CN101785674B - Novel bladder scanner and test method thereof - Google Patents

Abstract

The invention discloses a novel bladder scanner and a test method thereof, relating to scanners and test methods thereof. The invention aims to provide a bladder scanner which can accurately measure the volume in the bladder and a test method thereof. The technical scheme is as follows: ultrasonic scanning is carried out on the inside of the bladder via an ultrasonic probe, an analog signal processor, a monitor, a central control system and a drive device, and signal reconstruction is carried out via the central control system; the bladder is separated into a plurality of sections and the sections are separated and scanned to form a plurality of slices in equal thickness; and the area and the volume of each slice are computed by integration, thus obtaining the accurate data of the volume in the bladder. The invention is mainly applied to ultrasonically testing the urine volume in the bladder.

Description

Novel bladder scanner and detection method thereof

Technical field

The present invention relates to a kind of ultrasonic scanner and using method thereof, particularly relate to a kind of novel bladder scanner and detection method thereof that is used for bladder scanning.

Background technology

The human bladder is cone-shaped cryptomere flesh sexual organ, be positioned at the anterior device in true pelvis http://baike.baidu.com/view/63296.htm chamber, bladder is cone-shaped when hollow, and shape becomes oval when being full of, being very odd-shaped state, is not the ellipse or the sub-elliptical of rule." approximate ellipsoid " method that product adopts in the market now is three footpaths d1, d2, the d3 that measures on two fat tangent planes of wing, and (d1 * d2 * d3) calculate volume, k is a constant, is determined by empirical value to adopt formula V=k*.The error that adopts the elliptic method computed volume to bring is big, and particularly for out-of-shape and the bigger objects of change of shape such as bladders, it detects and the error of result of calculation is brought serious consequence to user possibly.That is to say that the bladder detector in the middle of the prior art and the measurement result and the actual intravesical urine capacity of its detection method have bigger deviation, the repeatability of the accuracy of its measurement, the degree of accuracy of measurement, measurement needs to improve.

Summary of the invention

The purpose of this invention is to provide a kind of novel bladder scanner and detection method thereof, can effectively improve the reliability of detection and the service life of equipment, overcome and detect the big shortcoming of error in the prior art, the accuracy that has improved the interior volume of urine detection of volume accuracy of detection, particularly human bladder of irregular obform body is largely increased.

The objective of the invention is to realize by following technical proposal: novel bladder scanner comprises the ultrasonic probe of launching and accepting ultrasonic signal; The ultrasonic signal that ultrasonic probe is detected carry out the digital signal conversion signal processor;

The ultrasonic signal of signal processor transmission is carried out Flame Image Process and result outputed to the central control system of display and the operation of control entire equipment;

The control ultrasonic probe carries out ultrasound detection is carried out in multi-direction rotation to object drive motors;

Described ultrasonic probe can carry out ultrasonic tomogram scanning to bladder under the driving of drive motors, obtain scanning the complete information of the wall of urinary bladder that tangent plane cut, and the information transmission is arrived central control system.

In the above-mentioned novel bladder scanner, described ultrasonic probe is under the driving of drive motors, bladder is carried out ultrasonic tomogram scanning, be the ultrasonic scanning that axial line rotates continuously with a line that passes bladder earlier, form a plurality of tangent planes and obtain the information of whole wall of urinary bladder, then wall of urinary bladder is carried out the section scanning of equal thickness perpendicular to the tangent plane of axial line, form the section of a plurality of equal thickness, this moment, central control system was handled each section according to the ultrasound information that obtains, thereby the volume that calculates each section obtains whole intravesical volume.

In the above-mentioned novel bladder scanner, described probe comprises a transducer that transmits and receives ultrasonic signal, and the control printed board that is connected with transducer by connection cord, and wherein connection cord is shaped as spring balance-like structure.

The detection method of novel bladder scanner comprises the following steps:

A, by central control system control, drive motors drives probe bladder is scanned;

B, elder generation are axial line with a line that passes bladder, around the successive ultrasonic scanning that carries out of axial line rotation, form a plurality of tangent planes and obtain the information of whole wall of urinary bladder, and by signal processor with conversion of signals after by central control system with signal reconstruction, obtain accurate wall of urinary bladder information;

C, to carry out the ultrasonic scanning of equal thickness perpendicular to the tangent plane scan mode of axial line, each tangent plane among the step b is cut into a plurality of sections of equal thickness;

D, information processing is carried out in the section that obtains from above-mentioned steps, obtain the precise information of each section, this moment, each section was for intending sector structure, after calculating the area of each section, multiply by the volume that thickness promptly obtains each section place aspect, thereby each volume addition draws the volume of whole intravesical object.

In the detection method of above-mentioned novel bladder scanner, in the described steps d, each section is for intending sector structure, adjacent 2 P2 on outer edge and one P1 of P3 on the central hub line form one and intend sector structure, for example adopt 12 cuttings that whole bladder evenly is divided into 24 scanning valve cuttings, then its area account form is as follows: if adjacent 2 P2, P3 polar coordinate are respectively: (r _i, 0) and P1, P2, P3 plan sectorial area are so:

$S^i=\frac{1}{2}\mathrm{Sin}\frac{\mathrm{\π}}{12}\underset{i=0}{\overset{23}{\mathrm{\Σ}}}{r}_i\·r_{i+1}$

With scanning the area addition of each section of gained, multiply by the thickness of section, then obtain the volume of each tangent plane, and then obtain the whole bladder or the volume of intravesical object.

From above-mentioned feature of the present invention as can be seen, the invention has the advantages that: a kind of bladder scanner and detection method thereof that accurately detects bladder and interior amount of urine thereof under the situation that reduces user intervention to greatest extent is provided, overcome the bigger shortcoming of detection method error of the prior art, detection to irregular obform body reaches more accurate degree, by continuous cutting scanning and refinement to irregular body, and the account form of associative multiplication point-score is calculated the interior of articles volume, error is very little, is particularly suitable for the detection to bladder and interior amount of urine thereof.

Description of drawings

The present invention will illustrate by embodiment and with reference to the mode of accompanying drawing, wherein:

Fig. 1 is the tangent plane scanning sketch map of detection method of the present invention

Fig. 2 is the section scanning sketch map of detection method of the present invention

Fig. 3 is that the sector structure sketch map is intended in each section of the present invention

Fig. 4 is the internal structure block diagram representation of scanner of the present invention

Fig. 5 is the connection cord structural representation of probe of the present invention

Wherein Reference numeral 1 is that transducer 2 is that connection cord 3 is control printed boards

The specific embodiment

The present invention is described further below in conjunction with accompanying drawing:

Preferred embodiment

Novel bladder scanner as shown in Figure 4 and Figure 5 comprises the ultrasonic probe of launching and accepting ultrasonic signal; The ultrasonic signal that ultrasonic probe is detected carry out the digital signal conversion analogue signal processor;

The ultrasonic signal of signal processor transmission is carried out Flame Image Process and result outputed to the central control system of display and the operation of control entire equipment;

The control ultrasonic probe carries out ultrasound detection is carried out in multi-direction rotation to object drive motors;

Described ultrasonic probe can carry out ultrasonic tomogram scanning to bladder under the driving of drive motors, obtain scanning the complete information of the wall of urinary bladder that tangent plane cut, and the information transmission is arrived central control system.

In above-mentioned novel bladder scanner, described ultrasonic probe is under the driving of drive motors, bladder is carried out ultrasonic tomogram scanning, be the ultrasonic scanning that axial line rotates continuously with a line that passes bladder earlier, form a plurality of tangent planes and obtain the information of whole wall of urinary bladder, then wall of urinary bladder is carried out the section scanning of equal thickness perpendicular to the tangent plane of axial line, form the section of a plurality of equal thickness, this moment, central control system was handled each section according to the ultrasound information that obtains, thereby the volume that calculates each section obtains whole intravesical volume.

As shown in Figure 5, described probe comprises a transducer 1 that transmits and receives ultrasonic signal, and the control printed board 3 that is connected with transducer 1 by connection cord 2, and wherein connection cord 2 is shaped as spring balance-like structure.

As Fig. 1, Fig. 2 and shown in Figure 3, the detection method of novel bladder scanner comprises the following steps:

A, by central control system control, drive motors drives probe bladder is scanned;

B, elder generation are axial line with a line that passes bladder, around the successive ultrasonic scanning that carries out of axial line rotation, form a plurality of tangent planes (tangent plane N as shown in Figure 1) and obtain the information of whole wall of urinary bladder, and by analogue signal processor with conversion of signals after by central control system with signal reconstruction, obtain accurate wall of urinary bladder information;

C, to carry out the ultrasonic scanning of equal thickness perpendicular to the tangent plane scan mode of axial line, each tangent plane among the step b is cut into a plurality of sections (section N1 as shown in Figure 2) of equal thickness;

D, information processing is carried out in the section that obtains from above-mentioned steps, obtain the precise information of each section, this moment, each section was for intending sector structure, after calculating the area of each section, multiply by the volume that thickness promptly obtains each section place aspect, thereby each volume addition draws the volume of whole intravesical object.

The detection method of above-mentioned novel bladder scanner, in the described steps d, each section (section N1 as shown in Figure 2) is for intending sector structure, adjacent 2 P2 on outer edge and P3 (each point of section N1 as shown in Figure 3, comprise P1, P2 and P3), 1 P1 on the central hub line forms one and intends sector structure, for example adopts 12 cuttings that whole bladder evenly is divided into 24 scanning tangent planes, and then its area account form is as follows: if adjacent 2 P2, the P3 utmost point

Coordinate is respectively: (r _i, 0) and

P1, P2, P3 plan sectorial area are so:

$S^i=\frac{1}{2}\mathrm{Sin}\frac{\mathrm{\π}}{12}\underset{i=0}{\overset{23}{\mathrm{\Σ}}}{r}_i\·r_{i+1}$

With scanning the area addition of each section of gained, multiply by the thickness of section, then obtain the volume of each tangent plane, and then obtain the whole bladder or the volume of intravesical object.

In the above-mentioned detection method, can be that axis of rotation scans with an axial line that passes bladder, scanning times can be determined as required, not only is confined to 12 partitioning schemes of foregoing description, can be arbitrarily.The present invention detects the big problem of error in the middle of having overcome prior art, has effectively improved the volume accuracy of detection of irregular obform body, and the volume that particularly is suitable for human bladder and urine thereof detects.

Disclosed all features in this description except mutually exclusive feature, all can make up by any way.

Disclosed arbitrary feature in this description (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.

The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (4)

1. novel bladder scanner comprises the ultrasonic probe of launching and accepting ultrasonic signal; The ultrasonic signal that ultrasonic probe is detected carry out the digital signal conversion signal processor;

The ultrasonic signal of signal processor transmission is carried out Flame Image Process and result outputed to the central control system of display and the operation of control entire equipment;

The control ultrasonic probe carries out ultrasound detection is carried out in multi-direction rotation to object drive motors;

It is characterized in that described ultrasonic probe is under the driving of drive motors, can carry out ultrasonic tomogram scanning to bladder, obtain scanning the complete information of the wall of urinary bladder that tangent plane cut, and with the information transmission to central control system, described ultrasonic probe is under the driving of drive motors, bladder is carried out ultrasonic tomogram scanning, be the ultrasonic scanning that axial line rotates continuously with a line that passes bladder earlier, form a plurality of tangent planes and obtain the information of whole wall of urinary bladder, then wall of urinary bladder is carried out the section scanning of equal thickness perpendicular to the tangent plane of axial line, form the section of a plurality of equal thickness, this moment, central control system was handled each section according to the ultrasound information that obtains, thereby the volume that calculates each section obtains whole intravesical volume.

2. novel bladder scanner according to claim 1, it is characterized in that described probe comprises a transducer (1) that transmits and receives ultrasonic signal, and the control printed board (3) that is connected with transducer (1) by connection cord (2), wherein connection cord (2) is shaped as spring balance-like structure.

3. the detection method of novel bladder scanner according to claim 2 is characterized in that comprising the following steps:

A, by central control system control, drive motors drives probe bladder is scanned;

B, elder generation are axial line with a line that passes bladder, around the successive ultrasonic scanning that carries out of axial line rotation, form a plurality of tangent planes and obtain the information of whole wall of urinary bladder, and by signal processor with conversion of signals after by central control system with signal reconstruction, obtain accurate wall of urinary bladder information;

C, to carry out the ultrasonic scanning of equal thickness perpendicular to the tangent plane scan mode of axial line, each tangent plane among the step b is cut into a plurality of sections of equal thickness;

D, information processing is carried out in the section that obtains from above-mentioned steps, obtain the precise information of each section, this moment, each section was for intending sector structure, after calculating the area of each section, multiply by the volume that thickness promptly obtains each section place aspect, thereby each volume addition draws the volume of whole intravesical object.

4. the detection method of novel bladder scanner according to claim 3, it is characterized in that in the described steps d, each section is for intending sector structure, adjacent 2 P2 on outer edge and one P1 of P3 on the central hub line form one and intend sector structure, for example adopt 12 cuttings that whole bladder evenly is divided into 24 scanning valve cuttings, then its area account form is as follows: if adjacent 2 P2, P3 polar coordinate are respectively: (

, 0) and (

,

), P1, P2, P3 plan sectorial area are so:

S

=

Sin

With scanning the area addition of each section of gained, multiply by the thickness of section, then obtain the volume of each tangent plane, and then obtain the whole bladder or the volume of intravesical object.

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