CN105919576A - Pressure difference monitoring device based on femoral artery stent and method based on pressure difference monitoring device - Google Patents
Pressure difference monitoring device based on femoral artery stent and method based on pressure difference monitoring device Download PDFInfo
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- CN105919576A CN105919576A CN201610393367.3A CN201610393367A CN105919576A CN 105919576 A CN105919576 A CN 105919576A CN 201610393367 A CN201610393367 A CN 201610393367A CN 105919576 A CN105919576 A CN 105919576A
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- 210000001105 femoral artery Anatomy 0.000 title claims abstract description 92
- 238000012806 monitoring device Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000036772 blood pressure Effects 0.000 claims abstract description 26
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 37
- 230000008569 process Effects 0.000 claims description 7
- 230000010349 pulsation Effects 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 200000000007 Arterial disease Diseases 0.000 abstract description 3
- 208000028922 artery disease Diseases 0.000 abstract description 3
- 239000013078 crystal Substances 0.000 description 5
- 239000004205 dimethyl polysiloxane Substances 0.000 description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 3
- 208000037803 restenosis Diseases 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- -1 polydimethylsiloxane Polymers 0.000 description 2
- 102100032533 ADP/ATP translocase 1 Human genes 0.000 description 1
- 102100026396 ADP/ATP translocase 2 Human genes 0.000 description 1
- 206010003210 Arteriosclerosis Diseases 0.000 description 1
- 102100026191 Class E basic helix-loop-helix protein 40 Human genes 0.000 description 1
- 101710130550 Class E basic helix-loop-helix protein 40 Proteins 0.000 description 1
- 102100026190 Class E basic helix-loop-helix protein 41 Human genes 0.000 description 1
- 208000005189 Embolism Diseases 0.000 description 1
- 101000768061 Escherichia phage P1 Antirepressor protein 1 Proteins 0.000 description 1
- 101000796932 Homo sapiens ADP/ATP translocase 1 Proteins 0.000 description 1
- 101000718417 Homo sapiens ADP/ATP translocase 2 Proteins 0.000 description 1
- 101000765033 Homo sapiens Class E basic helix-loop-helix protein 41 Proteins 0.000 description 1
- 208000001435 Thromboembolism Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 208000011775 arteriosclerosis disease Diseases 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000028867 ischemia Diseases 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body
- A61B5/02158—Measuring pressure in heart or blood vessels by means inserted into the body provided with two or more sensor elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0015—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0031—Implanted circuitry
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
- A61B5/02007—Evaluating blood vessel condition, e.g. elasticity, compliance
- A61B5/02014—Determining aneurysm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6862—Stents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6867—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive specially adapted to be attached or implanted in a specific body part
- A61B5/6876—Blood vessel
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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
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/07—Stent-grafts
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
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- Neurosurgery (AREA)
- Gastroenterology & Hepatology (AREA)
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- Transplantation (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The invention relates to a pressure difference monitoring device based on a femoral artery stent and a method based on the pressure difference monitoring device. The pressure difference monitoring device is characterized by comprising the femoral artery stent, two integrated circuits and external processing equipment, wherein the femoral artery stent is utilized as an antenna, and the two integrated circuits are fixedly arranged at an inlet and an outlet of a blood vessel of the femoral artery stent respectively; each integrated circuit comprises an energy supply module, a pressure sensor, a storage device, a data processor and a first radio frequency transceiving module, the energy supply module is used for supplying electric power to the integrated circuit, the pressure sensor is used for transmitting detected blood pressure signals to the data processor through the storage device, the data processor is used for converting the blood pressure signals to digital signals, and the first radio frequency transceiving module is used for transmitting the digital signals to the external processing equipment through the femoral artery stent. The device and the method can be widely applied to condition monitoring of femoral artery diseases.
Description
Technical field
The present invention is about a kind of pressure difference monitoring device based on femoral artery support and method thereof, relates to medical monitoring skill
Art field.
Background technology
Femoral artery disease is situation occurred frequently in recent years, and arteriosclerosis is one of which important diseases, the master of femoral artery hardening
Wanting the cause of disease is to pile up at some lipid materials of femoral artery inner membrance to form white speckle, causes lumen of artery narrow, makes blood flow be subject to
Resistance, causes lower limb tissue ischemia.
Femoral artery support is the important means for the treatment of femoral artery thromboembolism, and femoral artery support is got involved after operation completes, need into
Row periodic review.At present, femoral artery support is usually independent intervention, and it no longer adds any other parts.
Summary of the invention
For the problems referred to above, it is an object of the invention to provide a kind of volume little, radiate little, femoral artery can be propped up simultaneously
Pressure difference monitoring device based on femoral artery support that frame blood pressure is monitored in real time and method thereof.
For achieving the above object, the present invention takes techniques below scheme: a kind of pressure difference based on femoral artery support is monitored
Device, it is characterised in that this monitoring device includes one arterial bracket, two integrated circuits and an external processing apparatus；
Described femoral artery support uses as antenna, and integrated circuit described in two is respectively fixedly disposed at the blood of described femoral artery support
At the entrance and exit of pipe；Each described integrated circuit all includes an energy supply module, a pressure transducer, one deposits
Reservoir, a data processor and one first radio-frequency (RF) receiving and transmission module, each described energy supply module is for for described integrated
Circuit is powered；The blood pressure signal detected is transmitted to described data processor by described pressure transducer through described memorizer,
Blood pressure signal is converted into digital signal by described data processor, and numeral is believed by described first radio-frequency (RF) receiving and transmission module
Number it is transferred to described external processing apparatus through described femoral artery support.
Further, described external processing apparatus includes launching antenna, reception antenna, the second radio-frequency (RF) receiving and transmission module, process
Device, transport module and work station, by described integrated in described transmitting sky alignment body of described second radio-frequency (RF) receiving and transmission module
Circuit transmission electromagnetic transmission energy, receives the described integrated circuit blood pressure to external transmission through described reception antenna simultaneously
Signal, the blood pressure signal received is sent to described work by described radio-frequency (RF) receiving and transmission module through described processor and transport module
Stand.
Further, described femoral artery support includes plural bracing structure and some longitudinal support structure, often
Bracing structure described in one is bent to form ring support by a tinsel, passes through described in adjacent two between ring support
Some described longitudinal support structure being crisscross arranged are fixing to be connected, and forms network structure after making support strut, and described stock moves
Pulsation frame is configured to by two isometric joints, and the one end often saving described support is all connected with ic output described in,
The other end often saving described support is respectively arranged with insulant.
Further, described ring support uses sinusoidal configuration or sawtooth waveforms structure.
Further, described femoral artery support is set to as resonant frequency f of antenna:
In formula, N be the quantity of ring support, n be the fluctuating quantity of waveform in ring support, l be the length of longitudinal support structure
Degree, C1、C2And C3It is positive coefficient.
Further, integrated circuit described in two is arranged on a string configuration, and strip integrated circuit is along described femoral artery
Support is axial arranged.
Further, each described integrated circuit all uses segmentation structure, and stagewise integrated circuit is along femoral artery support shaft
To layout.
Further, each described integrated circuit all uses square structure, is wrapped in its outside biological compatibility shell
Use circular configuration.
Further, each described integrated circuit all uses loop configuration, annular integrated circuit place plane to move with described stock
The tangent plane of pulsation frame is parallel.
A kind of monitoring method based on described pressure difference monitoring device, it is characterised in that include herein below: 1) arrange
The one pressure difference monitoring including pressure transducer, data processor, the first radio-frequency (RF) receiving and transmission module and external processing apparatus
Device, wherein, external processing apparatus include reception antenna, the second radio-frequency (RF) receiving and transmission module, processor, transport module and
Work station；2) two pressure transducers gather the blood pressure signal at femoral artery stented vessel two ends respectively, and pass through phase respectively
Transmit after answering data processor processes to the first radio-frequency (RF) receiving and transmission module, two first radio-frequency (RF) receiving and transmission module blood pressure letter to receiving
It is sent to external processing apparatus by antenna after number being modulated respectively；3) the femoral artery support that reception antenna will receive
The blood pressure signal at blood vessel two ends is sent to work station after the second radio-frequency (RF) receiving and transmission module is demodulated and after the process of treated device.
Due to the fact that and take above technical scheme, it has the advantage that 1, the present invention includes femoral artery support, two
Integrated circuit and external processing apparatus, two integrated circuits are respectively fixedly disposed at the entrance and exit of femoral artery stented vessel
Femoral artery support blood pressure is monitored by place, it is possible to obtain blood pressure situation in femoral artery support, by femoral artery inner support
The duty of femoral artery support can be monitored by the pressure difference at two ends effectively.2, due to the fact that and take in real time
The mode of detection, patient can understand self health status without going to hospital to do radiography, reduce cost and risk, subtract
Lack the misery of patient, made the feedback that doctor obtains more quickly effectively.3, the present invention can implant at operative treatment and prop up
Integrated circuit is implanted, it is to avoid the misery of patient's second operation while frame.The present invention can be widely applied to femoral artery disease
In sick status monitoring.
Accompanying drawing explanation
Fig. 1 is the integrated circuit structure schematic diagram of the present invention；
Fig. 2 is the structural representation during data processor employing NRF51822 chip of the present invention；
Fig. 3 is the external processing apparatus structural representation of the present invention；
Fig. 4 is that femoral artery support of the present invention uses saw tooth wave shape structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is carried out detailed description.It should be appreciated, however, that being provided only more of accompanying drawing
Understanding the present invention well, they should not be interpreted as limitation of the present invention.
As it is shown in figure 1, the pressure difference monitoring device based on femoral artery support of the present invention, including one arterial bracket,
Two integrated circuits and an external processing apparatus；Femoral artery support is used for carrying out energy and signal transmission, two collection as antenna
Becoming circuit to be respectively fixedly disposed at the entrance and exit of femoral artery stented vessel, each integrated circuit all includes an energy
Supply module, a pressure transducer, a memorizer, a data processor and one first radio-frequency (RF) receiving and transmission module.Each energy
Amount supply module is through being radiated by external processing apparatus by the first radio-frequency (RF) receiving and transmission module reception as the femoral artery support of antenna
To internal electromagnetic wave, it is that on integrated circuit, miscellaneous part is powered by the way of radio frequency energy is collected.Pressure passes
The blood pressure signal detected transmission is stored to memorizer by sensor, data processor can from memory read data,
It is translated into digital signal, and loads the information such as integrated circuit ID, timestamp, will by the first radio-frequency (RF) receiving and transmission module
Digital signal to external processing apparatus, completes DATA REASONING through the antenna transmission as femoral artery support, signal launches merit
Energy.Wherein, energy supply module can also use minicell as an alternative, in order to is directly each on integrated circuit
Parts are powered.
In a preferred embodiment, as in figure 2 it is shown, data processor can use NORDIC company to produce
NRF51822 chip.This chip ADC switched pins J6 is connected in parallel two pressure transducers, and VDD power pins J1 is even
Connecing energy supply module, XC1, XC2 pin J37-J38 connects clock circuit, VDD_PA, ANT1, ANT2 pin
J30-J32 connects the first radio-frequency (RF) receiving and transmission module, and P0.01 pin J5 connects power sense circuit, DEC1 pin J39 warp
3rd electric capacity C3 ground connection；Ground connection after VSS pin J33, J34 parallel connection, connects energy after VSS pin J33, J34 parallel connection
Amount supply module, the 4th electric capacity C4 in parallel between AVDD pin with VSS pin.DEC2 pin J29 is through the tenth
Electric capacity C10 and EXP_GND pin J49 be connected after ground connection；VSS pin J13 ground connection, SWCLK pin is through the 3rd resistance
R3 ground connection.
Wherein, clock circuit includes the first electric capacity C1, the second electric capacity C2 and crystal oscillator X1, and crystal oscillator X1 controls end pin 1
Through the second electric capacity C2 ground connection, crystal oscillator X1 outfan pin 2 is through the first electric capacity C1 ground connection；Crystal oscillator X1 controls end pin
The 1 XC1 pin J37 being additionally coupled to NRF51822 chip, crystal oscillator X1 outfan pin 2 is additionally coupled to NRF51822
The XC2 pin J38 of chip.
Power sense circuit includes the first resistance R1, the second resistance R2 and electric capacity C13, and the first resistance R1 mono-terminates height
Level (i.e. energy supply module), the first resistance R1 other end is through the second resistance R2 ground connection；It is positioned at the second resistance R2
It is connected to NRF51822 by wire between two ends shunt capacitance C13, and the first resistance R1 other end and the second resistance R2
The P0.01 pin J5 of chip.
In a preferred embodiment, as it is shown on figure 3, external processing apparatus include launch antenna, reception antenna,
Second radio-frequency (RF) receiving and transmission module, processor, transport module and work station.By the second radio-frequency (RF) receiving and transmission module emitted sky alignment
Internal integrated circuit launches electromagnetic transmission energy, simultaneously and the integrated circuit that is received in antenna receiving body is to external
The blood pressure signal sent；The treated device of blood pressure signal received, transport module are sent extremely by the second radio-frequency (RF) receiving and transmission module
Work station, in case follow-up use.Wherein, work station can use the mobile terminal such as smart mobile phone, intelligent watch.
In a preferred embodiment, being provided with signal processing system in work station, signal processing system calculates installs
There is the pressure difference at the blood vessel two ends of femoral artery support, and judge that whether the pressure difference obtained in Preset Time is at default model
In enclosing, thus whether the blood vessel judging to be provided with femoral artery support occurs in that the phenomenon of restenosis.
In a preferred embodiment, as shown in Figure 4, femoral artery support includes plural bracing structure
1 and some longitudinal support structure 2, each bracing structure 1 is bent to form ring support by a tinsel；Adjacent
Connect by some longitudinal support structure 2 being crisscross arranged are fixing between two ring supports, after making support strut, form net
Shape structure.Ring support can use sinusoidal configuration or sawtooth waveforms structure.Femoral artery support is by two isometric joint supports
Constituting, the one end often saving support is all connected with an ic output, two joints be configured to integrated circuit antenna
The two poles of the earth feed.Wherein, it is respectively arranged with insulant at the other end often saving support, is fixed by insulant
The steadiness of this joint supporting structure.In the present embodiment, when this femoral artery support is as antenna, its radiance is more preferable,
Frequency band is wider.
Femoral artery support is set to as resonant frequency f of antenna:
In formula, N be the quantity of ring support, n be the fluctuating quantity of waveform in ring support, l be longitudinal support structure
Length, C1、C2And C3It is positive coefficient.Wherein, N, n and l are the biggest, and resonant frequency is the least.During use, by
In not adjusting the size of femoral artery support, so by adjusting waveform in quantity N of ring support, ring support
Length l of fluctuating quantity n and longitudinal support structure adjusts the resonant frequency of antenna.
In a preferred embodiment, each integrated circuit external is enclosed with biological compatibility shell.Each integrated
Circuit can be fixed on femoral artery stent outer by a gim peg, and one end of gim peg is welded on the pad of integrated circuit
On, the other end links together with femoral artery support outer wall；Gim peg is exposed to biological compatibility enclosure, raw
Thing compatibility shell is avoided that the rejection producing human body.Preferably, biological compatibility shell has the most pliable and the toughest
Property, can bend.The material of biological compatibility shell preferably employs polydimethylsiloxane (PDMS).During making,
Can integrated circuit be put in a mold, with polydimethylsiloxane be filled with encapsulation, gim peg is left outside thus
Prepare band biological compatibility shell and the integrated circuit of gim peg.
In a preferred embodiment, could be covered with biology at the solder joint of gim peg and femoral artery support compatible
Property medicine film.Owing to the welding of gim peg and femoral artery support may destroy the biological compatibility outside femoral artery support
Shell, covers one layer of medicine film at gim peg and femoral artery support weld, can prevent the rejection of human body from sending out further
Raw.
In a preferred embodiment, each integrated circuit by flexible PCB and is formed on this flexible PCB
The each modular circuit chip being made up of wafer is made, to adapt to volumetric constraint, and can be with the change of femoral artery support shape
It is curved, but its length is less than femoral artery stent length, and in order to not block blood vessel, its sectional area is less than
0.5mm×0.5mm。
In a preferred embodiment, two integrated circuits can be arranged on a string configuration, the integrated electricity of strip
Curb femoral artery support is axial arranged；Each integrated circuit all can use segmentation structure, stagewise integrated circuit edge
Femoral artery support is axial arranged, and integrated circuit external is enclosed with biological compatibility shell；Each integrated circuit is the most permissible
Use square structure, be wrapped in its outside biological compatibility shell and use circular configuration；Each integrated circuit
To use loop configuration, annular integrated circuit place plane is parallel with the tangent plane of femoral artery support.
The pressure difference monitoring device pair based on femoral artery support using the present invention is described in detail below by specific embodiment
The detailed process that the blood pressure of patient is monitored:
1, two pressure transducers gather the blood pressure signal at femoral artery stented vessel two ends respectively, and pass through respective counts respectively
Transmitting after processing according to processor to the first radio-frequency (RF) receiving and transmission module, the blood pressure signal received is divided by two first radio-frequency (RF) receiving and transmission module
It is sent to external processing apparatus by antenna after not being modulated.
2, the blood pressure signal at the femoral artery stented vessel two ends received is carried out by reception antenna through the second radio-frequency (RF) receiving and transmission module
It is sent to work station after demodulation and after the process of treated device.
In a particular embodiment, use the pressure difference monitoring device based on femoral artery support of the present invention to femoral artery support
Duty carries out the process detected:
The signal processing system being arranged in work station is by the pressure difference at the blood vessel two ends being provided with femoral artery support of reception
Compare with preset value, if the pressure difference at femoral artery stented vessel two ends is in preset range within the setting time,
Determine that the work of femoral artery support is in good condition, it is believed that the blood vessel being provided with femoral artery support does not occur restenosis phenomenon；
If the pressure difference at femoral artery stented vessel two ends is not in preset range within the setting time, determine femoral artery timberer
Make state and occur abnormal, it is believed that the blood vessel generation restenosis phenomenon of femoral artery support is installed.Furthermore it is possible to according to obtaining
The pressure difference at the femoral artery stented vessel two ends taken further appreciates that the working condition of femoral artery support as reference value.
The various embodiments described above are merely to illustrate the present invention, and the structure of the most each parts, connected mode and processing technology etc. are all
Can be varied from, every equivalents carried out on the basis of technical solution of the present invention and improvement, the most should not
Get rid of outside protection scope of the present invention.
Claims (10)
1. a pressure difference monitoring device based on femoral artery support, it is characterised in that this monitoring device includes that one moves
Pulsation frame, two integrated circuits and an external processing apparatus；
Described femoral artery support uses as antenna, and integrated circuit described in two is respectively fixedly disposed at described femoral artery support
Blood vessel entrance and exit at；Each described integrated circuit all include an energy supply module, a pressure transducer,
One memorizer, a data processor and one first radio-frequency (RF) receiving and transmission module, each described energy supply module is for for described
Integrated circuit；The blood pressure signal detected is transmitted to described data by described pressure transducer through described memorizer
Reason device, blood pressure signal is converted into digital signal by described data processor, and will by described first radio-frequency (RF) receiving and transmission module
Digital signal is transferred to described external processing apparatus through described femoral artery support.
2. pressure difference monitoring device based on femoral artery support as claimed in claim 1, it is characterised in that outside described
Portion's processing equipment includes launching antenna, reception antenna, the second radio-frequency (RF) receiving and transmission module, processor, transport module and work
Stand, described second radio-frequency (RF) receiving and transmission module described integrated circuit in described transmitting sky alignment body launch electromagnetic transmission
Energy, receives the described integrated circuit blood pressure signal to external transmission, described radio-frequency receiving-transmitting through described reception antenna simultaneously
The blood pressure signal received is sent to described work station by module through described processor and transport module.
3. pressure difference monitoring device based on femoral artery support as claimed in claim 1, it is characterised in that described stock
Arterial bracket includes plural bracing structure and some longitudinal support structure, each described bracing structure
Be bent to form ring support by a tinsel, described in adjacent two between ring support by some be crisscross arranged described
Longitudinal support structure is fixing to be connected, and forms network structure after making support strut, and described femoral artery support is by two isometric joints
Propping up and be configured to, the one end often saving described support is all connected with ic output described in, often saves the another of described support
One end is respectively arranged with insulant.
4. pressure difference monitoring device based on femoral artery support as claimed in claim 3, it is characterised in that described ring
Shape support uses sinusoidal configuration or sawtooth waveforms structure.
5. the pressure difference monitoring device based on femoral artery support as described in claim 3 or 4, it is characterised in that institute
State femoral artery support to be set to as resonant frequency f of antenna:
In formula, N be the quantity of ring support, n be the fluctuating quantity of waveform in ring support, l be longitudinal support structure
Length, C1、C2And C3It is positive coefficient.
Pressure difference monitoring device based on femoral artery support the most as claimed in claim 1 or 2 or 3 or 4, its feature
Being, integrated circuit described in two is arranged on a string configuration, and strip integrated circuit is along described femoral artery support shaft
To layout.
Pressure difference monitoring device based on femoral artery support the most as claimed in claim 1 or 2 or 3 or 4, its feature
Being, each described integrated circuit all uses segmentation structure, and described stagewise integrated circuit is axial along femoral artery support
Arrange.
Pressure difference monitoring device based on femoral artery support the most as claimed in claim 1 or 2 or 3 or 4, its feature
Being, each described integrated circuit all uses square structure, is wrapped in its outside biological compatibility shell and uses circle
Shape structure.
Pressure difference monitoring device based on femoral artery support the most as claimed in claim 1 or 2 or 3 or 4, its feature
Being, each described integrated circuit all uses loop configuration, annular integrated circuit place plane and described femoral artery support
Tangent plane parallel.
10., based on a monitoring method for pressure difference monitoring device as described in any one of claim 1～9, its feature exists
In, including herein below:
1) arrange one and include pressure transducer, data processor, the first radio-frequency (RF) receiving and transmission module and external processing apparatus
Pressure difference monitoring device, wherein, external processing apparatus include reception antenna, the second radio-frequency (RF) receiving and transmission module, processor,
Transport module and work station；
2) two pressure transducers gather the blood pressure signal at femoral artery stented vessel two ends respectively, and pass through respective counts respectively
Transmitting after processing according to processor to the first radio-frequency (RF) receiving and transmission module, the blood pressure signal received is divided by two first radio-frequency (RF) receiving and transmission module
It is sent to external processing apparatus by antenna after not being modulated；
3) blood pressure signal at the femoral artery stented vessel two ends received is carried out by reception antenna through the second radio-frequency (RF) receiving and transmission module
It is sent to work station after demodulation and after the process of treated device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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