center of circle, the ultrasound wave that wafer (8) produces is via parabolic (4) refraction, axis in parabolic (4) focuses on, the focused radius of the wafer on each annulus (8) is different with self natural frequency, form the focusing body (5) that at least one focus point (6) is formed on paraboloidal axis, piezoelectric ceramic wafer (8) is connected with control device.
2, focusing arrangement according to claim 1, the outside end face (3) that it is characterized in that dish (1) is the plane, have the blind hole (2) of some radially ordered arrangement, the axis of blind hole (2) is parallel with the axis of parabolic (4), the axle center that blind hole (2) is positioned at parabolic (4) is at least one concentric circular in the center of circle, a plurality of concentrically ringed radius differences, blind hole (2) internal fixation has piezoelectric ceramic wafer (8).
3, focusing arrangement according to claim 1 and 2, it is characterized in that the center that blind hole (2) and wafer (8) are positioned at dish (1) outside end face (3) is that wafer (8) is bonded in the cecum of blind hole (2) on the concentric circular of three different radiis in the center of circle by viscose glue (7).
4, focusing arrangement according to claim 1 and 2, it is characterized in that wafer (8) on the different concentric circulars and the wafer (8) on the same concentric circular can be in different conditions under the control of control device, on the axis of dish (1), form the focusing body (5) that 1-3 focus point (6) formed, and the frequency difference of each focus, intensity is adjustable.
5, focusing arrangement according to claim 1 and 2, it is characterized in that rosette (1) is connected with corrugated tube (12) end sealing, the bottom of corrugated tube (12) and water tank (14) bottom are tightly connected, the human body (10) that the top end opening of water tank (14) is received treatment, the inboard parabolic surface of rosette (4) is positioned at water tank (14) not to be had by water logging, outside end face (3) is isolated with water (11), and disk (1) is connected with coupling spindle (13), and axle (13) is connected with mechanical driving device.
6, focusing arrangement according to claim 1 and 2, the inboard end face that it is characterized in that wafer (8) is a curved surface, and dish (1) is made of several wafers (8), and the parabola (4) of dish (1) is made of the curved surface of wafer (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 02222881 CN2572998Y (en) | 2002-06-10 | 2002-06-10 | Multi-frequency zoom bulk ultrasonic therapeutic focussing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 02222881 CN2572998Y (en) | 2002-06-10 | 2002-06-10 | Multi-frequency zoom bulk ultrasonic therapeutic focussing device |
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CN2572998Y true CN2572998Y (en) | 2003-09-17 |
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CN 02222881 Expired - Fee Related CN2572998Y (en) | 2002-06-10 | 2002-06-10 | Multi-frequency zoom bulk ultrasonic therapeutic focussing device |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100529945C (en) * | 2004-12-17 | 2009-08-19 | 鸿富锦精密工业(深圳)有限公司 | Automatic focusing device |
CN101357252B (en) * | 2007-08-01 | 2013-01-30 | 重庆融海超声医学工程研究中心有限公司 | Ultrasonic sweep-frequency treating device |
CN105139847A (en) * | 2015-08-14 | 2015-12-09 | 东南大学 | Enhanced acoustic focusing device |
CN105999569A (en) * | 2016-05-04 | 2016-10-12 | 中国科学院深圳先进技术研究院 | Multi-element transducer element selection device and method and ultrasonic stimulation system |
WO2019119520A1 (en) * | 2017-12-22 | 2019-06-27 | 深圳先进技术研究院 | Planar lens and manufacturing method for planar lens |
-
2002
- 2002-06-10 CN CN 02222881 patent/CN2572998Y/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100529945C (en) * | 2004-12-17 | 2009-08-19 | 鸿富锦精密工业(深圳)有限公司 | Automatic focusing device |
CN101357252B (en) * | 2007-08-01 | 2013-01-30 | 重庆融海超声医学工程研究中心有限公司 | Ultrasonic sweep-frequency treating device |
CN105139847A (en) * | 2015-08-14 | 2015-12-09 | 东南大学 | Enhanced acoustic focusing device |
CN105139847B (en) * | 2015-08-14 | 2018-10-02 | 东南大学 | A kind of Acoustic focusing device of enhancing |
CN105999569A (en) * | 2016-05-04 | 2016-10-12 | 中国科学院深圳先进技术研究院 | Multi-element transducer element selection device and method and ultrasonic stimulation system |
CN105999569B (en) * | 2016-05-04 | 2019-03-12 | 中国科学院深圳先进技术研究院 | A kind of array element selection device of more element transducers, method and ultrasound stimulation system |
WO2019119520A1 (en) * | 2017-12-22 | 2019-06-27 | 深圳先进技术研究院 | Planar lens and manufacturing method for planar lens |
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C14 | Grant of patent or utility model | ||
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C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |