CN201098174Y

CN201098174Y - In vitro knock wave stone-breaking device

Info

Publication number: CN201098174Y
Application number: CNU2007201712634U
Authority: CN
Inventors: 林小斌
Original assignee: Shenzhen New Element Medical Equipment Technology Development Co Ltd
Current assignee: Shenzhen New Element Medical Equipment Technology Development Co Ltd
Priority date: 2007-11-30
Filing date: 2007-11-30
Publication date: 2008-08-13
Anticipated expiration: 2017-11-30

Abstract

The utility model provides an extracorporeal shock wave stone crushing device, comprising a shock wave generator and a B-ultrasound probe. The B-ultrasound probe is fixed inside the shock wave generator, and the medial axis of the B-ultrasound probe coincides with that of the shock wave generator. After stones are detected, the stones are positioned on the medial axis of the B-ultrasound probe; as the B-ultrasound probe is fixed inside the shock wave generator, and as the medial axis of the B-ultrasound probe coincides with that of the shock wave generator, the B-ultrasound probe, the stones and a focus formed by the shock wave generated by the shock wave generator are one the same straight line. The objective of crushing stones is realized by detecting the distance between the stones and the surface of the B-ultrasound probe, moving the extracorporeal shock wave stone crushing device in the direction of the straight line, and adjusting the position of the shock wave focus to ensure the shock wave focus coincide with the stones. The extracorporeal shock wave stone crushing device integrates the B-ultrasound probe with the shock wave generator into a whole, simplifies positioning process, reduces positioning errors, and improves treatment efficiency as well as treatment effect.

Description

A kind of extracorporeal shock-wave lithotripsy (ESWL) device

Technical field

This utility model belongs to medical instruments field, relates in particular to a kind of blast wave stone-breaking device that is used for the external treatment calculus.

Background technology

At present, it is very universal to utilize extracorporeal shock-wave lithotripsy (ESWL) to treat various calculus diseases, and it can be implemented in and external intravital calculus is smashed, thereby has avoided the patient by operative treatment, for the patient has reduced a large amount of miseries.

As shown in Figure 1, existing its locate mode of extracorporeal shock-wave lithotripsy (ESWL) device be by Ultrasonic-B probe 11 with the indirect addressing of patient's calculus on the focus of surge generator 12.This probe 11 is two separate mechanisms with surge generator 12, Ultrasonic-B probe 11 is positioned at the outside of surge generator 12, and form certain included angle between both axis, wherein crossing point of axes F is the rubble focus of surge generator 12, also is the rubble position.During detection, Ultrasonic-B probe 11 is in the fan sweeping state, and mobile Ultrasonic-B probe 11 is on the axis of Ultrasonic-B probe 11 calculus, and simultaneously, mobile surge generator 12 makes its rubble focus overlap with calculus.

This locate mode needs mobile Ultrasonic-

B probe

11 and 12 two mechanisms of surge generator to locate calculus, owing to there is the calculi breaking device foozle, and the limitation on the space, location between shock wave source, positioner and the patient, the location is not accurate enough so existing extracorporeal shock-wave lithotripsy (ESWL) device exists, positioning action process complexity, can not the whole rubble process of the uninterrupted supervision of real-time continuous etc. problem, thereby influenced therapeutic effect and therapeutic efficiency.

The utility model content

The technical problems to be solved in the utility model is, a kind of simple to operate, location extracorporeal shock-wave lithotripsy (ESWL) device more accurately is provided.

In order to solve the problems of the technologies described above, this utility model provides a kind of extracorporeal shock-wave lithotripsy (ESWL) device, comprises surge generator and Ultrasonic-B probe, and Ultrasonic-B probe is fixed in the surge generator, and the axis of Ultrasonic-B probe overlaps with the axis of surge generator.

After detecting calculus, calculus is positioned on the axis of Ultrasonic-B probe, because Ultrasonic-B probe is fixed in the surge generator, and the axis of Ultrasonic-B probe overlaps with the axis of surge generator, and the focus that the shock wave that makes Ultrasonic-B probe, calculus, surge generator produce forms point-blank.By detecting the distance of calculus and B behaviour detecting head surface, only need mobile external knock wave calculi breaking device on this rectilinear direction, adjust the shock wave focal position, the shock wave focus is overlapped with calculus, thereby realize the purpose of rubble.This utility model extracorporeal shock-wave lithotripsy (ESWL) device is one with Ultrasonic-B probe in conjunction with surge generator, has simplified position fixing process, has reduced position error, has improved therapeutic efficiency and therapeutic effect.

Description of drawings

Fig. 1 is a kind of extracorporeal shock-wave lithotripsy (ESWL) device locate mode sketch map that prior art provides;

Fig. 2 is a kind of extracorporeal shock-wave lithotripsy (ESWL) apparatus structure sketch map that this utility model embodiment provides;

Fig. 3 is the structural representation of shake film in a kind of extracorporeal shock-wave lithotripsy (ESWL) device of providing of this utility model embodiment;

Fig. 4 is the locate mode sketch map of a kind of extracorporeal shock-wave lithotripsy (ESWL) device of providing of this utility model embodiment;

Fig. 5 is that the position of Ultrasonic-B probe and calculus concerns sketch map.

The specific embodiment

In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer,, this utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation this utility model, and be not used in qualification this utility model.

As shown in Figure 2, this utility model embodiment provides a kind of extracorporeal shock-wave lithotripsy (ESWL) device, comprises surge generator 2 and Ultrasonic-B probe 3, and Ultrasonic-B probe 3 is fixed in the surge generator 2, and the axis of Ultrasonic-B probe 3 overlaps with the axis of surge generator 2.

Wherein, surge generator 2 comprises water pocket 21, acoustic lens 22, housing 23 and the wave source generating means 24 that is filled with liquid.Water pocket 21 is tightly connected with housing 23, and acoustic lens 22 is concavees lens, and it is positioned at water pocket 21 fixedlys connected with the upper end of housing 23, and the bottom of housing 23 and wave source generating means 24 are by rubber ring 246 sealings.Water pocket 21, housing 23 form confined space with wave source generating means 24 and are used for filling liquid.Ultrasonic-B probe 3 is positioned at above-mentioned confined space, and the one end is fixed on the acoustic lens 22, and the other end is fixed on the wave source generating means 24.The center line of the fan sweeping face of Ultrasonic-B probe 3 overlaps with the public axis of housing 23, acoustic lens 22 and wave source generating means 24.

Wave source generating means 24 comprises hold-down ring 241, shake film 242, flatwise coil 243, electromagnetic disc 244 and ring flange 245.Establish groove in the ring flange 245, hold-down ring 241, shake film 242, flatwise coil 243 and electromagnetic disc 244 are positioned at the groove of ring flange 245, electromagnetic disc 244 is fixedlyed connected with ring flange 245, flatwise coil 243 fixedly is stacked and placed on the electromagnetic disc 244, shake film 242 fixedly is stacked and placed on the flatwise coil 243, hold-down ring 241 is stacked and placed on the shake film 242, and the bottom surface of its end face and housing 23 is tightly connected.Establish concentric pylone in above-mentioned shake film 242, flatwise coil 243, electromagnetic disc 244 and the ring flange 245, Ultrasonic-B probe 3 one ends are arranged in the through hole, and are anchored in the electromagnetic disc 244 by nylon nut.As shown in Figure 3, shake film 242 comprises aluminium alloy sheet 2421 and rubber ring 2422, and the inner ring and the outer ring of shake film 242 are provided with aluminium alloy sheet 2421, and between inner ring and the outer ring, aluminium alloy sheet 2421 and rubber ring 2422 are provided with at interval.

Electric current produces pulsed magnetic field by flatwise coil 243, make the shake film that is in the magnetic field 242 produce mechanical vibration, and then the liquid that promote in the housing 23 produce shock wave, shock wave focuses on a bit through acoustic lens 22, be focus, this focus also drops on the center line of fan sweeping face of Ultrasonic-B probe 3 simultaneously.

Please consult shown in Figure 4ly simultaneously, during use, earlier water pocket 21 is full of an amount of water, drain bubble clean and on water pocket 21, be coated with last layer B ultrasonic couplant.Instruct the patient to crouch on therapeutic bed with the treatment position, the skin of area for treatment directly closely contacts with water pocket 21, at this moment, can observe the intravital image situation of patient by the B ultrasonic monitor.The position of this external knock wave of horizontal and vertical movement calculi breaking device, change the relative position (can also arrive the position that is fit to observe treatment) of patient and shock wave source, make calculus 4 be positioned on Ultrasonic-B probe 3 axis by the angle of regulating wave source axis and bed surface.At this moment, measuring Ultrasonic-B probe 3 surperficial distances to calculus 4 on the B ultrasonic image is H1 (as shown in Figure 5), and then by the vertical lift bed surface, mobile in vertical direction patient (should note suitably regulating the water yield of water pocket this moment, thereby avoid occurring water pocket 21 and make the water pocket 21 crooked or loose excessively situations that cause the two disengaging because of contacting tension) with the patient, with the distance adjustment on calculus 4 and Ultrasonic-B probe 3 surfaces is that (H is the distance of detecting head surface to the shock wave source focus to H, given when equipment dispatches from the factory), this moment, calculus 4 just was positioned on the focus of shock wave.

Because Ultrasonic-B probe 3 is fixed in the surge generator 2, and the axis of Ultrasonic-B probe 3 overlaps with the axis of surge generator 2, make Ultrasonic-B probe 3, calculus 4, acoustic lens 22 focus point-blank.Grasp the distance on probe 3 surfaces by detecting calculus 4 with B, only need mobile external knock wave calculi breaking device on this rectilinear direction, adjust the focal position of acoustic lens 22, acoustic lens 22 focuses are overlapped with calculus 4, thus the purpose of realization blast wave stone-breaking.This utility model extracorporeal shock-wave lithotripsy (ESWL) device is one with Ultrasonic-B probe 3 in conjunction with surge generator 2, has simplified position fixing process, has reduced position error, has improved therapeutic efficiency and therapeutic effect.

The above only is preferred embodiment of the present utility model; not in order to restriction this utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims

1, a kind of extracorporeal shock-wave lithotripsy (ESWL) device comprises surge generator and Ultrasonic-B probe, it is characterized in that: described Ultrasonic-B probe is fixed in the surge generator, and the axis of Ultrasonic-B probe overlaps with the axis of surge generator.

2, extracorporeal shock-wave lithotripsy (ESWL) device as claimed in claim 1, it is characterized in that: described surge generator comprises water pocket, acoustic lens, housing and the wave source generating means that is filled with liquid, described water pocket is connected with housing seal, acoustic lens is positioned at water pocket and fixedlys connected with the upper end of housing, the bottom of housing and wave source generating means are tightly connected, described Ultrasonic-B probe is positioned at described housing, and the one end is fixed on the acoustic lens, and the other end is fixed on the wave source generating means.

3, extracorporeal shock-wave lithotripsy (ESWL) device as claimed in claim 2, it is characterized in that: described wave source generating means comprises hold-down ring, shake film, flatwise coil, electromagnetic disc and ring flange, establish groove in the described ring flange, hold-down ring, shake film, flatwise coil and electromagnetic disc are positioned at described flange concave, described electromagnetic disc is fixedlyed connected with ring flange, flatwise coil fixedly is stacked and placed on the electromagnetic disc, the shake film fixedly is stacked and placed on the flatwise coil, described hold-down ring is stacked and placed on the shake film, and its end face is connected with the bottom surface of described housing.

4, extracorporeal shock-wave lithotripsy (ESWL) device as claimed in claim 3 is characterized in that: described shake film comprises aluminium alloy sheet and rubber ring, and described aluminium alloy sheet and rubber ring are provided with at interval.

5, as claim 3 or 4 described extracorporeal shock-wave lithotripsy (ESWL) devices, it is characterized in that: establish concentric pylone in described shake film, flatwise coil, electromagnetic disc and the ring flange, described Ultrasonic-B probe one end is arranged in the through hole, and is anchored in the electromagnetic disc by nut.