CN203598377U - High intensity focused ultrasound generating device for generating bar-shaped focus area with combination of mechanical and phased array - Google Patents
High intensity focused ultrasound generating device for generating bar-shaped focus area with combination of mechanical and phased array Download PDFInfo
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- CN203598377U CN203598377U CN201320804346.8U CN201320804346U CN203598377U CN 203598377 U CN203598377 U CN 203598377U CN 201320804346 U CN201320804346 U CN 201320804346U CN 203598377 U CN203598377 U CN 203598377U
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Abstract
The utility model relates to a high intensity focused ultrasound generating device for generating a bar-shaped focus area with combination of a mechanical and phased array. The device comprises a trigger signal generation module, a phased array time-delay generation module, a power amplification module, a matching circuit, an ultrasonic transducer and a power supply module. The trigger signal generation module is connected with the phased array time-delay generation module via a signal line. The phased array time-delay generation module is connected with the power amplification module which is connected with the ultrasonic transducer via the matching circuit. The power supply module is respectively connected with all components and supplies working power to electronic elements and parts of all the components and supplies driving power to the power amplification module simultaneously. The bar-shaped focus area can be formed by the focused ultrasound emitted by the device. Single treatment position of the bar-shaped focus area can cover more target areas than that of a conventional point-shaped focus area does without generation of obvious overflow on edges of areas under treatment so that treatment range of the single treatment position is enlarged and time required for treatment is shortened on the whole.
Description
[technical field]
This utility model relates to a kind of combination machinery and produces the high intensity focused ultrasound generation equipment in the burnt territory of bar shaped with phased array, for the thermotherapy method of therapeutic treatment, and mainly for the entirety such as blood vessel, thigh bone, arm bone or the local area for treatment that is strip, this utility model relates to medical ultrasound treatment field and belongs to medical ultrasound treatment field.
[background technology]
As everyone knows, sound wave is a kind of mechanical wave, can see through people energy body is delivered to inside of human body.Ultrasound wave is the sound wave of a kind of frequency more than 20,000 hertz, has good direction of propagation property, is widely used in medical diagnosis and treatment field.
High intensity focused ultrasound (High Intensity Focused Ultrasound), it is a kind of method that ultrasonic energy is assembled in specific region in human body, in this region, formation temperature raises, thereby affects the character of this place's tissue, reaches the effect for the treatment of disease.Place outside focal zone, because ultrasound wave is not assembled, energy density is very low and can formation temperature height, can not cause damage by normal tissue.
Due to high intensity focused ultrasound take be equipment outside human body, by the mode of sound wave transferring energy, in therapeutic process, human body is not had to wound, be a kind of emerging noinvasive medical procedure, be subject to doctor and patient's welcome.This kind of Therapeutic Method obtained a lot of application in fields such as tumor, gynecological, calculus, and obtained good effect.
Ultrasonic transducer (Ultrasonic Transducer), it is a kind of device that utilizes piezoelectric electric flux to be become to acoustic energy, by self shape or additional acoustic lens mode of excess sound pressure electric material, the ultrasound wave of generation can be gathered together, form a focal zone.The shape of focal zone, relevant in conjunction with the shape forming with shape or the additional acoustic lens of piezoelectric.
Traditional high intensity focused ultrasound equipment, generally adopts symmetrical ultrasonic transducer, forms point-like focal zone.Such focal zone has good universality in treatment, just can will all need area for treatment all to cover by the mode of mobile focus point.But for the entirety such as blood vessel, thigh bone, arm bone or the local area for treatment that is strip, the focal zone of point-like needs pointwise to cover region to be treated, and the used time is longer, and patient need stand longer treatment time.Because patient in therapeutic process need keep same attitude always, longer treatment time brings the discomfort on health to patient, has also affected the utilization ratio of equipment simultaneously.
Be the particular case of strip for region to be treated, can focal zone be become to bar-shaped zone by the mode that changes ultrasonic transducer shape, expand the scope of single treatment position, thereby shorten the total treatment time under particular treatment mode, alleviate patient's uncomfortable situation.Meanwhile, because region to be treated and focal zone are to be all bar shaped, can not cause obvious spillover at edges of regions to be treated place, reduce the damage to normal surrounding tissue.
[utility model content]
The purpose of this utility model is: the ultrasonic transducer that utilizes given shape, form the focus ultrasonic region of bar shaped, be the particular treatment region of strip for blood vessel, thigh bone, arm bone etc., expand the scope of single treatment position, thereby shorten between total treatment, alleviate patient uncomfortable because of what keep for a long time same attitude to cause in therapeutic process.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of combination machinery described in the utility model produces the high intensity focused ultrasound generation equipment in the burnt territory of bar shaped with phased array, comprise triggering signal generation module, time-delay for phased array generation module, power amplifier module, match circuit, ultrasonic transducer and power module, triggering signal generation module is connected with time-delay for phased array generation module by holding wire, time-delay for phased array generation module is connected with power amplifier module, power amplifier module is connected with ultrasonic transducer by match circuit, power module is connected with each parts respectively, when providing working power for the electronic devices and components of each parts for power amplifier module provides driving power.
In this utility model: described ultrasonic transducer is by piezoelectric casting and cuts into several primitives.
In this utility model: described ultrasonic transducer is to be combined into by acoustic lens and piezoelectric, and wherein said piezoelectric is cut into several primitives.
In this utility model: the end face of described ultrasonic transducer is curve form, the length of end face is Y, the width of end face is X, end face is plane and the mode that adopts phased array electron focusing along Y direction, be curved surface and the mode that adopts frame for movement focusing along X-direction, in Y direction in order to the primitive number that forms phased array for being more than or equal to 2, wherein Y>X, and Y/X>1.
In this utility model: when described power amplifier module carries out power amplification to each paths, adopt identical power amplification ratio or adopt different power amplification ratios, and interchannel magnification ratio can combine in any proportion.
Adopt after said structure, this utility model beneficial effect is: the focus supersonic of its transmitting of this utility model can form the focal zone of a bar shaped, in medical ultrasound treatment field, face such as blood vessel, lower limb bone, when arm bone etc. is the position to be treated of strip, the focal zone of bar shaped can cover more multiple target region and can not cause in edge than traditional point-like focal zone and significantly overflow, expand the therapeutic domain of single treatment site, thereby shorten on the whole treatment required time, alleviate the misery of patient because keeping for a long time same figure to cause.
[accompanying drawing explanation]
Accompanying drawing described herein is to be used to provide further understanding of the present utility model, forms the application's a part, but does not form to improper restriction of the present utility model, in the accompanying drawings:
Fig. 1 is principle schematic of the present utility model;
Fig. 2 is a kind of ultrasonic transducer structural representation in this utility model;
Fig. 3 is the structural representation of another kind of ultrasonic transducer in this utility model;
Fig. 4 is the side view of ultrasonic transducer in Fig. 3;
Fig. 5 is the top view of ultrasonic transducer in this utility model.
In figure: 1. piezoelectric; 2. the burnt territory of bar shaped; 3. acoustic lens.
[specific embodiment]
Describe this utility model in detail below in conjunction with accompanying drawing and specific embodiment, illustrative examples wherein and explanation are only used for explaining this utility model, but not as to restriction of the present utility model.
As Fig. 1, 2, 3, shown in 4 and 5, a kind of combination machinery produces the high intensity focused ultrasound generation equipment in the burnt territory of bar shaped with phased array, comprise triggering signal generation module, time-delay for phased array generation module, power amplifier module, match circuit, ultrasonic transducer and power module, triggering signal generation module is connected with time-delay for phased array generation module by holding wire, time-delay for phased array generation module is connected with power amplifier module, power amplifier module is connected with ultrasonic transducer by match circuit, power module is connected with each parts respectively, when providing working power for the electronic devices and components of each parts for power amplifier module provides driving power.Described ultrasonic transducer is by piezoelectric 1 casting and cuts into several primitives; Described ultrasonic transducer is to be combined into by acoustic lens 3 and piezoelectric 1, and wherein said piezoelectric 1 is cut into several primitives; The end face of described ultrasonic transducer is curve form, the length of end face is Y, the width of end face is X, end face is plane and the mode that adopts phased array electron focusing along Y direction, be curved surface and the mode that adopts frame for movement focusing along X-direction, in Y direction in order to the primitive number that forms phased array for being more than or equal to 2, wherein Y>X, and Y/X>1; When described power amplifier module carries out power amplification to each paths, adopt identical power amplification ratio or adopt different power amplification ratios, and interchannel magnification ratio can combine in any proportion.
High intensity focused ultrasound generation equipment, generally, as a part for high-strength focus supersonic therapeutic system, the image-guided equipment of integrative medicine, temperature monitoring equipment and mechanical transmission are worked jointly.First operator determines the position in region to be treated by medical image guiding device, by mechanical transmission, high intensity focused ultrasound generation equipment is aimed to region to be treated subsequently.Complete after aligning, start high intensity focused ultrasound generation equipment, promote the temperature in region to be treated, realize therapeutic process.In therapeutic process, in some situation also by the temperature in serviceability temperature monitoring equipment Real-Time Monitoring region to be treated, prevent temperature increase too high and damage normal structure.
In therapeutic process, after receiving enabled instruction, high intensity focused ultrasound generation equipment just starts working.Produce work order by triggering signal generation module, the work rhythm of ultrasonic generation equipment can be continuous also can being interrupted, and can also can transmit the control instruction of coming according to outside according to the rule being pre-stored in triggering signal generation module; Receive after triggering signal, time-delay for phased array generation module is started working, and according to default rule or the external command receiving, each passage is carried out to time delay triggering, the effect focusing on to reach Electronic Control; Triggering signal is a small-signal, there is no enough energy, therefore, need to utilize power amplifier module that the energy of triggering signal is improved, to meet the required power requirement for the treatment of; Because the impedance of ultrasonic transducer is relevant with its material type and physical dimension, generally with power amplification circuit between impedance cannot directly mate, need to be after the impedance transformation of match circuit could correct coupling.
Electrical signal transfer through power amplification arrives ultrasonic transducer, is converted into acoustic energy at this electric flux.According to the situation of the frame for movement of transducer and Electronic Control time delay, sound wave is focused on presumptive area and focal zone is bar-shaped zone.Sound energy density in focal zone is very large, and temperature is raised; Sound energy density outside focal zone is very little, and temperature changes hardly.Thus, realized the non-invasive therapy to specific region.
Because the ultrasonic transducer in this equipment has been taked the different types of focusing at X and Y both direction, generally the focal dimension of both direction is all different, thereby form the focal zone of a bar shaped, be applicable to very much the entirety such as blood vessel, thigh bone, arm bone or the local region to be treated that is strip, can shorten treatment time and can not cause the situation of significantly overflowing.
The power supply supply of whole equipment is supplied by power module and is ensured, comprises power supply and the required electric energy of excitation ultrasound transducer of all kinds of electronic devices and components.
The above is only preferred embodiments of the present utility model, and the equivalence of doing according to structure, feature and principle described in this utility model patent claim therefore all changes or modifies, and is included in this utility model patent claim.
Claims (5)
1. one kind produces the high intensity focused ultrasound generation equipment in the burnt territory of bar shaped in conjunction with machinery and phased array, it is characterized in that: comprise triggering signal generation module, time-delay for phased array generation module, power amplifier module, match circuit, ultrasonic transducer and power module, triggering signal generation module is connected with time-delay for phased array generation module by holding wire, time-delay for phased array generation module is connected with power amplifier module, power amplifier module is connected with ultrasonic transducer by match circuit, power module is connected with each parts respectively, when providing working power for the electronic devices and components of each parts for power amplifier module provides driving power.
2. a kind of combination machinery according to claim 1 produces the high intensity focused ultrasound generation equipment in the burnt territory of bar shaped with phased array, it is characterized in that: described ultrasonic transducer is by piezoelectric casting and cuts into several primitives.
3. a kind of combination machinery according to claim 1 produces the high intensity focused ultrasound generation equipment in the burnt territory of bar shaped with phased array, it is characterized in that: described ultrasonic transducer is to be combined into by acoustic lens and piezoelectric, and wherein said piezoelectric is cut into several primitives.
4. a kind of combination machinery according to claim 1 produces the high intensity focused ultrasound generation equipment in the burnt territory of bar shaped with phased array, it is characterized in that: the end face of described ultrasonic transducer is curve form, the length of end face is Y, the width of end face is X, end face is plane and the mode that adopts phased array electron focusing along Y direction, be curved surface and the mode that adopts frame for movement focusing along X-direction, in Y direction in order to the primitive number that forms phased array for being more than or equal to 2, wherein Y>X, and Y/X>1.
5. a kind of combination machinery according to claim 1 produces the high intensity focused ultrasound generation equipment in the burnt territory of bar shaped with phased array, it is characterized in that: when described power amplifier module carries out power amplification to each paths, adopt identical power amplification ratio or adopt different power amplification ratios, and interchannel magnification ratio can combine in any proportion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320804346.8U CN203598377U (en) | 2013-12-10 | 2013-12-10 | High intensity focused ultrasound generating device for generating bar-shaped focus area with combination of mechanical and phased array |
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| CN201320804346.8U CN203598377U (en) | 2013-12-10 | 2013-12-10 | High intensity focused ultrasound generating device for generating bar-shaped focus area with combination of mechanical and phased array |
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| CN203598377U true CN203598377U (en) | 2014-05-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106108978A (en) * | 2016-08-22 | 2016-11-16 | 昆明医科大学第附属医院 | A kind of ultrasonic radiation force calculus device treating renal micro-calculus |
| CN111450426A (en) * | 2020-04-06 | 2020-07-28 | 奥昇医疗科技(新加坡)有限责任公司 | High-intensity focused ultrasound equipment and control method |
-
2013
- 2013-12-10 CN CN201320804346.8U patent/CN203598377U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106108978A (en) * | 2016-08-22 | 2016-11-16 | 昆明医科大学第附属医院 | A kind of ultrasonic radiation force calculus device treating renal micro-calculus |
| CN111450426A (en) * | 2020-04-06 | 2020-07-28 | 奥昇医疗科技(新加坡)有限责任公司 | High-intensity focused ultrasound equipment and control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20211210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |