CN105769387B - A kind of percutaneous aortic valve replacement operation conveying device with valve positioning function - Google Patents

A kind of percutaneous aortic valve replacement operation conveying device with valve positioning function Download PDF

Info

Publication number
CN105769387B
CN105769387B CN201610273793.3A CN201610273793A CN105769387B CN 105769387 B CN105769387 B CN 105769387B CN 201610273793 A CN201610273793 A CN 201610273793A CN 105769387 B CN105769387 B CN 105769387B
Authority
CN
China
Prior art keywords
mrow
data
hyte
signal
msub
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201610273793.3A
Other languages
Chinese (zh)
Other versions
CN105769387A (en
Inventor
张培东
郭阳
刘映峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhujiang Hospital attached to Nanfang Medical Univ.
Original Assignee
Southern Medical University Zhujiang Hospital
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Southern Medical University Zhujiang Hospital filed Critical Southern Medical University Zhujiang Hospital
Priority to CN201610273793.3A priority Critical patent/CN105769387B/en
Publication of CN105769387A publication Critical patent/CN105769387A/en
Application granted granted Critical
Publication of CN105769387B publication Critical patent/CN105769387B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/23—Clustering techniques
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
    • G06F2218/08—Feature extraction

Abstract

The invention discloses a kind of percutaneous aortic valve replacement operation conveying device with valve positioning function, the device includes aorta petal, grabbing device, locating rod, adjust line, bearing pin, ultrasonic transducer, microwave probe, control device, supply unit and shell, aorta petal is arranged on the end of the grabbing device, the other end of grabbing device is connected with the locating rod, ultrasonic transducer is arranged on the right side of the shell, the end of ultrasonic transducer is connected by the bearing pin with device housings, the tail end of ultrasonic transducer is connected with regulation line, the control device is arranged on the outer end of the shell, the supply unit connects the control device.The present invention is simple in construction, and good booster action, the intelligent control of control device can be played for the positioning for being implanted into valve, the success rate of percutaneous aortic valve replacement art can be improved, reduces operating difficulty, reduces postoperative complications, operation pain and risk are reduced for patient, reduces medical expense.

Description

A kind of percutaneous aortic valve replacement operation conveying device with valve positioning function
Technical field
The invention belongs to medical instruments field, more particularly to a kind of percutaneous aortic valve replacement hand with valve positioning function Art conveying device.
Background technology
At present, shown according to related statistics, in more than 65 years old age the elderly, the master caused by calcific aortic valve The narrow incidence of arterial valve is up to 2%~7%, and ratio more and more higher with age.Severe aortic stenosis patient is left Heart function is badly damaged, and quality of life of patients declines and life span substantially shortens, it is necessary to is effectively treated.It is so far Only, for those have the patient of operative indication, surgery aortic valve prosthesis's displacement technique is still preferred treatment.
2002, AlainCribier was first 1 serious master of 57 years old on the basis of a large amount of animal experiments have been carried out The narrow patient of arterial valve has been carried out through conduit aortic valve prosthesis's displacement technique.Since then, created through conduit aortic valve replacement with it To hinder small, the advantages that postoperative complications are few, brings Gospel clinically to have lost the patient of surgical operation chance, and in many states Family is developed and improved.Widely used at present is three leaf self-inflated aorta petal implantations, and in biomaterial Updated with terms of delivery instrument, make it possible percutaneous aortic valve replacement.
When carrying out High Speed Analog/digital conversion operation, substantial amounts of data can be produced, when will be to data that these are collected , it is necessary to take substantial amounts of memory space and transmission bandwidth when being stored or being transmitted.
When acquisition rate is higher, it is possible to allow to carry out the with high costs of data storage and data transfer.This just has must Data compression is carried out to the data of collection, the data after compression are stored and transmitted, when needed again by compressed data Decompression operation is carried out, so as to reduce the cost for carrying out data storage and data transfer so that Coutinuous store High Speed Analog/number Word transformation result is possibly realized.
A subject matter for limiting the development of this technology at present is due to the positioning in operating process for implantation instrument It can not very well control, cause that release comes off or position is inaccurate, have a strong impact on the control of the success rate and postoperative complications of operation System.
The content of the invention
It is an object of the invention to provide a kind of percutaneous aortic valve replacement operation conveying dress with valve positioning function Put, it is intended to solve to control very well due to the positioning in operating process for implantation instrument, cause release come off or position not Accurately, had a strong impact on operation success rate and postoperative complications control the problem of.
The present invention is achieved in that a kind of percutaneous aortic valve replacement operation conveying dress with valve positioning function Put, the percutaneous aortic valve replacement operation with valve positioning function includes aorta petal, grabbing device, positioning with conveying device Bar, regulation line, bearing pin, ultrasonic transducer, microwave probe, control device, supply unit and shell, the aorta petal are arranged on The end of the grabbing device, the other end of the grabbing device are connected with the locating rod, and the ultrasonic transducer is arranged on The right side of the shell, the end of the ultrasonic transducer are connected by the bearing pin with device housings, the ultrasonic transducer Tail end be connected with regulation line, the right-hand member of the ultrasonic transducer is provided with microwave probe, and the control device is arranged on described The outer end of shell, the control device are connected by data wire respectively at the ultrasonic transducer with microwave probe, the power supply Device connects the control device.
The present apparatus firmly captures the three leaf self-inflated aorta petals to be replaced by grabbing device, and it is fixed to be adjusted by locating rod The position of three leaf self-inflated aorta petals of position, data line transfer is connected to outside with microwave probe by the ultrasonic transducer of inside Control device intuitively observes the installation situation of three leaf self-inflated aorta petals.
Further, described grabbing device is circle, and the lower end of the grabbing device is provided with for adsorbing aorta petal Sucker, four stayed poles are provided with the grabbing device, the tie point of the stayed pole and grabbing device captures with circular It is in 90 degree between the line of centres of device.
Further, the cantilever end of described locating rod carries circular arc or circular ring structure, and the locating rod can be at least 90 degree In the range of deploy, body of rod length should be greater than being implanted into 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, The Microwave cover forms confined space with the elastic sealing cover airtight connection, and the microwave probe element is arranged on the microwave In cover and it is fixed on the elastic packing and covers, filling heat conduction coolant in the confined space.
Further, it is saturating to include microwave probe chip assembly, transparent outer cover, fluorescent material and heat conduction for described microwave probe element Bright material, phosphor powder layer is coated with the inwall or outer wall of the transparent outer cover, the microwave probe chip assembly is placed in institute State in transparent outer cover, heat conductive transparent material described in embedding between the transparent outer cover and the microwave probe chip assembly.
Further, described control device is opened including control chip, display device, storage device, controlling switch and power supply Close, the connection of described control chip described display device, storage device and controlling switch, described in the connection of described power switch Supply unit.
Further, described display device is tangible LCDs, and its inside includes display panel, elementary layer, glued Layer is connect, the elementary layer is arranged on the outside of the display panel, and the adhesive linkage is arranged on the display panel and the list Between first layer, wherein, the first edge of the bonding plane for being adhered to the display panel of the adhesive linkage and the adhesive linkage The second edge for being adhered to the bonding plane of the elementary layer 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 the power supply input circuit and at least of at least one connection external power source The load output circuit of one connection load.
Further, described electrical storage device includes the accumulator charging/discharging circuit of connection battery.
Further, the control chip includes signal receiving module and signal processing module, the signal receiving module and Signal processing module is connected by pin.
Further, the signal acceptance method of the signal receiving module is：
Decision plane is determined according to the characteristic spectrum of reception signal；
Judge whether the communication channel of reception signal is presented mutatis mutandis static conversion characteristic；
When mutatis mutandis static conversion characteristic is presented in the communication channel, using support vector machine method in the decision plane In select decision boundary；
When mutatis mutandis static conversion characteristic is not presented in communication channel, using fuzzy clustering method in the decision plane Select decision boundary；
The signal received is detected according to the decision boundary.
Further, the characteristic spectrum according to reception signal determines that decision plane method is：
Discrete signal vector progress linear transformation to reception signal obtains unitary transformation matrix；
The elements in a main diagonal and counter-diagonal element in the unitary transformation matrix calculate the energy of reception signal Characteristic spectrum；
Decision plane is obtained from energy feature spectrum；
Encircled energy, waveform symmetry and the local wave function variance composed according to the energy feature are from the energy At least one set of characteristic vector is extracted in characteristic spectrum；
Characteristic vector as decision plane is obtained from the characteristic vector of extraction in the way of pattern classification；
The discrete signal vector of the reception signal samples to obtain by Nyquist law, and sampling length is covered and connect The predetermined ratio energy of the collection of letters number；
Before decision plane is obtained from energy feature spectrum, also carry out composing into line slip the energy feature putting down Handle；
The elements in a main diagonal and counter-diagonal element in the unitary transformation matrix calculate the energy of reception signal Feature spectral method is：
To counter-diagonal element composition matrix carry out square and be multiplied by the elements in a main diagonal composition matrix, received The energy feature spectrum of signal.
Further, the extraction eigenvector method specifically includes following steps：
Obtain signal：Processing is amplified by sensor gathered data and to signal；
Signal carries out segment processing：Average, variance, the accumulated value of signal and peak value 4 are extracted in every segment signal Basic time domain parameter, determine whether that the situation of doubtful leakage occurs by the difference of 4 parameter values of adjacent segment signal the One layer of decision-making judges：Wavelet packet denoising is down performed if having, no person, execution is jumped to and obtains signal；
Wavelet packet denoising：Denoising is carried out to the signal of collection using improving Wavelet Packet Algorithm；
WAVELET PACKET DECOMPOSITION and reconstruct：I.e. using improve Wavelet Packet Algorithm the signal of collection carried out WAVELET PACKET DECOMPOSITION with again Structure, obtain list band reconstruction signal；
Extract signal characteristic parameter：Time domain energy, time domain peak, frequency domain energy are extracted i.e. in the list band signal of reconstruct The parameter of amount, frequency domain peak value, coefficient of kurtosis, variance, frequency spectrum and 8 expression signal characteristics of coefficient skewness；
Composition characteristic vector：Principal component analytical method is utilized, Binding experiment analysis, 3 to 8 are selected from above-mentioned parameter The parameter composition characteristic vector of sound emission signal characteristic can be substantially represented, and these characteristic vectors are input to SVMs and entered Row decision-making judges that is, second layer decision-making judges, leakage is determined whether according to the output of SVMs.
Further, the wavelet packet denoising and WAVELET PACKET DECOMPOSITION are with reconstructing method：
Signals extension, horizontal parabola continuation is entered to each layer signal of WAVELET PACKET DECOMPOSITION；
If signal data is x (a), x (a+1), x (a+2), then continuation operator E expression formula be：
Eliminate list band un-necessary frequency composition；
By the signal after continuation with decomposing low pass filter h0Convolution, low frequency coefficient is obtained, is then calculated by HF-cut-IF Subprocessing, remove unnecessary frequency content, then carry out down-sampling, obtain next layer of low frequency coefficient；By the signal after continuation with Decompose high-pass filter g0Convolution, obtain high frequency coefficient, then by LF-cut-IF operators handle, remove unnecessary frequency into Point, then down-sampling is carried out, and next layer of high frequency coefficient is obtained, shown in HF-cut-IF operators such as formula (2), LF-cut-IF operators such as formula (3) shown in；
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：
Obtained high and low frequency coefficient is up-sampled, then respectively with high pass reconstruction filter g1Filtered with low-pass reconstruction Ripple device h1Convolution, obtained signal is handled with HF-cut-IF, LF-cut-IF operator respectively, obtain list band reconstruction signal.
Further, signal processing module processing method is：
A. latter data adjacent in continuous data is subtracted into last data, obtains difference data；
B. the difference data is stored；
C. the data in the continuous data are carried out one by one such as step a and b operation, until the continuous data terminates Untill, obtain the compressed data stream of the continuous data；
D. the flag bit of hyte in the compressed data stream is detected successively, and until detecting m-th of end hyte, m is big In 1 and no more than n integer；
E. terminate hyte by described m-th and terminate for described m-th complete between hyte and the m-1 end hyte The non-hyte that terminates in portion is reduced to m-th of difference data；
F. m-th of difference data is added in the m-1 data, reduction obtains the m-th in the continuous data According to；
G. step d to f is performed successively to each hyte in the compressed data stream, until the compressed data stream terminate for Only, the continuous data after being decompressed；
It is described that latter data adjacent in continuous data is subtracted into last data, before the step of obtaining difference data, also wrap Include：Basic unit of storage is configured in storage device, and the basic unit of storage is a hyte for including more bits (bit), institute Rheme group includes 1bit flag bit, and other bits in the hyte in addition to the flag bit are data bit, the mark Position is used to show whether the hyte is to store the end hyte that difference data terminates；
The flag bit is the highest order of the hyte；
Latter data adjacent in continuous data is subtracted into last data, before the step of obtaining difference data, in addition to：Will First data in the continuous data are subtracted each other with 0, obtain first difference data；
The step of storage difference data, includes：According to the size of the difference data, one or more hytes are distributed Store the difference data；It is to show that the hyte is described in storage by the mark position for last hyte for storing a difference data The end hyte that difference data terminates；
When distributing multiple hytes storage difference datas, described the step of storing the difference data, also includes：It will remove and deposit The mark position for storing up other hytes outside last hyte of the difference data is to show that the hyte is non-end hyte；
The compressed data stream of the continuous data includes n difference data, and n is the number of data in the continuous data, institute Sequence of the difference data in the compressed data stream is stated with generating order one of the data of the difference data in the continuous data Cause；
Terminate hyte by described m-th and described m-th is terminated hyte and the m-1 whole terminated between hyte Non- end hyte is reduced to m-th of difference data and is specially：By described m-th terminate hyte and it is described m-th terminate hyte with The non-data bit for terminating hyte of the m-1 whole terminated between hyte is reduced to m-th of difference data.
Percutaneous aortic valve replacement operation conveying device provided by the invention with valve positioning function is filled by capturing Put and the three leaf self-inflated aorta petals to be replaced firmly are captured by grabbing device, pass through the stayed pole regulation three in conveying device The position of leaf self-inflated aorta petal, it is aobvious to outside by data line transfer by the ultrasonic transducer and microwave probe of inside Showing device intuitively observes the installation situation of three leaf self-inflated aorta petals, simple in construction, is more intuitively performed the operation, and improves The success rate of operation and the control to postoperative complication；
The present invention sets ultrasonic transducer, improves the accuracy of monitoring；The intelligent signal processing of control device makes operation The operating process of positioning in to(for) implantation instrument can control very well, and release comes off or position is accurate；
Latter data adjacent in continuous data is subtracted last data by the present invention, is obtained difference data, is stored the difference According to the data in the continuous data being carried out with the above-mentioned operation sought difference data and stored one by one, until the continuous data knot Untill beam, the compressed data stream of the continuous data is obtained, realizes the compression to continuous data, solves Coutinuous store at a high speed Data compression decompression problem during analog/digital conversion result；
The present invention integrates intelligent control, convenient, safety.
Brief description of the drawings
Fig. 1 is the percutaneous aortic valve replacement operation conveying device provided in an embodiment of the present invention with valve positioning function Structural representation；
Fig. 2 is the structural representation of microwave probe provided in an embodiment of the present invention；
Fig. 3 is the structural representation of control device provided in an embodiment of the present invention；
Fig. 4 is the structural representation of display device provided in an embodiment of the present invention；
Fig. 5 is the structural representation of supply unit provided in an embodiment of the present invention.
In figure：1st, aorta petal；2nd, grabbing device；3rd, locating rod；4th, line is adjusted；5th, bearing pin；6th, ultrasonic transducer；7th, it is micro- Ripple is popped one's head in；7-1, Microwave cover；7-2, elastic sealing cover；7-3, heat conduction coolant；7-4, microwave probe element；8th, control device； 8-1, control chip；8-2, display device；8-2-1, display panel；8-2-2, elementary layer；8-2-3, adhesive linkage；8-3, storage dress Put；8-4, controlling switch；8-5, power switch；9th, supply unit；9-1, power supply connecting device；9-2, electrical storage device；9-3, after Electrical protective device；10th, 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.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to Limit the present invention.
The application principle of the present invention is further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 5：The percutaneous aortic valve replacement operation with valve positioning function includes master with conveying device Arterial valve 1, grabbing device 2, locating rod 3, regulation line 4, bearing pin 5, ultrasonic transducer 6, microwave probe 7, control device 8, power supply Device 9 and shell 10, the aorta petal 1 are arranged on the end of the grabbing device 2, the other end of the grabbing device 2 with The locating rod 3 connects, and the ultrasonic transducer 6 is arranged on the right side of the shell 10, and the end of the shooting 6 passes through institute State bearing pin 5 to be connected with device housings 10, the tail end of the ultrasonic transducer 6 is connected with regulation line 4, the ultrasonic transducer 6 Right-hand member is provided with microwave probe 7, and the control device 8 is arranged on the outer end of the shell 10, and the control device 8 passes through data Line connects with the ultrasonic transducer 6 with microwave probe 7 respectively, and the supply unit 9 connects the control device 8.The present apparatus The three leaf self-inflated aorta petals 1 to be replaced firmly are captured by grabbing device 2, three leaves of positioning are adjusted from swollen by locating rod 3 The position of formula aorta petal 1, data line transfer is connected with microwave probe 7 by the ultrasonic transducer 6 of inside and fills 8 to outside control Put the installation situation for intuitively observing three leaf self-inflated aorta petals 1.
Further, described crawl fills 2 and is set to circle, and the lower end of the grabbing device 2 is provided with for adsorbing sustainer The sucker of valve, four stayed poles is provided with the grabbing device 2, the tie point of the stayed pole and grabbing device is grabbed with circle Take between the line of centres of device is in 90 degree.
Further, the cantilever end of described locating rod 3 carries circular arc or circular ring structure, and the locating rod 3 can be at least 90 Deploy in the range of degree, body of rod length should be greater than being implanted into 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, the Microwave cover 7-1 form confined space, the microwave probe with the elastic sealing cover 7-2 airtight connections Element 7-4 is arranged in the Microwave cover 7-1 and is fixed on the elastic sealing cover 7-2, filling in the confined space Heat conduction coolant 7-3.
Further, described microwave probe element 7-4 includes microwave probe chip assembly, transparent outer cover, fluorescent material and led Hot transparent material, phosphor powder layer, the microwave probe chip assembly placement are coated with the inwall or outer wall of the transparent outer cover In the transparent outer cover, heat conductive transparent material described in embedding between the transparent outer cover and the microwave probe chip assembly.
Further, described control device 8 is opened including control chip 8-1, display device 8-2, storage device 8-3, control Close 8-4 and power switch 8-5, the connection of described control chip described display device 8-2, storage device 8-3 and controlling switch 8-4, the described power switch 8-5 connections supply unit 9.
Further, described display device 8-2 is tangible LCDs, and it is internal including display panel 8-2-1, list First layer 8-2-2, adhesive linkage 8-2-3, the elementary layer 8-2-2 are arranged on the outside of the display panel 8-2-1, the adhesive linkage 8-2-3 is arranged between the display panel 8-2-1 and the elementary layer 8-2-2, wherein, the bonding of the adhesive linkage 8-2-3 The elementary layer 8-2-2 is adhered in the first edge of the bonding plane of the display panel 8-2-1 and the adhesive linkage 8-2-3 The second edge of bonding plane be 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 include it is at least one connection external power source power supply input circuit and The load output circuit of at least one connection load.
Further, described electrical storage device 9-2 includes the accumulator charging/discharging circuit of connection battery.
Further, the control chip includes signal receiving module and signal processing module, the signal receiving module and Signal processing module is connected by pin.
As shown in Figure 6：The signal acceptance method of the signal receiving module is：
S101：Decision plane is determined according to the characteristic spectrum of reception signal；
S102：Judge whether the communication channel of reception signal is presented mutatis mutandis static conversion characteristic；
S103：When mutatis mutandis static conversion characteristic is presented in the communication channel, determined using support vector machine method described Decision boundary is selected in plan plane；
S104：When mutatis mutandis static conversion characteristic is not presented in communication channel, using fuzzy clustering method in the decision-making Decision boundary is selected in plane；
S105：The signal received is detected according to the decision boundary.
Further, the characteristic spectrum according to reception signal determines that decision plane method is：
Discrete signal vector progress linear transformation to reception signal obtains unitary transformation matrix；
The elements in a main diagonal and counter-diagonal element in the unitary transformation matrix calculate the energy of reception signal Characteristic spectrum；
Decision plane is obtained from energy feature spectrum；
Encircled energy, waveform symmetry and the local wave function variance composed according to the energy feature are from the energy At least one set of characteristic vector is extracted in characteristic spectrum；
Characteristic vector as decision plane is obtained from the characteristic vector of extraction in the way of pattern classification；
The discrete signal vector of the reception signal samples to obtain by Nyquist law, and sampling length is covered and connect The predetermined ratio energy of the collection of letters number；
Before decision plane is obtained from energy feature spectrum, also carry out composing into line slip the energy feature putting down Handle；
The elements in a main diagonal and counter-diagonal element in the unitary transformation matrix calculate the energy of reception signal Feature spectral method is：
To counter-diagonal element composition matrix carry out square and be multiplied by the elements in a main diagonal composition matrix, received The energy feature spectrum of signal.
Further, the extraction eigenvector method specifically includes following steps：
Obtain signal：Processing is amplified by sensor gathered data and to signal；
Signal carries out segment processing：Average, variance, the accumulated value of signal and peak value 4 are extracted in every segment signal Basic time domain parameter, determine whether that the situation of doubtful leakage occurs by the difference of 4 parameter values of adjacent segment signal the One layer of decision-making judges：Wavelet packet denoising is down performed if having, no person, execution is jumped to and obtains signal；
Wavelet packet denoising：Denoising is carried out to the signal of collection using improving Wavelet Packet Algorithm；
WAVELET PACKET DECOMPOSITION and reconstruct：I.e. using improve Wavelet Packet Algorithm the signal of collection carried out WAVELET PACKET DECOMPOSITION with again Structure, obtain list band reconstruction signal；
Extract signal characteristic parameter：Time domain energy, time domain peak, frequency domain energy are extracted i.e. in the list band signal of reconstruct The parameter of amount, frequency domain peak value, coefficient of kurtosis, variance, frequency spectrum and 8 expression signal characteristics of coefficient skewness；
Composition characteristic vector：Principal component analytical method is utilized, Binding experiment analysis, 3 to 8 are selected from above-mentioned parameter The parameter composition characteristic vector of sound emission signal characteristic can be substantially represented, and these characteristic vectors are input to SVMs and entered Row decision-making judges that is, second layer decision-making judges, leakage is determined whether according to the output of SVMs.
Further, the wavelet packet denoising and WAVELET PACKET DECOMPOSITION are with reconstructing method：
Signals extension, horizontal parabola continuation is entered to each layer signal of WAVELET PACKET DECOMPOSITION；
If signal data is x (a), x (a+1), x (a+2), then continuation operator E expression formula be：
Eliminate list band un-necessary frequency composition；
By the signal after continuation with decomposing low pass filter h0Convolution, low frequency coefficient is obtained, is then calculated by HF-cut-IF Subprocessing, remove unnecessary frequency content, then carry out down-sampling, obtain next layer of low frequency coefficient；By the signal after continuation with Decompose high-pass filter g0Convolution, obtain high frequency coefficient, then by LF-cut-IF operators handle, remove unnecessary frequency into Point, then down-sampling is carried out, and next layer of high frequency coefficient is obtained, shown in HF-cut-IF operators such as formula (2), LF-cut-IF operators such as formula (3) shown in；
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：
Obtained high and low frequency coefficient is up-sampled, then respectively with high pass reconstruction filter g1Filtered with low-pass reconstruction Ripple device h1Convolution, obtained signal is handled with HF-cut-IF, LF-cut-IF operator respectively, obtain list band reconstruction signal.
As shown in Figure 7：Signal processing module processing method is：
S201:Latter data adjacent in continuous data is subtracted into last data, obtains difference data；
S202:Store the difference data；
S203:Data in the continuous data are carried out one by one such as step S201 and S202 operation, until the company Untill continuous end of data, the compressed data stream of the continuous data is obtained；
S204:The flag bit of hyte in the compressed data stream is detected successively, and until detecting m-th of end hyte, m is Integer more than 1 and no more than n；
S205:Terminate hyte by described m-th and terminate for described m-th between hyte and the m-1 end hyte Whole it is non-terminate hyte be reduced to m-th of difference data；
S206:M-th of difference data is added in the m-1 data, reduction obtains the m in the continuous data Individual data；
S207:Step S204 to S206 is performed successively to each hyte in the compressed data stream, until the compression number Untill terminating according to stream, the continuous data after being decompressed；
It is described that latter data adjacent in continuous data is subtracted into last data, before the step of obtaining difference data, also wrap Include：Basic unit of storage is configured in storage device, and the basic unit of storage is a hyte for including more bits (bit), institute Rheme group includes 1bit flag bit, and other bits in the hyte in addition to the flag bit are data bit, the mark Position is used to show whether the hyte is to store the end hyte that difference data terminates；
The flag bit is the highest order of the hyte；
Latter data adjacent in continuous data is subtracted into last data, before the step of obtaining difference data, in addition to：Will First data in the continuous data are subtracted each other with 0, obtain first difference data；
The step of storage difference data, includes：According to the size of the difference data, one or more hytes are distributed Store the difference data；It is to show that the hyte is described in storage by the mark position for last hyte for storing a difference data The end hyte that difference data terminates；
When distributing multiple hytes storage difference datas, described the step of storing the difference data, also includes：It will remove and deposit The mark position for storing up other hytes outside last hyte of the difference data is to show that the hyte is non-end hyte；
The compressed data stream of the continuous data includes n difference data, and n is the number of data in the continuous data, institute Sequence of the difference data in the compressed data stream is stated with generating order one of the data of the difference data in the continuous data Cause；
Terminate hyte by described m-th and described m-th is terminated hyte and the m-1 whole terminated between hyte Non- end hyte is reduced to m-th of difference data and is specially：By described m-th terminate hyte and it is described m-th terminate hyte with The non-data bit for terminating hyte of the m-1 whole terminated between hyte is reduced to m-th of difference data.
The signal processing module processing method of the present invention, Real Time Compression can be carried out to continuous data, realized in data When changing slow, using less digit data storage, when data variation is more, using more digit data storage.
Basic unit of storage is configured in storage device；, it is necessary to be provided to data memory format before squeeze operation.Definition Basic unit of storage is as minimum memory unit.The basic unit of storage is a hyte for including more bits (bit), described Hyte includes 1bit flag bit, and other bits in the hyte in addition to the flag bit are data bit, the flag bit For showing whether the hyte is to store the end hyte that terminates of difference data.
The transmission and storage of compression algorithm involved by signal processing module processing method of the present invention are using bit streams as base Plinth, therefore storage format is not required, generally hyte can be configured to 3~8bits as required, here with every 4bits be 1 hyte exemplified by illustrate.
The storage of difference data is carried out in units of hyte.Preferably, the highest bit of each hyte can be configured to mark Will position, with the different values of flag bit come show the hyte whether be terminate hyte, such as：When the flag bit of hyte is 1, represent The hyte is end of data hyte, and otherwise, it is non-end hyte to represent the hyte.Each remaining position of hyte in addition to flag bit is Data bit.
Latter data adjacent in continuous data is subtracted into last data, obtains difference data；
For first data in continuous data, first data can be subtracted each other with 0, 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 respectively, A3-a2, a4-a3 ..., the difference data that an-an-1 is obtained.
Store the difference data；According to the size of the difference data, distribute one or more hytes and store the difference data. With b (1,0), b (2,1), b (3,2), b (4,3) ... b (n, n-1) represents s (1,0), s (2,1), s (3,2), s (4, 3) ..., s (n, n-1) hyte represents result, and b (m, m-1) may include one or more hytes, the position specifically included Group quantity is of different sizes and different according to s (m, m-1) value.
It is to show that the hyte is the storage difference data by the mark position for last hyte for storing a difference data The end hyte of end.When distributing multiple hytes storage difference datas, by except last position for storing the difference data The mark position of other hytes outside group is to show that the hyte is non-end hyte.
By start-up portions of the b (1,0) as compressed data stream, high-order preceding, low level is rear.To the difference data obtained thereafter Also stored with hyte.Sequence of the difference data in the compressed data stream is with generating the data of the difference data in the continuous data In sequence consensus.The result of difference is indicated with complement of two's two's complement form.
By b (2,1 put) behind b (1,0), high-order preceding, low level is rear.
The follow-up data of continuous data is compressed, s (3,2), s (4,3) ... ... s (n, n-1) are obtained by calculating Value, with b (3,2), b (4,3) ... ..., b (n, n-1) form stores.According to a high position in preceding, the posterior order of low level Arrangement b (1,0), b (2,1), b (3,2), b (4,3) ... divide b (n, n-1), form compressed data stream.
So far, the compression process of continuous data is just finished.The severe degree of difference data and data variation is proportional, when When data variation is violent, the difference data between two adjacent datas also can be larger；And when data variation is slower, adjacent data Difference data then can very little.It can thus be seen that difference data storage can effectively compress the size of gradual continuous data.
Below, the flow of decompression is illustrated.
Carrying out decompression to compressed data stream includes：
The flag bit of hyte in the compressed data stream is detected successively, and until detecting m-th of end hyte, m is more than 1 And the integer no more than n；
Still along to b (1), b (2) ... ..., b (k) represent hyte, and one or several hytes form a difference data, The set of multiple hytes of same difference data is stored that is, b (m, m-1), k are more than or equal to n.
Terminate hyte by described m-th and described m-th is terminated hyte and the m-1 whole terminated between hyte Non- end hyte is reduced to m-th of difference data；
During first data in depressurizing compression data stream, detection b (1) flag bit, if b (1) flag bit is 1, Then illustrate first data boil down to, one hyte；If b (1) flag bit is 0, b (2), b (3), b are detected successively (4) flag bit ..., untill detecting the hyte that first flag bit is 1.
If the hyte that the 1st flag bit is 1 is hyte j, illustrate j hyte of first data boil down to, with 1~j The non-mark position of individual hyte forms first data and 1 difference data.
When decompressing second to nth data, specific method is as follows：
1st, a upper data unzip to the hyte b (x) in data flow, then are proceeded by from the hyte b (x+1) in data flow The decompression of next data；
2nd, the flag bit of hyte is detected.Successively detect hyte b (x+1), b (x+2) ... flag bit, until detection Untill flag bit is 1 hyte.
If the hyte that the next flag bit the 3, detected is 1 is hyte b (x+n), with hyte b (x+1)~b (x+n) Non- mark position form the difference datas of the data.
M-th of difference data is added in the m-1 data, reduction obtains the m-th in the continuous data According to；
The difference of first data is due to the result that first data subtracts 0 in itself, therefore the difference data of first data As solve the value a1 of first data of extrusion.
For second and later data, in completion after the decompression of a data, decompression data result a is obtained (m-1)；
The difference data of data is the result that last data is subtracted by the value of data in itself, therefore the value a (m) of than the m-th data The data that the value a (m-1) of as the m-1 data extrudes with solution difference and.
Step S204 to S206 is performed successively to each hyte in the compressed data stream, until the compression.
Operation principle：
For doctor when being performed the operation, the three leaf self-inflated aorta petals 1 that will be replaced first are installed to the suction of grabbing device 2 On disk, power switch 8-5 and controlling switch 8-4 on control device 8 are opened, ultrasonic transducer 6 is beaten therewith with microwave probe 7 Open, by observing display device 8-2, three leaf self-inflated aorta petals 1 are then navigated to by specified location by locating rod 3, lead to The stayed pole 3 crossed on grabbing device 2 carries out position adjustments to three leaf self-inflated aorta petals, is finally completed operation.Present invention knot Structure is simple, easy to operation, substantially increases the success rate of operation, and postoperative complication is also well controlled.
Percutaneous aortic valve replacement operation conveying device provided by the invention with valve positioning function is filled by capturing Put and the three leaf self-inflated aorta petals to be replaced firmly are captured by grabbing device, pass through the stayed pole regulation three in conveying device The position of leaf self-inflated aorta petal, it is aobvious to outside by data line transfer by the ultrasonic transducer and microwave probe of inside Showing device intuitively observes the installation situation of three leaf self-inflated aorta petals, simple in construction, is more intuitively performed the operation, and improves The success rate of operation and the control to postoperative complication；
The present invention sets ultrasonic transducer, improves the accuracy of monitoring；The intelligent signal processing of control device makes operation The operating process of positioning in to(for) implantation instrument can control very well, and release comes off or position is accurate；
Latter data adjacent in continuous data is subtracted last data by the present invention, is obtained difference data, is stored the difference According to the data in the continuous data being carried out with the above-mentioned operation sought difference data and stored one by one, until the continuous data knot Untill beam, the compressed data stream of the continuous data is obtained, realizes the compression to continuous data, solves Coutinuous store at a high speed Data compression decompression problem during analog/digital conversion result；
The present invention integrates intelligent control, convenient, safety.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.

Claims (9)

  1. A kind of 1. percutaneous aortic valve replacement operation conveying device with valve positioning function, it is characterised in that the band valve The percutaneous aortic valve replacement operation of positioning function includes three leaf self-inflated aorta petals, grabbing device, positioning with conveying device Bar, regulation line, bearing pin, ultrasonic transducer, microwave probe, control device, supply unit and shell, the three leaves self-inflated is actively Arteries and veins valve is arranged on the end of the grabbing device, and the other end of the grabbing device is connected with the locating rod, and the ultrasound is changed Energy device is arranged on the right side of the shell, and the end of the ultrasonic transducer is connected by the bearing pin with device housings, described The tail end of ultrasonic transducer is connected with regulation line, and the right-hand member of the ultrasonic transducer is provided with microwave probe, the control device The outer end of the shell is arranged on, the control device is connected with the ultrasonic transducer and microwave probe respectively by data wire Logical, the supply unit connects the control device；
    Described grabbing device is circle, and the lower end of the grabbing device is provided with for adsorbing three leaf self-inflated aorta petals Sucker, four stayed poles are provided with the grabbing device, and the tie point of the stayed pole and grabbing device fills with circular crawl It is in 90 degree between the line of centres put；The cantilever end of described locating rod carries circular arc or circular ring structure；
    Described microwave probe includes Microwave cover, elastic sealing cover, heat conduction coolant and microwave probe element, the Microwave cover with The elastic sealing cover airtight connection forms confined space, and the microwave probe element is arranged in the Microwave cover and fixed Covered in the elastic packing, filling heat conduction coolant in the confined space；
    Described microwave probe element includes microwave probe chip assembly, transparent outer cover, fluorescent material and heat conductive transparent material, described Phosphor powder layer is coated with the inwall or outer wall of transparent outer cover, the microwave probe chip assembly is placed in the transparent outer cover It is interior, heat conductive transparent material described in embedding between the transparent outer cover and the microwave probe chip assembly.
  2. 2. the percutaneous aortic valve replacement operation conveying device with valve positioning function as claimed in claim 1, its feature It is, described control device includes control chip, display device, storage device, controlling switch and power switch, described control The connection of coremaking piece described display device, storage device and controlling switch, described power switch connect the supply unit；
    Described display device is tangible LCDs, and it is internal including display panel, elementary layer, adhesive linkage, the list First layer is arranged on the outside of the display panel, and the adhesive linkage is arranged between the display panel and the elementary layer.
  3. 3. the percutaneous aortic valve replacement operation conveying device with valve positioning function as claimed in claim 1, its feature It is, described supply unit includes power supply connecting device, electrical storage device and protective relaying device；
    Described power supply connecting device includes the power supply input circuit of at least one connection external power source and at least one connection is born The load output circuit of load；
    Described electrical storage device includes the accumulator charging/discharging circuit of connection battery.
  4. 4. the percutaneous aortic valve replacement operation conveying device with valve positioning function as claimed in claim 2, its feature It is, the control chip includes signal receiving module and signal processing module, signal receiving module and the signal transacting mould Block is connected by pin.
  5. 5. the percutaneous aortic valve replacement operation conveying device with valve positioning function as claimed in claim 4, its feature It is, the signal acceptance method of the signal receiving module is：
    Decision plane is determined according to the characteristic spectrum of reception signal；
    Judge whether the communication channel of reception signal is presented mutatis mutandis static conversion characteristic；
    When mutatis mutandis static conversion characteristic is presented in the communication channel, selected using support vector machine method in the decision plane Go out decision boundary；
    When mutatis mutandis static conversion characteristic is not presented in communication channel, selected using fuzzy clustering method in the decision plane Decision boundary；
    The signal received is detected according to the decision boundary.
  6. 6. the percutaneous aortic valve replacement operation conveying device with valve positioning function as claimed in claim 5, its feature It is, the characteristic spectrum according to reception signal determines that decision plane method is：
    Discrete signal vector progress linear transformation to reception signal obtains unitary transformation matrix；
    The elements in a main diagonal and counter-diagonal element in the unitary transformation matrix calculate the energy feature of reception signal Spectrum；
    Decision plane is obtained from energy feature spectrum；
    Encircled energy, waveform symmetry and the local wave function variance composed according to the energy feature are from the energy feature At least one set of characteristic vector is extracted in spectrum；
    Characteristic vector as decision plane is obtained from the characteristic vector of extraction in the way of pattern classification；
    The discrete signal vector of the reception signal samples to obtain by Nyquist law, and sampling length covers reception letter Number predetermined ratio energy；
    Before decision plane is obtained from energy feature spectrum, also carry out composing the energy feature at progress moving average Reason；
    The elements in a main diagonal and counter-diagonal element in the unitary transformation matrix calculate the energy feature of reception signal Spectral method is：
    To counter-diagonal element composition matrix carry out square and be multiplied by the elements in a main diagonal composition matrix, obtain reception signal Energy feature spectrum.
  7. 7. the percutaneous aortic valve replacement operation conveying device with valve positioning function as claimed in claim 6, its feature It is, the method that at least one set of characteristic vector of extraction uses specifically includes following steps：
    Obtain signal：Processing is amplified by sensor gathered data and to signal；
    Signal carries out segment processing：It is basic that average, variance, the accumulated value of signal and peak value 4 are extracted in every segment signal Time domain parameter, the first layer of the situation generation of doubtful leakage is determined whether by the difference of 4 parameter values of adjacent segment signal Decision-making judges：Wavelet packet denoising is down performed if having, no person, execution is jumped to and obtains signal；
    Wavelet packet denoising：Denoising is carried out to the signal of collection using improving Wavelet Packet Algorithm；
    WAVELET PACKET DECOMPOSITION and reconstruct：I.e. using signal progress WAVELET PACKET DECOMPOSITION and reconstruct of the Wavelet Packet Algorithm to collection is improved, obtain To list band reconstruction signal；
    Extract signal characteristic parameter：Time domain energy, time domain peak, frequency domain energy, frequency are extracted i.e. in the list band signal of reconstruct Domain peak value, coefficient of kurtosis, variance, the parameter of 8 expression signal characteristics of frequency spectrum and coefficient skewness；
    Composition characteristic vector：Principal component analytical method is utilized, sound emission can substantially be represented by selecting 3 to 8 from above-mentioned parameter The parameter composition characteristic vector of signal characteristic, and these characteristic vectors are input to SVMs and carry out decision-making judgement, i.e., the Two-stage decision judges, leakage is determined whether according to the output of SVMs.
  8. 8. the percutaneous aortic valve replacement operation conveying device with valve positioning function as claimed in claim 7, its feature It is, the wavelet packet denoising and WAVELET PACKET DECOMPOSITION are with reconstructing method：
    Signals extension, horizontal parabola continuation is entered to each layer signal of WAVELET PACKET DECOMPOSITION；
    If signal data is x (a), x (a+1), x (a+2), then continuation operator E expression formula be：
    <mrow> <mfenced open = "{" close = ""> <mtable> <mtr> <mtd> <mrow> <mi>x</mi> <mrow> <mo>(</mo> <mi>a</mi> <mo>-</mo> <mn>1</mn> <mo>)</mo> </mrow> <mo>=</mo> <mn>3</mn> <mi>x</mi> <mrow> <mo>(</mo> <mi>a</mi> <mo>)</mo> </mrow> <mo>-</mo> <mn>3</mn> <mi>x</mi> <mrow> <mo>(</mo> <mi>a</mi> <mo>+</mo> <mn>1</mn> <mo>)</mo> </mrow> <mo>+</mo> <mi>x</mi> <mrow> <mo>(</mo> <mi>a</mi> <mo>+</mo> <mn>2</mn> <mo>)</mo> </mrow> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mi>x</mi> <mrow> <mo>(</mo> <mi>a</mi> <mo>+</mo> <mn>3</mn> <mo>)</mo> </mrow> <mo>=</mo> <mn>3</mn> <mi>x</mi> <mrow> <mo>(</mo> <mi>a</mi> <mo>+</mo> <mn>2</mn> <mo>)</mo> </mrow> <mo>-</mo> <mn>3</mn> <mi>x</mi> <mrow> <mo>(</mo> <mi>a</mi> <mo>+</mo> <mn>1</mn> <mo>)</mo> </mrow> <mo>+</mo> <mi>x</mi> <mrow> <mo>(</mo> <mi>a</mi> <mo>)</mo> </mrow> </mrow> </mtd> </mtr> </mtable> </mfenced> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>1</mn> <mo>)</mo> </mrow> <mo>;</mo> </mrow>
    Eliminate list band un-necessary frequency composition；
    By the signal after continuation with decomposing low pass filter h0Convolution, obtain low frequency coefficient, then by HF-cut-IF operators at Reason, removes unnecessary frequency content, then carries out down-sampling, obtains next layer of low frequency coefficient；By the signal after continuation and decomposition High-pass filter g0Convolution, high frequency coefficient is obtained, then handled by LF-cut-IF operators, remove unnecessary frequency content, then Down-sampling is carried out, obtains next layer of high frequency coefficient, shown in HF-cut-IF operators such as formula (2), LF-cut-IF operators such as formula (3) institute Show；
    <mrow> <mfenced open = "{" close = ""> <mtable> <mtr> <mtd> <mrow> <mi>X</mi> <mrow> <mo>(</mo> <mi>k</mi> <mo>)</mo> </mrow> <mo>=</mo> <munderover> <mo>&amp;Sigma;</mo> <mrow> <mi>n</mi> <mo>=</mo> <mn>0</mn> </mrow> <mrow> <msub> <mi>N</mi> <mi>j</mi> </msub> <mo>-</mo> <mn>1</mn> </mrow> </munderover> <mi>x</mi> <mrow> <mo>(</mo> <mi>n</mi> <mo>)</mo> </mrow> <msup> <mi>W</mi> <mrow> <mi>k</mi> <mi>n</mi> </mrow> </msup> <mo>,</mo> <mn>0</mn> <mo>&amp;le;</mo> <mi>k</mi> <mo>&amp;le;</mo> <mfrac> <msub> <mi>N</mi> <mi>j</mi> </msub> <mn>4</mn> </mfrac> <mo>;</mo> <mfrac> <mrow> <mn>3</mn> <msub> <mi>N</mi> <mi>j</mi> </msub> </mrow> <mn>4</mn> </mfrac> <mo>&amp;le;</mo> <mi>k</mi> <mo>&amp;le;</mo> <msub> <mi>N</mi> <mi>j</mi> </msub> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mi>X</mi> <mrow> <mo>(</mo> <mi>k</mi> <mo>)</mo> </mrow> <mo>=</mo> <mn>0</mn> <mo>,</mo> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mi>x</mi> <mrow> <mo>(</mo> <mi>n</mi> <mo>)</mo> </mrow> <mo>=</mo> <munderover> <mo>&amp;Sigma;</mo> <mrow> <mi>k</mi> <mo>=</mo> <mn>0</mn> </mrow> <mrow> <msub> <mi>N</mi> <mi>j</mi> </msub> <mo>-</mo> <mn>1</mn> </mrow> </munderover> <mi>x</mi> <mrow> <mo>(</mo> <mi>k</mi> <mo>)</mo> </mrow> <msup> <mi>W</mi> <mrow> <mo>-</mo> <mi>k</mi> <mi>n</mi> </mrow> </msup> <mo>,</mo> </mrow> </mtd> </mtr> </mtable> </mfenced> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>2</mn> <mo>)</mo> </mrow> </mrow>
    <mrow> <mfenced open = "{" close = ""> <mtable> <mtr> <mtd> <mrow> <mi>X</mi> <mrow> <mo>(</mo> <mi>k</mi> <mo>)</mo> </mrow> <mo>=</mo> <munderover> <mo>&amp;Sigma;</mo> <mrow> <mi>n</mi> <mo>=</mo> <mn>0</mn> </mrow> <mrow> <msub> <mi>N</mi> <mi>j</mi> </msub> <mo>-</mo> <mn>1</mn> </mrow> </munderover> <mi>x</mi> <mrow> <mo>(</mo> <mi>n</mi> <mo>)</mo> </mrow> <msup> <mi>W</mi> <mrow> <mi>k</mi> <mi>n</mi> </mrow> </msup> <mo>,</mo> <mfrac> <msub> <mi>N</mi> <mi>j</mi> </msub> <mn>4</mn> </mfrac> <mo>&amp;le;</mo> <mi>k</mi> <mo>&amp;le;</mo> <mfrac> <mrow> <mn>3</mn> <msub> <mi>N</mi> <mi>j</mi> </msub> </mrow> <mn>4</mn> </mfrac> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mi>X</mi> <mrow> <mo>(</mo> <mi>k</mi> <mo>)</mo> </mrow> <mo>=</mo> <mn>0</mn> <mo>,</mo> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mi>x</mi> <mrow> <mo>(</mo> <mi>n</mi> <mo>)</mo> </mrow> <mo>=</mo> <munderover> <mo>&amp;Sigma;</mo> <mrow> <mi>k</mi> <mo>=</mo> <mn>0</mn> </mrow> <mrow> <msub> <mi>N</mi> <mi>j</mi> </msub> <mo>-</mo> <mn>1</mn> </mrow> </munderover> <mi>x</mi> <mrow> <mo>(</mo> <mi>k</mi> <mo>)</mo> </mrow> <msup> <mi>W</mi> <mrow> <mo>-</mo> <mi>k</mi> <mi>n</mi> </mrow> </msup> <mo>,</mo> </mrow> </mtd> </mtr> </mtable> </mfenced> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>3</mn> <mo>)</mo> </mrow> </mrow>
    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：
    Obtained high and low frequency coefficient is up-sampled, then respectively with high pass reconstruction filter g1With low-pass reconstruction filter h1 Convolution, obtained signal is handled with HF-cut-IF, LF-cut-IF operator respectively, obtain list band reconstruction signal.
  9. 9. the percutaneous aortic valve replacement operation conveying device with valve positioning function as claimed in claim 4, its feature It is, signal processing module processing method is：
    A. latter data adjacent in continuous data is subtracted into last data, obtains difference data；
    B. the difference data is stored；
    C. the data in the continuous data are carried out one by one such as step a and b operation, until the continuous data terminate for Only, the compressed data stream of the continuous data is obtained；
    D. detect the flag bit of hyte in the compressed data stream successively, until detecting m-th of end hyte, m be more than 1 and Integer no more than n；
    E. terminate hyte and m-th of end hyte by described m-th and the m-1 whole terminated between hyte is non- Terminate hyte and be reduced to m-th of difference data；
    F. m-th of difference data is added in the m-1 data, reduction obtains the than the m-th data in the continuous data；
    G. step d to f is performed successively to each hyte in the compressed data stream, untill the compressed data stream terminates, Continuous data after being decompressed；
    It is described that latter data adjacent in continuous data is subtracted into last data, before the step of obtaining difference data, in addition to：Match somebody with somebody Basic unit of storage is put, the basic unit of storage is a hyte for including more bits (bit), and the hyte includes 1bit's Flag bit, other bits in the hyte in addition to the flag bit are data bit, and the flag bit is used to show institute's rheme Whether group is to store the end hyte that difference data terminates；
    The flag bit is the highest order of the hyte；
    Latter data adjacent in continuous data is subtracted into last data, before the step of obtaining difference data, in addition to：By described in First data in continuous data are subtracted each other with 0, obtain first difference data；
    The step of storage difference data, includes：According to the size of the difference data, one or more hyte storages are distributed The difference data；It is to show that the hyte is the storage difference by the mark position for last hyte for storing a difference data According to the end hyte of end；
    When distributing multiple hytes storage difference datas, described the step of storing the difference data, also includes：Storage institute will be removed The mark position for stating other hytes outside last hyte of difference data is to show that the hyte is non-end hyte；
    The compressed data stream of the continuous data includes n difference data, and n is the number of data in the continuous data, the difference Sequence of the data in the compressed data stream is with generating sequence consensus of the data of the difference data in the continuous data；
    Terminate hyte by described m-th and described m-th is terminated hyte and the m-1 non-knot of whole terminated between hyte Beam hyte is reduced to m-th of difference data：Terminate hyte by described m-th and described m-th is terminated hyte and the The non-data bit for terminating hyte of the m-1 whole terminated between hyte is reduced to m-th of difference data.
CN201610273793.3A 2016-04-27 2016-04-27 A kind of percutaneous aortic valve replacement operation conveying device with valve positioning function Expired - Fee Related CN105769387B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610273793.3A CN105769387B (en) 2016-04-27 2016-04-27 A kind of percutaneous aortic valve replacement operation conveying device with valve positioning function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610273793.3A CN105769387B (en) 2016-04-27 2016-04-27 A kind of percutaneous aortic valve replacement operation conveying device with valve positioning function

Publications (2)

Publication Number Publication Date
CN105769387A CN105769387A (en) 2016-07-20
CN105769387B true CN105769387B (en) 2017-12-15

Family

ID=56398975

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610273793.3A Expired - Fee Related CN105769387B (en) 2016-04-27 2016-04-27 A kind of percutaneous aortic valve replacement operation conveying device with valve positioning function

Country Status (1)

Country Link
CN (1) CN105769387B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106373018A (en) * 2016-08-29 2017-02-01 巴中市方圆环保科技发展有限责任公司 Internet management system used for konjac planting
CN106214192A (en) * 2016-08-30 2016-12-14 姜文晓 A kind of motion Medical joint videoendoscopic surgery equipment
CN106315416B (en) * 2016-09-18 2018-02-06 李永 A kind of electrical control system of crane
CN107967614A (en) * 2016-10-19 2018-04-27 潍坊科技学院 A kind of intelligent multimedia advertisement design system
CN106370792B (en) * 2016-11-01 2018-01-02 张嘉怡 A kind of indoor air quality monitoring system
CN106556760A (en) * 2016-11-16 2017-04-05 北华大学 A kind of automated test control system of the vehicle mounted multimedia based on cloud computing
CN106483920A (en) * 2016-12-09 2017-03-08 西华大学 A kind of water process comprehensive automation integrated control system based on Internet of Things
CN106730226A (en) * 2017-01-11 2017-05-31 韩秀霞 A kind of emergency care inhalation device
EP3592289B1 (en) 2017-03-09 2021-07-07 Medtronic Vascular Inc. Tension management devices for stented prosthesis delivery device
CN107080556B (en) * 2017-04-27 2020-05-08 苏州佳世达电通有限公司 Ultrasonic image detection method and system
CN107519262A (en) * 2017-10-14 2017-12-29 杜运升 One kind is promoted the sexual maturity scattered medicine and preparation method and application
CN113450342B (en) * 2021-07-16 2022-06-14 福州大学 Biological tissue contour imaging method based on optical coherence tomography

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101980670A (en) * 2008-01-24 2011-02-23 麦德托尼克公司 Delivery systems and methods of implantation for prosthetic heart valves
CN103220993A (en) * 2010-08-25 2013-07-24 卡迪派克斯有限公司 Minimally invasive surgical techniques
CN103607957A (en) * 2011-04-11 2014-02-26 艾玛克公司 Ultrasound guided positioning of cardiac replacement valves
CN103841899A (en) * 2011-09-13 2014-06-04 艾博特心脏血管系统公司 Gripper pusher mechanism for tissue apposition systems
CN204798060U (en) * 2015-06-02 2015-11-25 北京迈迪顶峰医疗科技有限公司 Valve prosthetic devices

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11406498B2 (en) * 2012-12-20 2022-08-09 Philips Image Guided Therapy Corporation Implant delivery system and implants
WO2015097306A1 (en) * 2013-12-29 2015-07-02 Reisinger Daniel Medical Innovations Rinsing and sucking device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101980670A (en) * 2008-01-24 2011-02-23 麦德托尼克公司 Delivery systems and methods of implantation for prosthetic heart valves
CN103220993A (en) * 2010-08-25 2013-07-24 卡迪派克斯有限公司 Minimally invasive surgical techniques
CN103607957A (en) * 2011-04-11 2014-02-26 艾玛克公司 Ultrasound guided positioning of cardiac replacement valves
CN103841899A (en) * 2011-09-13 2014-06-04 艾博特心脏血管系统公司 Gripper pusher mechanism for tissue apposition systems
CN204798060U (en) * 2015-06-02 2015-11-25 北京迈迪顶峰医疗科技有限公司 Valve prosthetic devices

Also Published As

Publication number Publication date
CN105769387A (en) 2016-07-20

Similar Documents

Publication Publication Date Title
CN105769387B (en) A kind of percutaneous aortic valve replacement operation conveying device with valve positioning function
CN101287407B (en) Implant transmitter
US8886311B2 (en) Techniques for mitigating motion artifacts from implantable physiological sensors
EP2846680B1 (en) Implantable pressure sensor
JPH10234868A (en) System and method for data compression and non-linear sampling used to implant type device and battery driving type device, etc.
CN106037655A (en) Separation and cycle calculation method and device of sleep cycle signals
WO2006081590A3 (en) System and method for monitoring myocardial performance using sensed ventricular pressures
CN109998527A (en) A kind of heart disease detection method based on multi-scale entropy
CN110141215A (en) The training method of noise reduction self-encoding encoder, the noise-reduction method of electrocardiosignal and relevant apparatus, equipment
CN106214192A (en) A kind of motion Medical joint videoendoscopic surgery equipment
Raja et al. Design of a low power ECG signal processor for wearable health system-review and implementation issues
CN1732871A (en) Two-way multi-channel artificial cochlea system with on-chip signal processor
CN114041800B (en) Electrocardiosignal real-time classification method and device and readable storage medium
Allam et al. A deformable CNN architecture for predicting clinical acceptability of ECG signal
CN201641987U (en) Sleeve belt type traditional Chinese medicine pulse-condition collecting device
CN102302373A (en) Method for detecting heart sound signal feature points based on multiplexing multi-resolution wavelet transformation
CN107913062B (en) Electrocardiosignal processing method and system
US20140309539A1 (en) Implantable cardiac device adapted to extract a patient&#39;s respiratory waveforms from an intrathoracic or intracardiac impedance, pressure and/or accelerometry input stream
CN212415748U (en) Whole body multipath electrocardio real-time wireless monitoring system
CN216004817U (en) Electrocardiograph lead wire storage device capable of automatically stretching and rewinding
CN103209646B (en) For the filter apparatus to ultrasonic signal filtering
CN202942104U (en) Small pre-excitation syndrome detecting device
Grove et al. Mitrospermum vinculum sp. nov., a cardiocarpalean ovule from the Upper Pennsylvanian of Ohio
Maassoumi A revision of the genus Calligonum L.(Polygonaceae) in Iran
CN206044617U (en) A kind of circuit and blood pressure cuff measuring instrument for extracting blood pressure cuff Sasser

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20160914

Address after: 510220 No. 253, Industrial Avenue, Guangzhou, Guangdong, Haizhuqu District

Applicant after: Zhujiang Hospital attached to Nanfang Medical Univ.

Address before: 510250 Guangdong city of Guangzhou province Haizhuqu District City No. 4 North Street 2903

Applicant before: Zhang Peidong

GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171215

Termination date: 20180427