CN2572998Y - Multi-frequency zoom bulk ultrasonic therapeutic focussing device - Google Patents

Multi-frequency zoom bulk ultrasonic therapeutic focussing device Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
wafer
dish
focusing
face
blind hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 02222881
Other languages
Chinese (zh)
Inventor
黄大贵
张列平
葛森
吴献钢
崔庆林
李辉
武好明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Electronic Science and Technology of China
Original Assignee
University of Electronic Science and Technology of China
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of Electronic Science and Technology of China filed Critical University of Electronic Science and Technology of China
Priority to CN 02222881 priority Critical patent/CN2572998Y/en
Application granted granted Critical
Publication of CN2572998Y publication Critical patent/CN2572998Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Surgical Instruments (AREA)

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

The varifocal body ultrasonic therapeutic of multi-frequency focusing arrangement
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).
CN 02222881 2002-06-10 2002-06-10 Multi-frequency zoom bulk ultrasonic therapeutic focussing device Expired - Fee Related CN2572998Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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
CN 02222881 CN2572998Y (en) 2002-06-10 2002-06-10 Multi-frequency zoom bulk ultrasonic therapeutic focussing device

Publications (1)

Publication Number Publication Date
CN2572998Y true CN2572998Y (en) 2003-09-17

Family

ID=33700699

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 02222881 Expired - Fee Related CN2572998Y (en) 2002-06-10 2002-06-10 Multi-frequency zoom bulk ultrasonic therapeutic focussing device

Country Status (1)

Country Link
CN (1) CN2572998Y (en)

Cited By (5)

* Cited by examiner, † Cited by third party
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

Cited By (7)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN2460061Y (en) Multi-focal rotary ultrosonic focusing device for high intensity ultrosonic therapying tumor
US8162858B2 (en) Ultrasonic medical treatment device with variable focal zone
CN1294881C (en) Systems and methods for reducing secondary hot spots in a phased array focused ultrasound system
CN107580474B (en) Deformable ultrasound array and system
CN1169588C (en) Extenal high-energy focusing ultrasonic treating apparatus
US6554826B1 (en) Electro-dynamic phased array lens for controlling acoustic wave propagation
CN209499886U (en) A kind of focused ultrasonic treating head
WO2016134581A1 (en) Dual-frequency confocal superimposed focused ultrasonic spherical splitting array and control method for splitting focus points
CN107073290B (en) Ultrasonic wave sleeve and the ultrasonic therapeutic head for utilizing it
CN1444491A (en) Systems and methods for creating longer necrosed volumes using phased array focused ultrasound system
CN2572998Y (en) Multi-frequency zoom bulk ultrasonic therapeutic focussing device
CN1903390A (en) MRI guiding high intensity focusing ultrasonic therapeutic system
KR20110074326A (en) High-intensity focused ultrasound treatment system
CN106964083A (en) A kind of hyperboloid strip power ultrasonic device with central rotation imaging probe
CN1073453C (en) In vitro supersonic therapeutical instrument for medical purpose
CN201316486Y (en) Ultrasonic dual-frequency whole body sono-dynamic therapy system
CN207429523U (en) A kind of multi-emitting cell array distributed power Vltrasonic device with central rotation imaging probe
CN1289162C (en) Variable focus body high energy concentrating ultrasonic tumor therapy system
CN207429524U (en) A kind of multi-emitting cell array distributed power Vltrasonic device with center translation imaging probe
CN221130754U (en) Focused ultrasound treatment couch
CN1260217A (en) Supersonic therapeutic device for tumor
CN208339942U (en) A kind of rectangular array distributed power Vltrasonic device
CN209154914U (en) A kind of compound bifocus focused transducer
CN213076068U (en) Ultrasonic-guided high-intensity focused ultrasound experimental device for small animals
CN106975166A (en) A kind of multi-emitting cell array distributed power Vltrasonic device with central rotation imaging probe

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
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