CN102144936A - Acoustic pressure stone discharging machine - Google Patents
Acoustic pressure stone discharging machine Download PDFInfo
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- CN102144936A CN102144936A CN2011100642014A CN201110064201A CN102144936A CN 102144936 A CN102144936 A CN 102144936A CN 2011100642014 A CN2011100642014 A CN 2011100642014A CN 201110064201 A CN201110064201 A CN 201110064201A CN 102144936 A CN102144936 A CN 102144936A
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- acoustic pressure
- ultrasonic transducer
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Abstract
The invention discloses an acoustic pressure stone discharging machine which comprises a base with a circular arc focusing concave, a B ultrasonic probe arranged at the centre of the circular arc focusing concave of the base, and a water bag arranged over the base; the stone discharging machine further comprises one or more ultrasonic transducers, wherein the focus of each ultrasonic transducer is superposed with the extended central axis of the B ultrasonic probe, the ultrasonic energy of each transducers is collected in a focusing region, so that the filling degree of the water bag can be adjusted, and the stone can be located on the focus of each ultrasonic transducer. The acoustic pressure stone discharging machine can solve the problem of difficulties in discharging the residual stones after in vitro lithotripsy and minimally invasive surgery, and particularly can solve the problem of difficulties in discharging the residual stone in the lower renal calyx.
Description
Technical field
The present invention relates to a kind of calculus device that utilizes the interior calculus of acoustic pressure mobile human body of concentration ultrasonic generation, refer specifically to a kind of acoustic pressure lithagoue machine.
Background technology
Hospital mostly adopts extracorporeal shock-wave lithotripsy (ESWL) or Minimally Invasive Surgery therapy to the treatment of renal calculus now.After the extracorporeal shock-wave lithotripsy (ESWL), pulverized calculus is to discharge kidney voluntarily by patient's urine to enter ureter, finally excretes.But because the structure problem of kidney, the calculus after many pulverizing is not easy to discharge, and especially in the calculus of kidney inferior calyx, discharges more difficultly, often needs repeatedly rubble, solves the urinary calculus removing problem surely fully but also differ.Though Minimally Invasive Surgery can be by the conduit sucking-off by the calculus of laser or the pulverizing of other method in operation process, but it is equally also often residual, need other auxiliary treatment means, for example carry out external stone crushing, but equally also be difficult to resolve certainly calculus problem for the residual calculus of kidney inferior calyx.In order to solve the calculus problem, people have found out many methods, for example increase the urine discharge capacity method, allow mechanical calculus instrument of patient's waist shake or the like, but not ideal.
Summary of the invention
The object of the present invention is to provide a kind of acoustic pressure lithagoue machine, it is the calculus device that utilizes the concentration ultrasonic acoustic pressure, and it can solve the problem of residual calculus calculus difficulty behind external stone crushing and the Minimally Invasive Surgery, particularly solves the problem of the residual calculus calculus difficulty of kidney inferior calyx.
In order to achieve the above object, the present invention is realized by following technical scheme.
A kind of acoustic pressure lithagoue machine, comprise and have the pedestal that circular arc focuses on concave surface, be located at the Ultrasonic-B probe that the pedestal circular arc focuses on the concave surface center, the pedestal top is provided with water pocket, it is characterized in that: described calculus device also comprises one or more ultrasonic transducer, and the focus of ultrasonic transducer overlaps with Ultrasonic-B probe axis extensions, and the ultrasonic energy of one or more ultrasonic transducers all concentrates on a focal zone, so that adjust the fullness degree of water pocket, calculus is positioned on the ultrasonic transducer focus.With the position of easy judgement transducer focal zone at the B ultrasonic image, help the location, when on the B ultrasonic image, finding calculus, adjust the fullness degree of water pocket, can easily be positioned at calculus on the energy transducer focus, at this moment, be defeated by the transducer energy by supersonic generator, energy is to certain intensity, just can mobile calculus.
Described Ultrasonic-B probe is sheathed in the retracting cylinder.
Described ultrasonic transducer operating frequency is between 800KHz~2MHz.
Beneficial effect of the present invention is, ultrasound wave is in propagation path, can produce acoustic irradiation pressure to object, particularly when object and sound wave density of medium differ greatly, the pressure that produces can be bigger, therefore, when ultrasound wave when human body soft tissue is propagated, run into the very big calculus of density variation and will produce very big pressure.The present invention overlaps ultrasonic transducer Jiao Qu with Ultrasonic-B probe axis extensions, the ultrasonic energy of all transducers all concentrates on a focal zone, and ultrasound wave focuses in the very little scope, and the radiation pressure of this acoustic beam will strengthen doubly a lot, during to certain intensity, move to promote calculus.Test shows, reaches 10W/cm
2The pulse concentration ultrasound wave of intensity acoustic pressure, discontinuous operation can mobile 8mm the simulation calculus, and the ultrasound wave of this sound pressure according to the standard of U.S. FDA in safety range.The problem of the present invention's residual calculus calculus difficulty after can solving external stone crushing and Minimally Invasive Surgery on the bigger degree, the residual calculus that solves the kidney inferior calyx is more produced effect, the present invention also is useful to other residual calculus calculus of urinary system, even the little calculus of some several mm, do not need to implement external stone crushing or other operation, just can directly deal with problems with the present invention,, very high practical value be arranged from economy with concerning patient's safety.
Description of drawings
Fig. 1 is an acoustic pressure lithagoue machine core component structural profile sketch map of the present invention
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is done to describe in further detail.
A kind of acoustic pressure lithagoue machine as shown in Figure 1, comprise and have the pedestal 1 that circular arc focuses on concave surface, be located at the Ultrasonic-B probe 2 that pedestal 1 circular arc focuses on the concave surface center, acoustic pressure lithagoue machine of the present invention also comprises one or more ultrasonic transducer 3, the focus of ultrasonic transducer 3 overlaps with Ultrasonic-B probe 2 axis extensions, the ultrasonic energy of one or more ultrasonic transducers 3 all concentrates on a focal zone 4, so that adjust the fullness degree of water pocket 5, calculus is positioned on ultrasonic transducer 3 focuses.Ultrasonic-B probe 2 is used for calculus and seeks.So that calculus is positioned at focal zone 4.Ultrasonic transducer 3 is for producing the ultrasound wave focusing arrangement of strong acoustic beam pressure, and pedestal 1 top with circular arc focusing concave surface of the present invention is provided with water pocket 5, is fixed on pedestal 1 outer surface with ring for fixing 51.Ultrasonic-B probe 2 of the present invention is sheathed in the retracting cylinder 6, and it is fixing that Ultrasonic-B probe 2 also is provided with retainer ring 7, and retracting cylinder 6 is provided with sealing ring 8 with the contact site of pedestal 1.
A kind of acoustic pressure lithagoue machine as shown in Figure 1, operation principle of the present invention and step are as follows: the patient lies on the common hospital bed, and the doctor operates this device, water pocket 5 is being pasted the position of patient's kidney; Utilization is placed in the Ultrasonic-B probe 2 at pedestal 1 center, in conjunction with the residual calculus that needs in the B ultrasonic machine image searching patient body to move; The focus of concentration ultrasonic is faced toward calculus, the scale of the retracting cylinder 6 by Ultrasonic-B probe 2 and the calculus degree of depth of B ultrasonic pictorial display, adjust the water yield focusing of water pocket 5 in view of the above, make focused beam pressure concentrate prolonging on the axis of sensing calculus moving direction, the calculus moving direction points to as far as possible by the ureter Way out; Give ultrasonic transducer 3 input energy, energy is produced by supersonic generator, continues time several seconds, and focal zone 4 promotes calculus will move a segment distance, repeats above-mentioned steps and makes calculus finally move on to the position of easy discharge.If a plurality of calculus then repeat above-mentioned steps and get final product.
Ultrasonic transducer operating frequency of the present invention is best between 1MHz~2MHz, if frequency is low, penetration capacity is relatively poor; Frequency is too high, needs energy also big, and the safety meeting reduces.
Claims (3)
1. acoustic pressure lithagoue machine, comprise and have the pedestal that circular arc focuses on concave surface, be located at the Ultrasonic-B probe that the pedestal circular arc focuses on the concave surface center, the pedestal top is provided with water pocket, it is characterized in that: described acoustic pressure lithagoue machine also comprises one or more ultrasonic transducer, the focus of ultrasonic transducer overlaps with Ultrasonic-B probe axis extensions, the ultrasonic energy of one or more ultrasonic transducer all concentrates on a focal zone, so that adjust the fullness degree of water pocket, calculus is positioned on the ultrasonic transducer focus.
2. acoustic pressure lithagoue machine according to claim 1 is characterized in that: described Ultrasonic-B probe is sheathed in the retracting cylinder.
3. acoustic pressure lithagoue machine according to claim 1 and 2 is characterized in that: described ultrasonic transducer operating frequency is between 800KHz~2MHz.
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CN2011100642014A CN102144936A (en) | 2011-03-14 | 2011-03-14 | Acoustic pressure stone discharging machine |
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CN2011100642014A CN102144936A (en) | 2011-03-14 | 2011-03-14 | Acoustic pressure stone discharging machine |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102580261A (en) * | 2012-03-31 | 2012-07-18 | 上海交通大学 | Focusing ultrasonic transducer device for treating superficial tumor |
CN104055545A (en) * | 2013-08-06 | 2014-09-24 | 深圳市海德医疗设备有限公司 | Pressure wave diabetes therapeutic machine |
CN108969056A (en) * | 2018-09-06 | 2018-12-11 | 厦门市领汇医疗科技有限公司 | Localization by ultrasonic rubble component, localization by ultrasonic stone crusher, ultrasonic rubble localization method |
CN114271901A (en) * | 2021-12-27 | 2022-04-05 | 赛诺爱科科技(江苏)有限公司 | Ultrasonic knife provided with telescopic diagnosis sound head |
Citations (5)
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CN1054891A (en) * | 1990-03-14 | 1991-10-02 | 中国科学院电工研究所 | Multipolar hydroelectric impact wave generator |
CN1085415A (en) * | 1993-06-11 | 1994-04-20 | 张建华 | Portable external ultrasonic lithotriptor |
DE4421938C2 (en) * | 1994-06-23 | 1997-08-28 | Wolf Gmbh Richard | Device for generating focused acoustic waves |
CN1162439A (en) * | 1996-04-18 | 1997-10-22 | 西门子公司 | Therapeutic instrument with conveniently regulated distance between reference and expected value |
CN201602829U (en) * | 2010-02-03 | 2010-10-13 | 深圳市海德医疗设备有限公司 | B ultrasonic locating device of built-in wave source for extracorporeal shock wave lithotripter |
-
2011
- 2011-03-14 CN CN2011100642014A patent/CN102144936A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1054891A (en) * | 1990-03-14 | 1991-10-02 | 中国科学院电工研究所 | Multipolar hydroelectric impact wave generator |
CN1085415A (en) * | 1993-06-11 | 1994-04-20 | 张建华 | Portable external ultrasonic lithotriptor |
DE4421938C2 (en) * | 1994-06-23 | 1997-08-28 | Wolf Gmbh Richard | Device for generating focused acoustic waves |
CN1162439A (en) * | 1996-04-18 | 1997-10-22 | 西门子公司 | Therapeutic instrument with conveniently regulated distance between reference and expected value |
CN201602829U (en) * | 2010-02-03 | 2010-10-13 | 深圳市海德医疗设备有限公司 | B ultrasonic locating device of built-in wave source for extracorporeal shock wave lithotripter |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102580261A (en) * | 2012-03-31 | 2012-07-18 | 上海交通大学 | Focusing ultrasonic transducer device for treating superficial tumor |
CN104055545A (en) * | 2013-08-06 | 2014-09-24 | 深圳市海德医疗设备有限公司 | Pressure wave diabetes therapeutic machine |
CN108969056A (en) * | 2018-09-06 | 2018-12-11 | 厦门市领汇医疗科技有限公司 | Localization by ultrasonic rubble component, localization by ultrasonic stone crusher, ultrasonic rubble localization method |
CN114271901A (en) * | 2021-12-27 | 2022-04-05 | 赛诺爱科科技(江苏)有限公司 | Ultrasonic knife provided with telescopic diagnosis sound head |
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Application publication date: 20110810 |