CN105769387A - PAVR (Percutaneous Aortic Valve Replacement) operation conveying device with valve positioning function - Google Patents
PAVR (Percutaneous Aortic Valve Replacement) operation conveying device with valve positioning function Download PDFInfo
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- 210000001765 aortic valve Anatomy 0.000 title claims abstract description 53
- 239000000523 sample Substances 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims description 43
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- 230000008569 process Effects 0.000 claims description 21
- 238000001228 spectrum Methods 0.000 claims description 21
- 230000006870 function Effects 0.000 claims description 20
- 238000000354 decomposition reaction Methods 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 16
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- 238000005070 sampling Methods 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 230000009466 transformation Effects 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 11
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- 238000004891 communication Methods 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 9
- 238000012706 support-vector machine Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims description 7
- 230000006872 improvement Effects 0.000 claims description 7
- 239000012780 transparent material Substances 0.000 claims description 6
- 238000003672 processing method Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
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- 239000000843 powder Substances 0.000 claims description 3
- 230000003595 spectral effect Effects 0.000 claims description 3
- 230000005428 wave function Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 208000035965 Postoperative Complications Diseases 0.000 abstract description 7
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 description 10
- 230000006835 compression Effects 0.000 description 9
- 206010058046 Post procedural complication Diseases 0.000 description 6
- 230000006837 decompression Effects 0.000 description 6
- 238000002513 implantation Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 206010002906 aortic stenosis Diseases 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000013144 data compression Methods 0.000 description 3
- 238000013500 data storage Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
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- 238000002474 experimental method Methods 0.000 description 2
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- 230000002861 ventricular Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 230000004217 heart function Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2442—Annuloplasty rings or inserts for correcting the valve shape; Implants for improving the function of a native heart valve
- A61F2/2466—Delivery devices therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2427—Devices for manipulating or deploying heart valves during implantation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
- G06F18/211—Selection of the most significant subset of features
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- G—PHYSICS
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- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/23—Clustering techniques
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
- G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
- G16H40/63—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
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- G—PHYSICS
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- G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
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- G—PHYSICS
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- G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
- G06F2218/02—Preprocessing
- G06F2218/04—Denoising
- G06F2218/06—Denoising by applying a scale-space analysis, e.g. using wavelet analysis
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
- G06F2218/08—Feature extraction
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Abstract
The invention discloses a PAVR (Percutaneous Aortic Valve Replacement) operation conveying device with a valve positioning function. The device comprises an active valve, a gripping device, a positioning rod, a regulating line, a hinge pin, an ultrasonic transducer, a microwave probe, a control device, a power supply device and a shell; the active valve is arranged at the tail end of the gripping device; the other end of the gripping device is connected with the positioning rod; the ultrasonic transducer is arranged at the right side of the shell; the tail end of the ultrasonic transducer is connected with the device shell by the hinge pin; the tail end of the ultrasonic transducer is connected with the regulating line; the control device is arranged at the outer end of the shell; the power supply device is connected with the control device. The PAVR operation conveying device with the valve positioning function has a simple structure and can take a good assisting effect on positioning on an implanted valve; intelligent control of the control device can improve a success rate of a PAVR operation, reduce operation difficulty, reduce postoperative complications, reduce operation pain and risks for patients, and reduce medical cost.
Description
Technical field
The invention belongs to medical instruments field, particularly relate to a kind of percutaneous aortic valve replacement operation conveyer device with valve positioning function.
Background technology
At present, showing according to related statistics, at the age more than in 65 years old old people, the aortic stenosis incidence rate caused by calcific aortic valve reaches 2%~7%, and ratio is more and more higher with age.Severe aortic stenosis patient's left heart function is badly damaged, and quality of life of patients declines and life span substantially shortens, it is necessary to effectively treat.Up to now, the patient of operative indication, surgery aortic valve prosthesis's replacement there are to remain first-selected treatment those.
2002, AlainCribier was carrying out on a large amount of zooperal basis, was that the 1 example severe aortic stenosis patient of 57 years old has carried out through conduit aortic valve prosthesis's replacement first.Since then, little with its wound through conduit aortic valve replacement, the advantages such as post-operative complication is few are that the patient having lost surgical operation chance clinically brings Gospel, and are developed in many countries and improve.Widely used at present is SANYE self-inflated aortic valve implantation, and updates in biomaterial and delivery instrument, makes percutaneous aortic valve replacement be possibly realized.
When carrying out High Speed Analog/digital conversion operation, substantial amounts of data can be produced, when these data collected are stored or to be transmitted, it is necessary to take substantial amounts of memory space and transmission bandwidth.
When acquisition rate is higher, it is possible to allow to carry out data storage with high costs with what data were transmitted.It is necessary to the data to gathering and carry out data compression, data after compression are stored and transmit, again compression data are carried out decompression operation when needed, thus reducing the cost carrying out data storage and data transmission so that Coutinuous store High Speed Analog/digital conversion results is possibly realized.
Limiting the subject matter that this technology carries out at present is owing to can not control very well for the location of implantation instrument in operating process, causes release to come off or position is inaccurate, has had a strong impact on the success rate of operation and the control of post-operative complication.
Summary of the invention
It is an object of the invention to provide a kind of percutaneous aortic valve replacement operation conveyer device with valve positioning function, operating process aim to solve the problem that owing to can not control very well for the location of implantation instrument, cause release to come off or position is inaccurate, have a strong impact on the success rate of operation and the problem of the control of post-operative complication.
nullThe present invention is realized in,A kind of percutaneous aortic valve replacement operation conveyer device with valve positioning function,This percutaneous aortic valve replacement operation conveyer device with valve positioning function includes aortic valve、Grabbing device、Location bar、Regulate line、Bearing pin、Ultrasonic transducer、Microwave probe、Control device、Supply unit and shell,Described aortic valve is arranged on the end of described grabbing device,The other end of described grabbing device is connected with described location bar,Described ultrasonic transducer is arranged on the right side of described shell,The end of described ultrasonic transducer is connected with device housings by described bearing pin,The tail end of described ultrasonic transducer is connected to adjustment line,The right-hand member of described ultrasonic transducer is provided with microwave probe,Described control device is arranged on the outer end of described shell,Described control device is connected with microwave probe respectively at described ultrasonic transducer by data wire,Described supply unit connects described control device.
This device firmly captures, by grabbing device, the SANYE self-inflated aortic valve to replace, regulate the position of location SANYE self-inflated aortic valve by positioning bar, be connected data line transfer by internal ultrasonic transducer with microwave probe and observe the installation situation of SANYE self-inflated aortic valve to external control device intuitively.
Further, described grabbing device is circular, the lower end of described grabbing device is provided with the sucker for adsorbing aortic valve, and described grabbing device is provided with four stayed poles, in 90 degree between junction point and the line of centres of circular grabbing device of described stayed pole and grabbing device.
Further, the cantilever end of described location bar is with circular arc or circular ring structure, and described location bar can launch within the scope of at least 90 degree, and body of rod length should be greater than implanting valve bracket left ventricular outflow tract view side radius.
Further, described microwave probe includes Microwave cover, elastic sealing cover, heat conduction coolant and microwave probe element, described Microwave cover is airtight with described elastic sealing cover is connected formation confined space, described microwave probe element is arranged in described Microwave cover and is fixed on described elastic packing lid, fill heat conduction coolant in described confined space.
Further, described microwave probe element includes microwave probe chip assembly, transparent outer cover, fluorescent material and heat conductive transparent material, the inwall of described transparent outer cover or outer wall are coated with phosphor powder layer, described microwave probe chip assembly is placed in described transparent outer cover, heat conductive transparent material described in embedding between described transparent outer cover and described microwave probe chip assembly.
Further, described control device includes control chip, display device, storage device, control switch and on and off switch, and described control chip connects described display device, storage device and control switch, and described on and off switch connects described supply unit.
Further, described display device is tangible LCDs, display floater, elementary layer, adhesive linkage is included inside it, described elementary layer is arranged on the outside of described display floater, described adhesive linkage is arranged between described display floater and described elementary layer, wherein, the second edge of the bonding plane being adhered to described elementary layer of the first edge of the bonding plane being adhered to described display floater of described adhesive linkage and described adhesive linkage is mutually displaced along bonding plane direction.
Further, described supply unit includes power supply connecting device, electrical storage device and protective relaying device.
Further, described power supply connecting device includes at least one power supply input circuit connecting external power source and the load output circuit of at least one connection load.
Further, described electrical storage device includes the accumulator charging/discharging circuit connecting accumulator.
Further, described control chip includes signal receiving module and signal processing module, and described signal receiving module and signal processing module are connected by pin.
Further, the signal acceptance method of described signal receiving module is:
Characteristic spectrum according to receiving signal determines decision plane;
Judge whether the communication channel receiving signal presents mutatis mutandis static conversion characteristic;
When described communication channel presents mutatis mutandis static conversion characteristic, support vector machine method is utilized to select decision boundary in described decision plane;
When communication channel does not present mutatis mutandis static conversion characteristic, fuzzy clustering method is utilized to select decision boundary in described decision plane;
Detect to the received signal according to described decision boundary.
Further, the described characteristic spectrum according to reception signal determines that decision plane method is:
Discrete signal vector to received signal carries out linear transformation and obtains unitary transformation matrix;
The energy feature spectrum receiving signal is calculated according to the elements in a main diagonal in described unitary transformation matrix and counter-diagonal element;
Decision plane is obtained from described energy feature composing;
From described energy feature spectrum, least one set characteristic vector is extracted according to encircled energy, waveform symmetry and local wave function variance that described energy feature is composed;
From the characteristic vector extracted, the characteristic vector as decision plane is obtained according to the mode of pattern classification;
The discrete signal vector of described reception signal is obtained by the sampling of Nyquist law, and sampling length contains the predetermined ratio energy receiving signal;
Obtain before decision plane in composing from described energy feature, also carry out described energy feature spectrum is carried out moving average process;
Calculating, according to the elements in a main diagonal in described unitary transformation matrix and counter-diagonal element, the energy feature spectral method receiving signal is:
The matrix that counter-diagonal is elementary composition carries out square and is multiplied by the matrix of the elements in a main diagonal composition, obtains receiving the energy feature spectrum of signal.
Further, described extraction eigenvector method specifically includes following steps:
Obtain signal: by sensor acquisition data and signal is amplified process;
Signal carries out segment processing: namely extract average, variance, the accumulated value of signal and 4 basic time domain parameters of peak value from every segment signal, determining whether that the ground floor decision-making that the situation of doubtful leakage occurs judges by the difference of the 4 of adjacent segment signal parameter values: if having, down performing wavelet packet denoising, no person, jumps to execution and obtains signal;
Wavelet packet denoising: namely utilize improvement Wavelet Packet Algorithm that the signal gathered is carried out denoising;
WAVELET PACKET DECOMPOSITION and reconstruct: namely utilize improvement Wavelet Packet Algorithm that the signal gathered is carried out WAVELET PACKET DECOMPOSITION and reconstruct, obtain list band reconstruction signal;
Extract signal characteristic parameter: namely from the list band signal of reconstruct, extract time domain energy, time domain peak, frequency domain energy, frequency domain peak value, coefficient of kurtosis, variance, frequency spectrum and coefficient of skewness 8 and represent the parameter of signal characteristic;
Composition characteristic vector: namely utilize principal component analytical method, Binding experiment is analyzed, 3 to 8 parameter composition characteristic vectors that can substantially represent sound emission signal characteristic are selected from above-mentioned parameter, and these characteristic vectors are input to support vector machine carry out decision-making judgement, namely second layer decision-making judges, determines whether that leakage occurs according to the output of support vector machine.
Further, described wavelet packet denoising and WAVELET PACKET DECOMPOSITION and reconstructing method are:
Signals extension, carries out parabola continuation to each layer signal of WAVELET PACKET DECOMPOSITION;
If signal data is x (a), x (a+1), x (a+2), then the expression formula of continuation operator E is:
Eliminate list band un-necessary frequency composition;
By the signal after continuation and decomposition low pass filter h0Convolution, obtains low frequency coefficient, is then passed through HF-cut-IF operator and processes, removes unnecessary frequency content, then carry out down-sampling, obtain the low frequency coefficient of next layer;By the signal after continuation and decomposition high pass filter g0Convolution, obtains high frequency coefficient, is then passed through LF-cut-IF operator and processes, remove unnecessary frequency content, then carry out down-sampling, obtain next layer of high frequency coefficient, shown in HF-cut-IF operator such as formula (2), shown in LF-cut-IF operator such as formula (3);
In (2), (3) formula, x (n) is 2jThe coefficient of wavelet packet, N on yardstickjRepresent 2jThe length of data on yardstick,K=0,1 ..., Nj-1;N=0,1 ..., Nj-1;
List band signal reconstructs:
The high and low frequency coefficient obtained is carried out up-sampling, then respectively with high pass reconstruction filter g1With low-pass reconstruction filter h1Convolution, processes the signal obtained with HF-cut-IF, LF-cut-IF operator respectively, obtains list band reconstruction signal.
Further, signal processing module processing method is:
A. latter data adjacent in continuous data is deducted last data, obtain difference data;
B. described difference data is stored;
C. carry out one by one the data in described continuous data such as the operation of step a and b, till described continuous data terminates, obtaining the compressed data stream of described continuous data;
D. detecting the flag bit of hyte in described compressed data stream successively, until detecting that m-th terminates hyte, m is more than 1 and is not more than the integer of n;
E. described m-th is terminated hyte and described m-th terminates hyte and the m-1 whole non-end hyte terminated between hyte is reduced to m-th difference data;
F. plus described m-th difference data in the m-1 data, reduction obtains the than the m-th data in described continuous data;
G. each hyte in described compressed data stream is performed step d to f successively, until described compressed data stream terminates, the continuous data after being decompressed;
Described latter data adjacent in continuous data is deducted last data, before obtaining the step of difference data, also include: configure basic unit of storage at storage device, described basic unit of storage is a hyte comprising many bits (bit), described hyte comprises the flag bit of 1bit, in described hyte, other bits except described flag bit are data bit, and described flag bit is for showing whether described hyte is store the end hyte that difference data terminates;
Described flag bit is the highest order of described hyte;
Latter data adjacent in continuous data is deducted last data, before obtaining the step of difference data, also includes: first data and 0 in described continuous data are subtracted each other, obtains first difference data;
The step of the described difference data of described storage includes: the size according to described difference data, distributes one or more hyte and stores described difference data;It is show that this hyte is store the end hyte that described difference data terminates by the mark position storing last hyte of a difference data;
When distributing multiple hytes and storing described difference data, the step of the described difference data of described storage also includes: by the mark position of other hytes except last hyte storing described difference data for showing that this hyte is non-end hyte;
The compressed data stream of described continuous data includes n difference data, and n is the number of data in described continuous data, the described difference data sequence consensus in described continuous data of the data with this difference data of generation that sorts in described compressed data stream;
Described m-th is terminated hyte and described m-th terminates hyte and the m-1 whole non-end hyte terminated between hyte is reduced to m-th difference data particularly as follows: described m-th terminates hyte and described m-th terminates the data bit of the whole non-end hyte between hyte and the m-1 end hyte and is reduced to m-th difference data.
Percutaneous aortic valve replacement operation conveyer device with valve positioning function provided by the invention firmly captures, by grabbing device, the SANYE self-inflated aortic valve to replace by grabbing device, the position of SANYE self-inflated aortic valve is regulated by the stayed pole on conveyer device, by internal ultrasonic transducer and microwave probe, the installation situation of SANYE self-inflated aortic valve is observed intuitively by data line transfer to exterior display device, simple in construction, perform the operation more intuitively, improve the success rate of operation and the control to postoperative complication;
The present invention arranges ultrasonic transducer, improves the accuracy of monitoring;The intelligent signal processing controlling device makes control very well for the location of implantation instrument in operative process, and release comes off or position is accurate;
Latter data adjacent in continuous data is deducted last data by the present invention, obtain difference data, store described difference data, carry out one by one the data in described continuous data above-mentioned asking difference data the operation stored, till described continuous data terminates, obtain the compressed data stream of described continuous data, it is achieved that the compression to continuous data, solve data compression decompression problem during Coutinuous store High Speed Analog/digital conversion results;
The present invention integrates Based Intelligent Control, convenient, safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of the percutaneous aortic valve replacement operation conveyer device with valve positioning function that the embodiment of the present invention provides;
Fig. 2 is the structural representation of the microwave probe that the embodiment of the present invention provides;
Fig. 3 is the structural representation controlling device that the embodiment of the present invention provides;
Fig. 4 is the structural representation of the display device that the embodiment of the present invention provides;
Fig. 5 is the structural representation of the supply unit that the embodiment of the present invention provides.
In figure: 1, aortic valve;2, grabbing device;3, location bar;4, line is regulated;5, bearing pin;6, ultrasonic transducer;7, microwave probe;7-1, Microwave cover;7-2, elastic sealing cover;7-3, heat conduction coolant;7-4, microwave probe element;8, device is controlled;8-1, control chip;8-2, display device;8-2-1, display floater;8-2-2, elementary layer;8-2-3, adhesive linkage;8-3, storage device;8-4, control switch;8-5, on and off switch;9, supply unit;9-1, power supply connecting device;9-2, electrical storage device;9-3, protective relaying device;10, shell.
Fig. 6 is the signal acceptance method flow chart of signal receiving module provided by the invention;
Fig. 7 is the process flow figure of signal processing module provided by the invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Below in conjunction with accompanying drawing, the application principle of the present invention is further described.
nullAs shown in Figures 1 to 5: this percutaneous aortic valve replacement operation conveyer device with valve positioning function includes aortic valve 1、Grabbing device 2、Location bar 3、Regulate line 4、Bearing pin 5、Ultrasonic transducer 6、Microwave probe 7、Control device 8、Supply unit 9 and shell 10,Described aortic valve 1 is arranged on the end of described grabbing device 2,The other end of described grabbing device 2 is connected with described location bar 3,Described ultrasonic transducer 6 is arranged on the right side of described shell 10,The end of described shooting 6 is connected with device housings 10 by described bearing pin 5,The tail end of described ultrasonic transducer 6 is connected to adjustment line 4,The right-hand member of described ultrasonic transducer 6 is provided with microwave probe 7,Described control device 8 is arranged on the outer end of described shell 10,Described control device 8 is connected with microwave probe 7 with described ultrasonic transducer 6 respectively by data wire,Described supply unit 9 connects described control device 8.This device firmly captures, by grabbing device 2, the SANYE self-inflated aortic valve 1 to replace, regulate the position of location SANYE self-inflated aortic valve 1 by positioning bar 3, be connected data line transfer by internal ultrasonic transducer 6 with microwave probe 7 and fill 8 installation situation putting observation SANYE self-inflated aortic valve 1 intuitively to external control.
Further, described crawl fills 2 and is set to circle, the lower end of described grabbing device 2 is provided with the sucker for adsorbing aortic valve, and described grabbing device 2 is provided with four stayed poles, in 90 degree between junction point and the line of centres of circular grabbing device of described stayed pole and grabbing device.
Further, the cantilever end of described location bar 3 is with circular arc or circular ring structure, and described location bar 3 can launch within the scope of at least 90 degree, and body of rod length should be greater than implanting valve bracket left ventricular outflow tract view side radius.
Further, described microwave probe 7 includes Microwave cover 7-1, elastic sealing cover 7-2, heat conduction coolant 7-3 and microwave probe element 7-4, described Microwave cover 7-1 is airtight with described elastic sealing cover 7-2 is connected formation confined space, described microwave probe element 7-4 is arranged in described Microwave cover 7-1 and is fixed on described elastic sealing cover 7-2, fill heat conduction coolant 7-3 in described confined space.
Further, described microwave probe element 7-4 includes microwave probe chip assembly, transparent outer cover, fluorescent material and heat conductive transparent material, the inwall of described transparent outer cover or outer wall are coated with phosphor powder layer, described microwave probe chip assembly is placed in described transparent outer cover, heat conductive transparent material described in embedding between described transparent outer cover and described microwave probe chip assembly.
Further, described control device 8 includes control chip 8-1, display device 8-2, storage device 8-3, controls switch 8-4 and on and off switch 8-5, described control chip connects described display device 8-2, storage device 8-3 and controls switch 8-4, and described on and off switch 8-5 connects described supply unit 9.
Further, described display device 8-2 is tangible LCDs, display floater 8-2-1, elementary layer 8-2-2, adhesive linkage 8-2-3 is included inside it, described elementary layer 8-2-2 is arranged on the outside of described display floater 8-2-1, described adhesive linkage 8-2-3 is arranged between described display floater 8-2-1 and described elementary layer 8-2-2, wherein, the second edge of the bonding plane being adhered to described elementary layer 8-2-2 of the first edge of the bonding plane being adhered to described display floater 8-2-1 of described adhesive linkage 8-2-3 and described adhesive linkage 8-2-3 is mutually displaced along bonding plane direction.
Further, described supply unit 9 includes power supply connecting device 9-1, electrical storage device 9-2 and protective relaying device 9-3.
Further, described power supply connecting device 9-1 includes at least one power supply input circuit connecting external power source and the load output circuit of at least one connection load.
Further, described electrical storage device 9-2 includes the accumulator charging/discharging circuit connecting accumulator.
Further, described control chip includes signal receiving module and signal processing module, and described signal receiving module and signal processing module are connected by pin.
As shown in Figure 6: the signal acceptance method of described signal receiving module is:
S101: the characteristic spectrum according to receiving signal determines decision plane;
S102: judge whether the communication channel receiving signal presents mutatis mutandis static conversion characteristic;
S103: when described communication channel presents mutatis mutandis static conversion characteristic, utilizes support vector machine method to select decision boundary in described decision plane;
S104: when communication channel does not present mutatis mutandis static conversion characteristic, utilizes fuzzy clustering method to select decision boundary in described decision plane;
S105: detect to the received signal according to described decision boundary.
Further, the described characteristic spectrum according to reception signal determines that decision plane method is:
Discrete signal vector to received signal carries out linear transformation and obtains unitary transformation matrix;
The energy feature spectrum receiving signal is calculated according to the elements in a main diagonal in described unitary transformation matrix and counter-diagonal element;
Decision plane is obtained from described energy feature composing;
From described energy feature spectrum, least one set characteristic vector is extracted according to encircled energy, waveform symmetry and local wave function variance that described energy feature is composed;
From the characteristic vector extracted, the characteristic vector as decision plane is obtained according to the mode of pattern classification;
The discrete signal vector of described reception signal is obtained by the sampling of Nyquist law, and sampling length contains the predetermined ratio energy receiving signal;
Obtain before decision plane in composing from described energy feature, also carry out described energy feature spectrum is carried out moving average process;
Calculating, according to the elements in a main diagonal in described unitary transformation matrix and counter-diagonal element, the energy feature spectral method receiving signal is:
The matrix that counter-diagonal is elementary composition carries out square and is multiplied by the matrix of the elements in a main diagonal composition, obtains receiving the energy feature spectrum of signal.
Further, described extraction eigenvector method specifically includes following steps:
Obtain signal: by sensor acquisition data and signal is amplified process;
Signal carries out segment processing: namely extract average, variance, the accumulated value of signal and 4 basic time domain parameters of peak value from every segment signal, determining whether that the ground floor decision-making that the situation of doubtful leakage occurs judges by the difference of the 4 of adjacent segment signal parameter values: if having, down performing wavelet packet denoising, no person, jumps to execution and obtains signal;
Wavelet packet denoising: namely utilize improvement Wavelet Packet Algorithm that the signal gathered is carried out denoising;
WAVELET PACKET DECOMPOSITION and reconstruct: namely utilize improvement Wavelet Packet Algorithm that the signal gathered is carried out WAVELET PACKET DECOMPOSITION and reconstruct, obtain list band reconstruction signal;
Extract signal characteristic parameter: namely from the list band signal of reconstruct, extract time domain energy, time domain peak, frequency domain energy, frequency domain peak value, coefficient of kurtosis, variance, frequency spectrum and coefficient of skewness 8 and represent the parameter of signal characteristic;
Composition characteristic vector: namely utilize principal component analytical method, Binding experiment is analyzed, 3 to 8 parameter composition characteristic vectors that can substantially represent sound emission signal characteristic are selected from above-mentioned parameter, and these characteristic vectors are input to support vector machine carry out decision-making judgement, namely second layer decision-making judges, determines whether that leakage occurs according to the output of support vector machine.
Further, described wavelet packet denoising and WAVELET PACKET DECOMPOSITION and reconstructing method are:
Signals extension, carries out parabola continuation to each layer signal of WAVELET PACKET DECOMPOSITION;
If signal data is x (a), x (a+1), x (a+2), then the expression formula of continuation operator E is:
Eliminate list band un-necessary frequency composition;
By the signal after continuation and decomposition low pass filter h0Convolution, obtains low frequency coefficient, is then passed through HF-cut-IF operator and processes, removes unnecessary frequency content, then carry out down-sampling, obtain the low frequency coefficient of next layer;By the signal after continuation and decomposition high pass filter g0Convolution, obtains high frequency coefficient, is then passed through LF-cut-IF operator and processes, remove unnecessary frequency content, then carry out down-sampling, obtain next layer of high frequency coefficient, shown in HF-cut-IF operator such as formula (2), shown in LF-cut-IF operator such as formula (3);
In (2), (3) formula, x (n) is 2jThe coefficient of wavelet packet, N on yardstickjRepresent 2jThe length of data on yardstick,K=0,1 ..., Nj-1;N=0,1 ..., Nj-1;
List band signal reconstructs:
The high and low frequency coefficient obtained is carried out up-sampling, then respectively with high pass reconstruction filter g1With low-pass reconstruction filter h1Convolution, processes the signal obtained with HF-cut-IF, LF-cut-IF operator respectively, obtains list band reconstruction signal.
As shown in Figure 7: signal processing module processing method is:
S201: latter data adjacent in continuous data is deducted last data, obtains difference data;
S202: store described difference data;
S203: carry out one by one the data in described continuous data such as the operation of step S201 and S202, till described continuous data terminates, obtaining the compressed data stream of described continuous data;
S204: detect the flag bit of hyte in described compressed data stream successively, until detecting that m-th terminates hyte, m is more than 1 and is not more than the integer of n;
S205: described m-th is terminated hyte and described m-th terminates hyte and the m-1 whole non-end hyte terminated between hyte is reduced to m-th difference data;
S206: plus described m-th difference data in the m-1 data, reduction obtains the than the m-th data in described continuous data;
S207: each hyte in described compressed data stream is performed step S204 to S206 successively, until described compressed data stream terminates, the continuous data after being decompressed;
Described latter data adjacent in continuous data is deducted last data, before obtaining the step of difference data, also include: configure basic unit of storage at storage device, described basic unit of storage is a hyte comprising many bits (bit), described hyte comprises the flag bit of 1bit, in described hyte, other bits except described flag bit are data bit, and described flag bit is for showing whether described hyte is store the end hyte that difference data terminates;
Described flag bit is the highest order of described hyte;
Latter data adjacent in continuous data is deducted last data, before obtaining the step of difference data, also includes: first data and 0 in described continuous data are subtracted each other, obtains first difference data;
The step of the described difference data of described storage includes: the size according to described difference data, distributes one or more hyte and stores described difference data;It is show that this hyte is store the end hyte that described difference data terminates by the mark position storing last hyte of a difference data;
When distributing multiple hytes and storing described difference data, the step of the described difference data of described storage also includes: by the mark position of other hytes except last hyte storing described difference data for showing that this hyte is non-end hyte;
The compressed data stream of described continuous data includes n difference data, and n is the number of data in described continuous data, the described difference data sequence consensus in described continuous data of the data with this difference data of generation that sorts in described compressed data stream;
Described m-th is terminated hyte and described m-th terminates hyte and the m-1 whole non-end hyte terminated between hyte is reduced to m-th difference data particularly as follows: described m-th terminates hyte and described m-th terminates the data bit of the whole non-end hyte between hyte and the m-1 end hyte and is reduced to m-th difference data.
The signal processing module processing method of the present invention, it is possible to continuous data is carried out Real Time Compression, it is achieved that when data variation is slow, adopts less figure place storage data, when data variation is more, adopts more figure place storage data.
Basic unit of storage is configured at storage device;Before squeeze operation, it is necessary to data memory format is specified.Definition basic unit of storage is as minimum memory unit.Described basic unit of storage is a hyte comprising many bits (bit), described hyte comprises the flag bit of 1bit, in described hyte, other bits except described flag bit are data bit, and described flag bit is for showing whether described hyte is store the end hyte that difference data terminates.
The transmission of compression algorithm involved in signal processing module processing method of the present invention and storage are based on bit flows, therefore to storage format not requirement, generally hyte can be configured to 3~8bits as required, illustrates for every 4bits for 1 hyte here.
The storage of difference data carries out in units of hyte.Preferably, the highest bit of each hyte can be configured to flag bit, show that whether this hyte is for terminating hyte with the different values of flag bit, as: when the flag bit of hyte is 1, represent that this hyte is ED hyte, otherwise, represent that this hyte is non-end hyte.Each hyte all the other positions except flag bit are data bit.
Latter data adjacent in continuous data is deducted last data, obtains difference data;
For first data in continuous data, these first data and 0 can be subtracted each other, obtain first difference data.
With a1, a2, a3, a4 ..., an represents each data in the continuous data before compression;
With s (1,0), s (2,1), s (3,2), s (4,3) ..., s (n, n-1) represents a1-0, a2-a1, a3-a2, a4-a3 respectively ..., the difference data that an-an-1 obtains.
Store described difference data;Size according to described difference data, distributes one or more hyte and stores described difference data.With b (1,0), b (2,1), b (3,2), b (4,3) ... b (n, n-1) s (1,0), s (2 are represented, 1), s (3,2), s (4,3) ..., the hyte of s (n, n-1) represents result, b (m, m-1) can include one or more hyte, and the hyte quantity specifically included varies in size according to the value of s (m, m-1) and different.
It is show that this hyte is store the end hyte that described difference data terminates by the mark position storing last hyte of a difference data.When distributing multiple hytes and storing described difference data, by the mark position of other hytes except last hyte storing described difference data for showing that this hyte is non-end hyte.
By the b (1, the 0) start-up portion as compressed data stream, high-order front, low level is rear.Thereafter the difference data obtained also is stored with hyte.The difference data sequence consensus in described continuous data of the data with this difference data of generation that sorts in described compressed data stream.The result complement of two's two's complement form of difference is indicated.
By b (2,1 put) after b (1,0), high-order front, low level is rear.
The follow-up data of continuous data is compressed, obtains s (3,2), s (4,3) by calculating, ... the value of s (n, n-1), with b (3,2), b (4,3) ..., the form of b (n, n-1) stores.According to a high position front, posterior order arrangement b (1,0) of low level, b (2,1), b (3,2), b (4,3) ... point b (n, n-1), form compressed data stream.
So far, the compression process of continuous data is just finished.Difference data is proportional with the severe degree of data variation, and when data variation is violent, the difference data between two adjacent datas also can be bigger;And when data variation is slower, the difference data of adjacent data then can be only small.It can thus be seen that the size of gradual continuous data can be effectively compressed in difference data storage.
Below, the flow process decompressed is illustrated.
Compressed data stream is carried out decompression include:
Detecting the flag bit of hyte in described compressed data stream successively, until detecting that m-th terminates hyte, m is more than 1 and is not more than the integer of n;
Still along in order to b (1), b (2) ..., b (k) represents hyte, and one or several hytes constitute a difference data, and namely the set of the multiple hytes storing same difference data is equivalent to b (m, m-1), k is be more than or equal to n.
Described m-th is terminated hyte and described m-th terminates hyte and the m-1 whole non-end hyte terminated between hyte is reduced to m-th difference data;
During first data in depressurizing compression data stream, the flag bit of detection b (1), if the flag bit of b (1) is 1, then one hyte of first data boil down to is described;If the flag bit of b (1) is 0, then detect b (2), b (3), b (4) successively ... flag bit, until detect that first flag bit is the hyte of 1.
If the hyte that the 1st flag bit is 1 is hyte j, then j hyte of first data boil down to is described, with the difference data of the non-mark position of 1~j hyte first data of composition and 1.
When decompressing the second to nth data, concrete grammar is as follows:
1, upper data unzip to the hyte b (x) in data stream, then the hyte b from data stream (x+1) proceeds by the decompression of next data;
2, the flag bit of hyte is detected.Detection hyte b (x+1) successively, b (x+2) ... flag bit, until the hyte that flag bit is 1 detected.
If 3 hytes that next flag bit is 1 detected are hyte b (x+n), then form the difference data of these data with the non-mark position of hyte b (x+1)~b (x+n).
Plus described m-th difference data in the m-1 data, reduction obtains the than the m-th data in described continuous data;
The difference of first data itself is the result owing to first data subtracts 0, and therefore the difference data of first data is the value a1 solving first data extruded.
For second and later data, on completing after the decompression of data, it is thus achieved that decompress data result a (m-1);
The difference data of data itself is the result being deducted last data by the value of data, therefore the value a (m) of than the m-th data be the value a (m-1) of m-1 data with the difference solving the data extruded and.
Each hyte in described compressed data stream is performed step S204 to S206 successively, until described compression.
Operation principle:
Doctor is when performing the operation, first the SANYE self-inflated aortic valve 1 will replaced is installed on the sucker of grabbing device 2, open the on and off switch 8-5 controlled on device 8 and control switch 8-4, ultrasonic transducer 6 and microwave probe 7 are opened therewith, by observing display device 8-2, then pass through location bar 3 and SANYE self-inflated aortic valve 1 is navigated to appointment position, by the stayed pole 3 on grabbing device 2, SANYE self-inflated aortic valve is carried out position adjustments, be finally completed operation.Present configuration is simple, it is simple to operation, substantially increases the success rate of operation, and postoperative complication is also well controlled.
Percutaneous aortic valve replacement operation conveyer device with valve positioning function provided by the invention firmly captures, by grabbing device, the SANYE self-inflated aortic valve to replace by grabbing device, the position of SANYE self-inflated aortic valve is regulated by the stayed pole on conveyer device, by internal ultrasonic transducer and microwave probe, the installation situation of SANYE self-inflated aortic valve is observed intuitively by data line transfer to exterior display device, simple in construction, perform the operation more intuitively, improve the success rate of operation and the control to postoperative complication;
The present invention arranges ultrasonic transducer, improves the accuracy of monitoring;The intelligent signal processing controlling device makes control very well for the location of implantation instrument in operative process, and release comes off or position is accurate;
Latter data adjacent in continuous data is deducted last data by the present invention, obtain difference data, store described difference data, carry out one by one the data in described continuous data above-mentioned asking difference data the operation stored, till described continuous data terminates, obtain the compressed data stream of described continuous data, it is achieved that the compression to continuous data, solve data compression decompression problem during Coutinuous store High Speed Analog/digital conversion results;
The present invention integrates Based Intelligent Control, convenient, safety.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (10)
- null1. the percutaneous aortic valve replacement operation conveyer device with valve positioning function,It is characterized in that,This percutaneous aortic valve replacement operation conveyer device with valve positioning function includes aortic valve、Grabbing device、Location bar、Regulate line、Bearing pin、Ultrasonic transducer、Microwave probe、Control device、Supply unit and shell,Described aortic valve is arranged on the end of described grabbing device,The other end of described grabbing device is connected with described location bar,Described ultrasonic transducer is arranged on the right side of described shell,The end of described ultrasonic transducer is connected with device housings by described bearing pin,The tail end of described ultrasonic transducer is connected to adjustment line,The right-hand member of described ultrasonic transducer is provided with microwave probe,Described control device is arranged on the outer end of described shell,Described control device is connected with described ultrasonic transducer and microwave probe respectively by data wire,Described supply unit connects described control device.
- 2. the percutaneous aortic valve replacement operation conveyer device with valve positioning function as claimed in claim 1, it is characterized in that, described grabbing device is circular, the lower end of described grabbing device is provided with the sucker for adsorbing aortic valve, described grabbing device is provided with four stayed poles, in 90 degree between junction point and the line of centres of circular grabbing device of described stayed pole and grabbing device;The cantilever end of described location bar is with circular arc or circular ring structure;Described microwave probe includes Microwave cover, elastic sealing cover, heat conduction coolant and microwave probe element, described Microwave cover is airtight with described elastic sealing cover is connected formation confined space, described microwave probe element is arranged in described Microwave cover and is fixed on described elastic packing lid, fill heat conduction coolant in described confined space;Described microwave probe element includes microwave probe chip assembly, transparent outer cover, fluorescent material and heat conductive transparent material, the inwall of described transparent outer cover or outer wall are coated with phosphor powder layer, described microwave probe chip assembly is placed in described transparent outer cover, heat conductive transparent material described in embedding between described transparent outer cover and described microwave probe chip assembly.
- 3. the percutaneous aortic valve replacement operation conveyer device with valve positioning function as claimed in claim 1, it is characterized in that, described control device includes control chip, display device, storage device, control switch and on and off switch, described control chip connects described display device, storage device and control switch, and described on and off switch connects described supply unit;Described display device is tangible LCDs, includes display floater, elementary layer, adhesive linkage inside it, and described elementary layer is arranged on the outside of described display floater, and described adhesive linkage is arranged between described display floater and described elementary layer.
- 4. the percutaneous aortic valve replacement operation conveyer device with valve positioning function as claimed in claim 1, it is characterised in that described supply unit includes power supply connecting device, electrical storage device and protective relaying device;Described power supply connecting device includes at least one power supply input circuit connecting external power source and the load output circuit of at least one connection load;Described electrical storage device includes the accumulator charging/discharging circuit connecting accumulator.
- 5. the percutaneous aortic valve replacement operation conveyer device with valve positioning function as claimed in claim 3, it is characterized in that, described control chip includes signal receiving module and signal processing module, and described signal receiving module and signal processing module are connected by pin.
- 6. the percutaneous aortic valve replacement operation conveyer device with valve positioning function as claimed in claim 5, it is characterised in that the signal acceptance method of described signal receiving module is:Characteristic spectrum according to receiving signal determines decision plane;Judge whether the communication channel receiving signal presents mutatis mutandis static conversion characteristic;When described communication channel presents mutatis mutandis static conversion characteristic, support vector machine method is utilized to select decision boundary in described decision plane;When communication channel does not present mutatis mutandis static conversion characteristic, fuzzy clustering method is utilized to select decision boundary in described decision plane;Detect to the received signal according to described decision boundary.
- 7. the percutaneous aortic valve replacement operation conveyer device with valve positioning function as claimed in claim 6, it is characterised in that the described characteristic spectrum according to reception signal determines that decision plane method is:Discrete signal vector to received signal carries out linear transformation and obtains unitary transformation matrix;The energy feature spectrum receiving signal is calculated according to the elements in a main diagonal in described unitary transformation matrix and counter-diagonal element;Decision plane is obtained from described energy feature composing;From described energy feature spectrum, least one set characteristic vector is extracted according to encircled energy, waveform symmetry and local wave function variance that described energy feature is composed;From the characteristic vector extracted, the characteristic vector as decision plane is obtained according to the mode of pattern classification;The discrete signal vector of described reception signal is obtained by the sampling of Nyquist law, and sampling length contains the predetermined ratio energy receiving signal;Obtain before decision plane in composing from described energy feature, also carry out described energy feature spectrum is carried out moving average process;Calculating, according to the elements in a main diagonal in described unitary transformation matrix and counter-diagonal element, the energy feature spectral method receiving signal is:The matrix that counter-diagonal is elementary composition carries out square and is multiplied by the matrix of the elements in a main diagonal composition, obtains receiving the energy feature spectrum of signal.
- 8. the percutaneous aortic valve replacement operation conveyer device with valve positioning function as claimed in claim 7, it is characterised in that described extraction eigenvector method specifically includes following steps:Obtain signal: by sensor acquisition data and signal is amplified process;Signal carries out segment processing: namely extract average, variance, the accumulated value of signal and 4 basic time domain parameters of peak value from every segment signal, determining whether that the ground floor decision-making that the situation of doubtful leakage occurs judges by the difference of the 4 of adjacent segment signal parameter values: if having, down performing wavelet packet denoising, no person, jumps to execution and obtains signal;Wavelet packet denoising: namely utilize improvement Wavelet Packet Algorithm that the signal gathered is carried out denoising;WAVELET PACKET DECOMPOSITION and reconstruct: namely utilize improvement Wavelet Packet Algorithm that the signal gathered is carried out WAVELET PACKET DECOMPOSITION and reconstruct, obtain list band reconstruction signal;Extract signal characteristic parameter: namely from the list band signal of reconstruct, extract time domain energy, time domain peak, frequency domain energy, frequency domain peak value, coefficient of kurtosis, variance, frequency spectrum and coefficient of skewness 8 and represent the parameter of signal characteristic;Composition characteristic vector: namely utilize principal component analytical method, 3 to 8 parameter composition characteristic vectors that can substantially represent sound emission signal characteristic are selected from above-mentioned parameter, and these characteristic vectors are input to support vector machine carry out decision-making judgement, namely second layer decision-making judges, determines whether that leakage occurs according to the output of support vector machine.
- 9. the percutaneous aortic valve replacement operation conveyer device with valve positioning function as claimed in claim 8, it is characterised in that described wavelet packet denoising and WAVELET PACKET DECOMPOSITION and reconstructing method be:Signals extension, carries out parabola continuation to each layer signal of WAVELET PACKET DECOMPOSITION;If signal data is x (a), x (a+1), x (a+2), then the expression formula of continuation operator E is:Eliminate list band un-necessary frequency composition;By the signal after continuation and decomposition low pass filter h0Convolution, obtains low frequency coefficient, is then passed through HF-cut-IF operator and processes, removes unnecessary frequency content, then carry out down-sampling, obtain the low frequency coefficient of next layer;By the signal after continuation and decomposition high pass filter g0Convolution, obtains high frequency coefficient, is then passed through LF-cut-IF operator and processes, remove unnecessary frequency content, then carry out down-sampling, obtain next layer of high frequency coefficient, shown in HF-cut-IF operator such as formula (2), shown in LF-cut-IF operator such as formula (3);In (2), (3) formula, x (n) is 2jThe coefficient of wavelet packet, N on yardstickjRepresent 2jThe length of data on yardstick,K=0,1 ..., Nj-1;N=0,1 ..., Nj-1;List band signal reconstructs:The high and low frequency coefficient obtained is carried out up-sampling, then respectively with high pass reconstruction filter g1With low-pass reconstruction filter h1Convolution, processes the signal obtained with HF-cut-IF, LF-cut-IF operator respectively, obtains list band reconstruction signal.
- 10. the percutaneous aortic valve replacement operation conveyer device with valve positioning function as claimed in claim 5, it is characterised in that signal processing module processing method is:A. latter data adjacent in continuous data is deducted last data, obtain difference data;B. described difference data is stored;C. carry out one by one the data in described continuous data such as the operation of step a and b, till described continuous data terminates, obtaining the compressed data stream of described continuous data;D. detecting the flag bit of hyte in described compressed data stream successively, until detecting that m-th terminates hyte, m is more than 1 and is not more than the integer of n;E. described m-th is terminated hyte and described m-th terminates hyte and the m-1 whole non-end hyte terminated between hyte is reduced to m-th difference data;F. plus described m-th difference data in the m-1 data, reduction obtains the than the m-th data in described continuous data;G. each hyte in described compressed data stream is performed step d to f successively, until described compressed data stream terminates, the continuous data after being decompressed;Described latter data adjacent in continuous data is deducted last data, before obtaining the step of difference data, also include: configuration basic unit of storage, described basic unit of storage is a hyte comprising many bits (bit), described hyte comprises the flag bit of 1bit, in described hyte, other bits except described flag bit are data bit, and described flag bit is for showing whether described hyte is store the end hyte that difference data terminates;Described flag bit is the highest order of described hyte;Latter data adjacent in continuous data is deducted last data, before obtaining the step of difference data, also includes: first data and 0 in described continuous data are subtracted each other, obtains first difference data;The step of the described difference data of described storage includes: the size according to described difference data, distributes one or more hyte and stores described difference data;It is show that this hyte is store the end hyte that described difference data terminates by the mark position storing last hyte of a difference data;When distributing multiple hytes and storing described difference data, the step of the described difference data of described storage also includes: by the mark position of other hytes except last hyte storing described difference data for showing that this hyte is non-end hyte;The compressed data stream of described continuous data includes n difference data, and n is the number of data in described continuous data, the described difference data sequence consensus in described continuous data of the data with this difference data of generation that sorts in described compressed data stream;Described m-th is terminated hyte and described m-th terminates hyte and the m-1 whole non-end hyte terminated between hyte is reduced to m-th difference data particularly as follows: described m-th terminates hyte and described m-th terminates the data bit of the whole non-end hyte between hyte and the m-1 end hyte and is reduced to m-th difference data.
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