CN101208048B - Method for operating a lithotripsy device, and lithotripsy device operated using the method - Google Patents

Method for operating a lithotripsy device, and lithotripsy device operated using the method Download PDF

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Publication number
CN101208048B
CN101208048B CN2006800227413A CN200680022741A CN101208048B CN 101208048 B CN101208048 B CN 101208048B CN 2006800227413 A CN2006800227413 A CN 2006800227413A CN 200680022741 A CN200680022741 A CN 200680022741A CN 101208048 B CN101208048 B CN 101208048B
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shock wave
wave source
focus
breaking device
supporting construction
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Expired - Fee Related
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CN2006800227413A
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CN101208048A (en
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马赛厄斯·马勒
赫伯特·陶伯
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Siemens AG
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Siemens AG
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/225Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves
    • A61B17/2251Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves characterised by coupling elements between the apparatus, e.g. shock wave apparatus or locating means, and the patient, e.g. details of bags, pressure control of bag on patient
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/225Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves
    • A61B17/2255Means for positioning patient, shock wave apparatus or locating means, e.g. mechanical aspects, patient beds, support arms, aiming means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/225Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves
    • A61B17/2256Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves with means for locating or checking the concrement, e.g. X-ray apparatus, imaging means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/06Measuring instruments not otherwise provided for
    • A61B2090/064Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension
    • A61B2090/065Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension for measuring contact or contact pressure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/06Measuring instruments not otherwise provided for

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention relates to a method for operating a lithotripsy device, whereby a shock source (2) generating a shock wave focussed in a focal point (S) is coupled to a patient (12) to be treated. According to the invention, the deformation of a supporting structure (3) carrying the shock source (2), caused during the coupling process, is detected and evaluated.

Description

Calculi breaking device operational approach and the calculi breaking device of operating in this way
Technical field
The present invention relates to the calculi breaking device of the said method operation of a kind of calculi breaking device operational approach and a kind of usefulness.
Background technology
Lithotrity is a kind of through operation, but the Therapeutic Method that the intravital calculus of patient is smashed by focused shock wave.Need mechanically coupled surge wave source on one's body the patient for this reason, be about to have the shock wave source that connects corrugated tube (inside is marked with fluid) and be placed on human body surface.For not having loss ground to import in patient's body as far as possible shock wave, connect corrugated tube and must have no to be close to gap human body surface.
For guaranteeing this lossless acoustical coupling, known way is by the fluid pressure that connects in the corrugated tube power that is used for shock wave source is placed or is coupled to patient's body surface to be regulated.But the shock wave concrete depth of penetration required with treatment according to patient's concrete structoure of the human body possibly can't be adjusted the bonding force of having an effect through pressure-regulating device (for example disclosing this pressure-regulating device among DE 197 48 071 A1) again.In addition, be adjusted at fluid pressure under the situation of preset rated value, the active force between shock wave source and body surface is not always identical, and its reason is that the power that between shock wave source and body surface, acts on is relevant with how much contact structures with contact surface.
In the case, the power that is applied to during coupling on the shock wave source can make the assembly that carries shock wave source deform, thereby makes the focus of shock wave depart from its calibration position.This calibration position is common and the picture centre of the X-ray equipment that the calculus location is used overlaps.Fig. 4 has carried out detailed icon to this.As shown in Figure 4, shock wave source 2 is installed on the control station 8 that only shows in schematic form in the accompanying drawings through supporting construction 3 (being support arm 4 in the present embodiment), and support arm 4 is arranged on the C type arm 6 rotationally.Shock wave source 2 has one and connects corrugated tube 10, and shock wave source 2 is placed on patient 12 the body surface through connecting corrugated tube 10, and with patient 12 body surface acoustical coupling.Under the ideal situation, the directed force F that promptly receives on the shock wave source 2 hour, the focus S of shock wave and its calibration position C coincide with the concentric point of C type arm 6).Calibration position C simultaneously also is the picture centre of the X-ray equipment that being used for of not showing among the figure calculus positioned.What the dotted line in the accompanying drawing was represented is, when being coupled between shock wave source 2 and the patient 12, and the situation that is occurred when on shock wave source 2, applying power F on the direction of the central shaft 14 of shock wave source 2.At this moment, reversible strain can take place in supporting mechanism usually that be made up of support arm 4 and C type arm 6, and this can make the focus S of shock wave be displaced to physical location C ' from its calibration position C.
If this drift condition of focus S unrecognized with consider, will affect the treatment, bring unnecessary burden to the patient.
For avoiding occurring this situation, known way of the prior art is: compensate the distortion that will occur outside the calibration position C through when shock wave source 2 does not receive active force as yet, the focus S of shock wave being placed.In the case, be coupled to patient 12 body surface when shock wave source 2 after, under the distortion ideal situation that thereupon occurs focus S is overlapped with calibration position C.Fig. 5 with dashed lines illustrates this.But owing to be used for shock wave source 2 is coupled to difference and the difference that patient 12 power is on one's body looked concrete application, even thereby can not always guarantee that through this measure focus S overlaps with calibration position C.
The problem that preceding text are explained by the shock wave source that is arranged on the C type arm also can appear on the calculi breaking device of the supporting construction with other types with identical form.Fig. 6 has carried out exemplary diagram to this type calculi breaking device.Wherein, the support arm 4 that shock wave source 2 is installed on the free end is arranged in around trunnion axis 4a on the free end of cantilever 15 rotationally, and cantilever 15 is installed in rotation on the control station that does not show among the figure around vertical axis 4b.Under the effect of bonding force F, support arm 4 at first can deform, because the leverage of bonding force F, the free-ended deformation extent of support arm 4 is maximum.Shown in the dotted line in the accompanying drawing, bonding force F causes the free end of support arm 4 to squint, thereby causes focus S to be displaced to physical location C ' from its calibration position C equally.Because bonding force F one fixes on the direction that is parallel to shock wave source central shaft 14 and has an effect, thereby except the planes of being confirmed by support arm 4 and central shaft 14 bend, torsion phenomenon may occur in addition.
Except that the reversibility offset of preceding text by the illustrated focus S of Fig. 4 to Fig. 6, under expection or the bigger situation of non-predictive role power, also irreversible transformation might appear, and this can cause focus S for good and all to depart from calibration position C, and brings risk to the patient.
Wherein, along with the mechanical degree of freedom quantity of shock wave source) increase, the frequency of occurrences of the problems referred to above will inevitably be increasingly high.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of calculi breaking device operational approach, can avoid the generation of the problems referred to above by means of this method.In addition, another object of the present invention provides the calculi breaking device of the said method operation of a kind of usefulness.
The present invention's purpose relevant with method reached through a kind of calculi breaking device operational approach; This method is to wait to treat patient's shock wave source that is coupled on one's body; Be used to produce and focus on a shock wave on the focus, and the distortion that the supporting construction that is used to support shock wave source is taken place when the coupling detects and analyzes.
Through this measure, the skew that user can focusing takes place in therapeutic process have do not reach must interrupting or stopping further treatment degree and whether must reorientate focus and judge.
Wherein, Can be through measuring one and supporting construction or the mechanically coupled reference position of shock wave source or reference axis and one in the reference position of the outside fixed-site of supporting construction or the change in displacement between the reference axis or the angle distortion situation that changes to detect supporting construction, perhaps be arranged in the distortion situation that two reference positions or the change in displacement between two reference axis or angle on the supporting construction change to detect supporting construction through measurement.
According to concrete device type, might only need to measure on the axle or plane in change in displacement or angle variation can detect the distortion situation.When stressing conditions is comparatively complicated, reasonably way be to a plurality of axles go up or a plurality of planes in change in displacement or angle change and detect.
Detected distortion is used in particular for the mensuration of focus physical location and the correct location of shock wave source.If because the supporting construction of shock wave source (promptly being used to support the supporting component of shock wave source) be deformed into known quantity, just can confirm the physical location of focus according to distortion situation and equipment associated arguments the look-up table of verification experimental verification (for example through).
According to a kind of particularly advantageous embodiment of the present invention, be arranged on the shock wave source with the mechanically coupled reference position of supporting construction.Through this measure, after detected distortion situation is analyzed, can confirm the physical location of shock wave source focus especially simply, exactly, be the synthesis result of all local deformations of supporting construction because appear at this locational.
If the physical location of focus is presented in patient's the radioscopic image, just simply the focus of mode shock wave is accurately located.Can proofread and correct through mechanical positioning or electronic image for this reason, X-ray apparatus is regulated, the picture centre of radioscopic image is overlapped with the focus of shock wave source again.
In another favourable embodiment of said method, detected distortion is compared with a higher limit, and the situation that this higher limit is exceeded is indicated.Can avoid the excessive expendable distortion that causes of the application of force through this measure, thereby avoid calculi breaking device to receive unexpected permanent damage.
In addition, if trigger the automatic compensating motion that can reduce to be out of shape when higher limit is exceeded, just can guarantee, even under the situation of user careless manipulation, also can avoid taking place irreversible damage situations.
The present invention's purpose relevant with calculi breaking device reached through a kind of calculi breaking device, and it comprises: a shock wave source is used to produce the shock wave that accumulates on the focus; And at least one measuring transducer, the distortion that the supporting construction of said shock wave source is taken place when the coupling is measured.Other favourable embodiments of calculi breaking device also are provided.The advantage of these calculi breaking devices produces the advantage that has from corresponding each method respectively.
Description of drawings
By embodiment shown in the drawings the present invention is described further below, wherein:
Fig. 1 is the schematic diagram of calculi breaking device of the present invention;
Fig. 2 is the radioscopic image of schematic form, and what wherein show is the physical location of shock wave focus;
Fig. 3 is the support arm of calculi breaking device, according to the present invention, is furnished with measuring transducer on the support arm; And
Fig. 4 to Fig. 6 is a sketch map, shows that calculi breaking device is coupled to shock wave source to wait to treat the distortion situation that the patient is occurred on one's body the time.
The specific embodiment
Illustrated through Fig. 4 and Fig. 5 in preceding text; Shock wave source 2 shown in Figure 1 is supported by the supporting construction that comprises support arm 43; Support arm 4 is installed on the C type arm 6, and the calibration position C (being the concentric point of C type arm 6 in the present embodiment) that support arm 4 can center on the focus of shock wave source 2 rotates.The calibration position C of the focus of shock wave source 2 is positioned at the picture centre of x-ray imaging device 18; X-ray imaging device 18 is a C type arm X-ray equipment in the present embodiment; Wherein, X ray receptor 20 is arranged on the X ray C type arm 16 with X-ray tube 22, and the concentric point of X ray C type arm 16 overlaps with the calibration position C of above-mentioned focus.X ray receptor 20 can rotate around this calibration position C with X-ray tube 22 together.
Wait to treat patient 12 and be positioned on the patient table 24, shock wave source 2 connects corrugated tube 10 and patient's 12 body surface coupling through it.Accompanying drawing is also treated and is smashed calculus K and illustrate, and is positioned under the calculus K ideal situation on the concentric point of X ray C type arm 16.
Shown in the four-headed arrow in the accompanying drawing, central authorities' control and analytical equipment 26 are used for X-ray apparatus 18 and shock wave source 2 are controlled.Be connected with operating equipment and display device on control and the analytical equipment 26, i.e. the keyboard that shows in schematic form of accompanying drawing 28 and monitor 30.In the patient's 12 that monitor 30 is shown radioscopic image B, the calculus K that is positioned on the concentric point of X ray C type arm 16 appears at picture centre.
Be furnished with at least one measuring transducer 31 on the supporting construction 3 (in the present embodiment for support arm 4), measuring transducer 31 is coupled to patient 12 on one's body the time at shock wave source 2, detects said supporting construction owing to receiving the distortion that the bonding force effect takes place.Through a plurality of measuring transducers 31 suitably being selected and being arranged, also can detect in principle the three axial deformation and the situation of reversing.Also can the local deformation distribution situation on the support arm 4 be detected in principle.
The measuring-signal M of measuring transducer 31 is transferred on control and the analytical equipment 26, by control and analytical equipment 26 it analyzed, thus the physical location of the focus of mensuration shock wave source 2.This step for example can realize through a kind of including through the analysis software of the look-up table of verification experimental verification.This look-up table contains the data that focus that the change in location by shock wave source 2 causes departs from calibration position C, and the measured measuring-signal M of above-mentioned measuring transducer 31.
The physical location that this method is measured representes with corresponding symbol 34, is denoted as a cross hairs that is presented among the radioscopic image B that X-ray apparatus 18 produced in this example.
In addition, control and analytical equipment 26 are also checked through measuring-signal M, whether have the situation that is lower than or surpasses the distortion higher limit.This situation that is lower than or surpasses is by indicator elment 36 and 38 indications, and indicator elment 36 and 38 also can be incorporated in the image planes of monitor 30.
In addition; Control and analytical equipment 26 also with figure in not the driving device that is used to drive patient table 24 of demonstration link to each other; When measuring transducer 31 measured distortion surpassed higher limit, control and analytical equipment 26 can trigger patient table 24 and leave original position (as shown in arrow 40) automatically.
Control and analytical equipment 26 also include storage device 42, and storage device 42 is used for storing the measured distortion of therapeutic process and other corresponding patient datas and treatment related data D.
As shown in Figure 2, calculus K is positioned at the picture centre of the radioscopic image B that is produced by X-ray apparatus.Under the ideal situation, if do not receive the external force effect on the shock wave source, picture centre just overlaps with the calibration position C of shock wave source focus.If on shock wave source, apply an external force, the focus of shock wave source will be displaced to physical location C ' from calibration position C, that is, and and the symbol 34 that user is seen.User can find out from illustrated embodiment that the physical location C ' of focus no longer is positioned at the inside of calculus K, thereby can not release of shock wave.At this moment, the application of force that user can be when reducing to be coupled or after moving patient position, implement coupling again, thus the physical location C ' that is shown among the radioscopic image B is positioned on the calculus K, or calculus K is displaced on the physical location C '.As additional project, also can be with the picture centre aligned focus of radioscopic image.This point can through X-ray apparatus reorientate or electronic image is proofreaied and correct and to be realized.In the case, calculus K slip chart inconocenter.
Be provided with the Optical devices as measuring transducer 31 among the embodiment shown in Figure 3, these Optical devices detect the distortion situation of support arm 4 through the relative position situation of change between two and the mechanically coupled reference position P1 of support arm 4, the P2 is measured.For this reason, on the P1 of reference position, promptly be furnished with the light source 50 (for example laser diode) that can launch light beam LS in the support end zone of support arm 4, light beam LS propagates along the first reference axis A1 that is subordinated to light source.The deflection mirror 52 that light beam LS is disposed in the support arm 4 is refracted on the optical receiver 54, and optical receiver 54 is arranged on the reference position P2 that is positioned at support arm 4 free end zones.That be arranged in that chopper 56 in the light path plays is limit Shu Zuoyong.In the case, the distortion of the caused support arm 4 of bonding force F can make optical receiver 54 occurrence positions change, and make light beam LS depart from the receiving plane of optical receiver 54, so that optical receiver 54 does not again receive light beam LS when the distortion higher limit is exceeded.This expression, distortion have reached the degree of a necessary interrupting or stopping treatment.In other words be exactly: when the measuring-signal by optical receiver 54 transmission does not occur, can interrupt the release of shock wave automatically.If the linear array (for example ccd sensor) that will be made up of a plurality of single receptors is as optical receiver 54, just can to the distortion (being free-ended skew) of support arm and therewith accordingly the focus situation that departs from its calibration position carry out detection by quantitative.
As the replacement scheme of embodiment shown in the drawings, also can on the position of optical receiver 54, locate a reflecting mirror, and light source 50 and optical receiver 54 are incorporated in the structural units.When adopting this arrangement; Reflection pitch-angle change in location; That promptly confirm and change with the position, angle of the second reference axis A2 of supporting construction (being support arm 4 in the present embodiment) mechanical couplings by the normal of reflecting mirror; Measuring-signal on the optical receiver 54 is changed, because in the case, the optical axis of light beam LS and above-mentioned normal are no longer parallel.
In principle, the distortion situation of support arm 4 also can obtain with respect to the distortion of reference position P1 (with respect to X ray C type arm fixed-site) through directly measuring this support arm, and its method is the outside that for example optical transmitting set and optical receiver is arranged in support arm 4.This point for example can realize through the optical ranging sensor 31a based on triangulation; Shown in the dotted line among the figure; Distance measuring sensor 31a is arranged on the reference position P1 of the fixed-site that is positioned at support arm 4 outsides; And there is not mechanical connection between the support arm 4, and is used to detect distance that is arranged in the reflecting surface on the P2 of reference position of arrival.Wherein, reference position P2 and support arm 4 mechanically are coupled.Distance measuring sensor 31a also can exchange layout with reflecting surface.In addition, this distance measuring sensor 31a also can be arranged in the inside of support arm 4 together with affiliated reflecting surface, and links to each other with support arm 4 machineries, so that the variation of the relative displacement between the structural detail of support arm 4 is detected.Not only can be arranged in support arm 4 inside but also can be arranged in the outside distance measuring sensor 31a of support arm 4 by means of this; The situation that not only can surpass to whether a predetermined deformation higher limit detects; Also can detect distortion degree, and focus physical location and calibration position between deviation, and above-mentioned detection carried out corresponding indication.
In addition, also can change, measure the distortion situation of supporting construction through the angle between the reference axis A2 of reference axis A1 on the measurement supporting construction and fixed-site.For this reason, suitable measuring transducer for example is so-called " compass module " 31b, and this measuring transducer can be used for measuring reference axis A1 and the angle between the earth's magnetic field direction (reference axis A2) on the supporting construction.In the present embodiment, compass module is arranged on the shock wave source 2.This absolute angle changes also available gravitational field obliquity sensors and measures.
The angular transducer variation that is particularly suitable for taking measurement of an angle, its measuring principle are based upon angle and change and cause on the basis of resistance variations.The angle that angular transducer is suitable for detecting with respect to one, two or three spatial axes changes.
As substituting or additional project of above-mentioned measuring transducer; Also can use electric capacity or inductance type measurement pick off; They can detect the absolute displacement variation or relative displacement changes; That is, the change in displacement between the reference position on fixed reference position and the supporting construction perhaps is arranged on the change in displacement between two reference positions on the above-mentioned supporting construction.For Displacement Measurement changes, also can use position sensor according to lining rope principle (Messseilprinzip) work.
In addition, also can detect the mechanically deform of supporting construction, can change the relative displacement of supporting construction inside equally by means of these strain transducers and measure directly through being arranged in or a plurality of strain transducer 31c on the supporting construction.Also can detect the relative anglec of rotation through the inductance type measurement pick off.
In principle, the distortion situation of supporting construction can change or angle changes and obtain through Displacement Measurement, and wherein, one or a plurality of selected references position or reference axis are arranged on the said shock wave source, shown in the relevant embodiment of compass module 31b in the accompanying drawing.When adopting this processing mode, measuring-signal is set up incidence relation with simple especially mode and focal shift (deviation between focus physical location and the calibration position).

Claims (6)

1. calculi breaking device comprises: a shock wave source (2), said shock wave source are used for producing and accumulate in the shock wave on the focus (S); And at least one measuring transducer (31); Said measuring transducer is arranged in two reference position (P1 on the supporting construction through measurement; P2) or two reference axis (A1; A2) change in displacement between or angle change, and the distortion that the supporting construction (3) of said shock wave source (2) is taken place when the coupling detects.
2. calculi breaking device according to claim 1, wherein, (P1, P2) or with the reference axis of said supporting construction (3) mechanical couplings (A1 A2) is arranged on the said shock wave source (2) with the reference position of said supporting construction (3) mechanical couplings.
3. calculi breaking device according to claim 1 and 2 wherein, has control and analytical equipment (26), confirms the physical location (C ') of said focus (S) according to the distortion that measures.
4. calculi breaking device according to claim 3 wherein, has an X-ray apparatus (18), is used for producing and reproducing patient's (12) radioscopic image (B), and the physical location (C ') of said focus (S) is presented in the said radioscopic image (B).
5. calculi breaking device according to claim 3, wherein, when the distortion that measures surpassed a preset upper limit value, said control and analytical equipment (26) can trigger compensating motion automatically.
6. calculi breaking device according to claim 5, wherein, said compensating motion refers to the patient table (24) that is triggered by said control and analytical equipment (26) and departs from moving of its origin-location, and said patient table is used for settling patient to be treated (12).
CN2006800227413A 2005-06-22 2006-06-21 Method for operating a lithotripsy device, and lithotripsy device operated using the method Expired - Fee Related CN101208048B (en)

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DE102005028877.4 2005-06-22
DE102005028877A DE102005028877A1 (en) 2005-06-22 2005-06-22 Operation of lithotripsy unit, measures and evaluates deformation in support structure of shock wave source in order to assure correct focus positioning
PCT/EP2006/063410 WO2006136582A1 (en) 2005-06-22 2006-06-21 Method for operating a lithotripsy device, and lithotripsy device operated using said method

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CN101208048B true CN101208048B (en) 2012-04-18

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EP2016904A1 (en) * 2007-07-18 2009-01-21 Dornier MedTech Systems GmbH Lithotripter

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