CN105942998A - Blood vessel wall pressure monitoring device and method based on abdominal aortic stent - Google Patents
Blood vessel wall pressure monitoring device and method based on abdominal aortic stent Download PDFInfo
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- CN105942998A CN105942998A CN201610394598.6A CN201610394598A CN105942998A CN 105942998 A CN105942998 A CN 105942998A CN 201610394598 A CN201610394598 A CN 201610394598A CN 105942998 A CN105942998 A CN 105942998A
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- blood vessel
- vessel wall
- wall pressure
- integrated circuit
- monitoring device
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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 pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- 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 pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- 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
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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
- A61B5/68—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
-
- 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
Abstract
The invention relates to a blood vessel wall pressure monitoring device and method based on an abdominal aortic stent. The blood vessel wall pressure monitoring device comprises a covered stent, an integrated circuit and an external processing device. The integrated circuit is arranged outside the covered stent and comprises an energy supply module, a blood pressure sensor, a memorizer, a data processor and a first radio-frequency transmitting-receiving module. The energy supply module is used for supply power for the integrated circuit. The blood pressure sensor transmits a detected blood vessel wall pressure signal to the data processor through the memorizer, the data processor converts the blood vessel wall pressure signal into a digital signal, loads an integrated circuit ID and timestamp information and transmits the digital signal to the external processing device through the first radio-frequency transmitting-receiving module and the covered stent to complete data measuring and signal transmitting functions. The blood vessel wall pressure monitoring device is small in size and small in radiation amount, meanwhile can conduct real-time monitoring on a patient and can be widely applied to abdominal aortic aneurysm state monitoring.
Description
Technical field
The present invention relates to a kind of blood vessel wall pressure monitoring device and method thereof, especially with regard to one in medical treatment detection technique
The blood vessel wall pressure monitoring device based on ventral aorta support applied in field and method thereof.
Background technology
Along with aged tendency of population and the increase of the risk factor such as hypertension, arteriosclerosis, China's formation of abdominal aortic aneurysms
Rate is obvious ascendant trend, and over-65s old people's formation of abdominal aortic aneurysms rate is up to 8.8%.Research shows, the most often
100000 people there are 20 people suffer from abdominal aortic aneurysm to 40 people.The ventral aorta of abnormal expansion is referred to as abdominal aortic aneurysm, it
Although not being true neoplasm, but the harm to human body is the biggest, and tumor body ruptures and may result in death.Abdominal aortic aneurysm
Formation is a progressive process, this progressive during, hereditism, environmentology and biochemistry factors phase
Affect mutually, jointly act on, such as, change the metabolism of abdominal aorta wall elastic force connection tissue thus inspired ventral aorta
The formation of tumor.
Interventional therapy becomes the modus operandi that abdominal aortic aneurysm is main at present.This operation only will need to be propped up through femoral artery
Frame imports aorta and it is discharged in conduit, thus prevents aneurysm rupture.Due to the danger of abdominal aortic aneurysm,
It is detected particularly significant.At present, the inspection method of abdominal aortic aneurysm mainly includes that abdominal radiograph, colour are many
General Le is ultrasonic, CTA and MRI etc..These methods, are required for carrying out auxiliary detection by bigger equipment, and
Can only carry out in hospital., detect by these modes meanwhile, all human body can be had than more serious radiation.
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, patient can be carried out simultaneously
The blood vessel wall pressure monitoring device based on ventral aorta support of monitoring in real time and method thereof.
For achieving the above object, the present invention takes techniques below scheme: a kind of blood vessel wall pressure based on ventral aorta support
Power monitoring device, it is characterised in that: this device includes overlay film frame, integrated circuit and external processing apparatus；Described collection
Becoming circuit to be arranged on outside described overlay film frame, described integrated circuit includes energy supply module, pressure transducer, deposits
Reservoir, data processor and the first radio-frequency (RF) receiving and transmission module；Described energy supply module is used for as described integrated circuit；
The blood vessel wall pressure signal detected is transmitted to described data processor, institute by described pressure transducer through described memorizer
State data processor and blood vessel wall pressure signal is converted into digital signal, and load described integrated circuit ID, timestamp letter
Breath, is transferred to described external processing apparatus by digital signal through described overlay film frame by described first radio-frequency (RF) receiving and transmission module,
Complete DATA REASONING, signal emission function.
Further, described overlay film frame is used for carrying out energy and signal transmission as antenna, and it is by inner membrance, rack body
Constitute with adventitia, be positioned at described rack body and be internally provided with described inner membrance, be positioned at outside described rack body and be provided with
Described adventitia.
Further, described rack body includes plural bracing structure and more than one longitudinal support structure,
Each described bracing structure is bent to form ring support by a tinsel, and all described ring supports are the most successively
Arrange and be fixedly connected into one by longitudinal support structure described between ring support described in adjacent two.
Further, described ring support uses sinusoidal configuration, and described longitudinal support structure is fixedly installed on all described
Ring support side, described longitudinal support structure is made up of another tinsel.
Further, described ring support uses sawtooth waveforms structure, all described ring supports and all described longitudinal bracings
Structure uses same one metal wire to work out.
Further, resonant frequency f of described rack body:In formula, N is ring support
Quantity, n be the fluctuating quantity of waveform in ring support, l be the length of longitudinal support structure, C1、C2And C3It is
Positive coefficient.
Further, described integrated circuit uses string configuration, and strip integrated circuit is axial arranged along overlay film frame.
Further, described integrated circuit uses square structure or loop configuration, is wrapped in described collection when using square structure
The biological compatibility shell becoming circuit external uses circular configuration；When using loop configuration, annular integrated circuit place is put down
Face is parallel with the tangent plane of overlay film frame.
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, the blood that the described integrated circuit simultaneously and in described reception antenna receiving body sends
Tube wall pressure signal；Described second radio-frequency (RF) receiving and transmission module by the blood vessel wall pressure signal that receives through described processor, biography
Defeated module sends to described work station.
A kind of monitoring method based on above-mentioned monitoring device, it is characterised in that the method comprises the following steps: 1) arrange
One includes pressure transducer, data processor, the first radio-frequency (RF) receiving and transmission module and the monitoring device of external processing apparatus,
Wherein, external processing apparatus includes reception antenna, the second radio-frequency (RF) receiving and transmission module, processor, transport module and work station；
2) the blood vessel wall pressure signal that pressure transducer gathers between abdominal aortic aneurysm and overlay film frame passes through data processor processes
Rear transmission is to the first radio-frequency (RF) receiving and transmission module, after the blood vessel wall pressure signal received is modulated by the first radio-frequency (RF) receiving and transmission module
It is sent to external processing apparatus by antenna；3) the blood vessel wall pressure signal received is received by reception antenna through the second radio frequency
Send out after module is demodulated and be sent to work station after the process of treated device, completing monitoring.
Due to the fact that and take above technical scheme, it has the advantage that 1, due to the fact that and take real-time self-service inspection
The mode surveyed, patient can understand self health status whenever and wherever possible without going to hospital, convenient and swift.2, compared to
Detected the mode of tumor by other modes such as radiographies, the present invention is from radiation, and due to abdomen master in the past
Aneurysm patient suffers from renal dysfunction the most simultaneously, uses conventional diagnostic mode to be likely to result in kidney after inputting contrast agent
Exhaustion, therefore instant invention overcomes the time manpower and materials cost caused when existing radiography mode detects internal hemorrhage due to trauma high and right
The problem that patient health situation constitutes a serious threat.3, the present invention can implant blood while operative treatment implants support
Tube wall pressure detecting integrated circuit, it is to avoid the misery of patient's second operation.The present invention can be extensively in abdominal aortic aneurysm
Status monitoring is applied.
Accompanying drawing explanation
Fig. 1 is the monitoring device principle schematic of the present invention；
Fig. 2 is structural representation during data processor employing NRF51822 chip in integrated circuit of the present invention；
Fig. 3 is the external equipment principle schematic of the present invention；
Fig. 4 is the antenna structure view of the sine wave shape of the present invention.
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 present invention provides a kind of tumor body blood vessel wall pressure monitoring device based on ventral aorta support, its
Including an overlay film frame, integrated circuit and an external processing apparatus.
Overlay film frame is used for carrying out energy and signal transmission as antenna, and it is made up of inner membrance, rack body and adventitia,
It is positioned at rack body and is internally provided with inner membrance, be positioned at outside rack body and be provided with adventitia.
Integrated circuit is arranged on outside overlay film frame, can be installed on adventitia by integrated circuit, it is also possible to by integrated electricity
Road is placed between overlay film frame and tumor body independent of support.This integrated circuit includes that energy supply module, blood pressure sense
Device, memorizer, data processor and the first radio-frequency (RF) receiving and transmission module.Energy supply module is received by the first radio frequency through antenna
Send out module reception and be radiated to internal electromagnetic wave by external processing apparatus, for collection by the way of radio frequency energy is collected
Miscellaneous part on circuit is become to power.The stored device of blood vessel wall pressure signal detected is transmitted to data by pressure transducer
Processor, the analogue signal that pressure transducer is obtained by data processor is converted into digital signal, and loads integrated electricity
The information such as road ID, timestamp, by the first radio-frequency (RF) receiving and transmission module by digital signal through antenna transmission to external processing apparatus,
Complete DATA REASONING, signal emission function.Wherein, energy supply module can also use minicell as an alternative,
Directly to power for each parts on integrated circuit.
In a preferred embodiment, as in figure 2 it is shown, data processor can use and be produced by NORDIC company
NRF51822 chip.This chip ADC switched pins J6 connects pressure transducer, and VDD power pins J1 connects energy
Supply module, XC1, XC2 pin J37-J38 connects clock circuit, VDD_PA, ANT1, ANT2 pin J30-J32
Connect the first radio-frequency (RF) receiving and transmission module.P0.01 pin J5 connects power sense circuit, and DEC1 pin J39 is through the 3rd electric capacity
C3 ground connection；Ground connection after VSS pin J33, J34 parallel connection, connects energy supply mould after VSS pin J33, J34 parallel connection
Block, the 4th electric capacity C4 in parallel between AVDD pin with VSS pin.DEC2 pin J29 is through the tenth electric capacity C10
Ground connection after being connected with EXP_GND pin J49；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
Two ends are parallel with between electric capacity C13, and the first resistance R1 other end and the second resistance R2 and are connected to by wire
The P0.01 pin J5 of NRF51822 chip.
In above-described embodiment, as it is shown on figure 3, external processing apparatus includes launching antenna, reception antenna, the second radio frequency
Transceiver module, processor, transport module and work station.By the collection in the second radio-frequency (RF) receiving and transmission module emitted sky alignment body
Become circuit transmission electromagnetic transmission energy, the blood vessel wall pressure that the integrated circuit being simultaneously received in antenna receiving body sends
Signal；The treated device of blood vessel wall pressure signal received, transport module are sent to work by the second radio-frequency (RF) receiving and transmission module
Stand, 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 is according to setting
Measure the blood vessel wall force value obtained in time and judge aortic aneurysm thrombosis situation, if blood vessel wall within the setting time
Force value exceeds preset range, then be judged as that abdominal aortic aneurysm is still continuing hypertrophy；If within the setting time, blood vessel wall
Within force value is in preset range, then it is judged as the normal thrombosis of abdominal aortic aneurysm, the most gradually in atrophy.
In a preferred embodiment, as shown in Figure 4, rack body includes plural bracing structure 1
With more than one longitudinal support structure 2, each bracing structure 1 is bent to form ring support by a tinsel,
All ring supports longitudinally set gradually and connect by a longitudinal support structure 2 is fixing between adjacent two ring supports
Integral.
In above-described embodiment, ring support can use sinusoidal configuration or sawtooth waveforms structure.When ring support is just using
During string wave structure, longitudinal support structure 2 is fixedly installed on all ring support sides, now this longitudinal support structure 2
It is made up of another tinsel；When ring support uses sawtooth waveforms structure, all ring supports and all longitudinal bracings knot
Structure 2 uses same one metal wire to work out.
In above-described embodiment, all bracing structures 1 and longitudinal support structure 2 all can use Nitinol, doctor
It is made with materials such as rustless steels.
In above-described embodiment, resonant frequency f of rack body:
In formula, N be the quantity of ring support, n be the fluctuating quantity of waveform in ring support, l be longitudinal support structure 2
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 can not the size of adjusting pole main body, so by adjusting rising of waveform in quantity N of ring support, ring support
Length l of voltage amount n and longitudinal support structure 2 carrys out adjusting pole main body as resonant frequency during antenna.
In a preferred embodiment, integrated circuit external is enclosed with biological compatibility shell, biological compatibility
Shell is avoided that the rejection producing human body.Preferably, biological compatibility shell has certain pliability, can be curved
Bent.The material of biological compatibility shell preferably employs polydimethylsiloxane (PDMS).During making, can be by integrated electricity
Road is put in a mold, is filled with encapsulation with polydimethylsiloxane, prepares the integrated of band biological compatibility shell
Circuit.
Integrated circuit is by flexible PCB and is formed on this flexible PCB each modular circuit chip system being made up of wafer
Become, to adapt to volumetric constraint, and can be curved with the change of overlay film frame shape, but its length is propped up less than overlay film
Frame length, its sectional area is less than 2mm × 1mm.
Integrated circuit uses string configuration, and strip integrated circuit is axial arranged along overlay film frame.
Integrated circuit uses square structure, is wrapped in its outside biological compatibility shell and uses circular configuration.
Integrated circuit uses loop configuration, and annular integrated circuit place plane is parallel with the tangent plane of overlay film frame.
Based on said apparatus, the present invention also provides for a kind of tumor body blood vessel wall pressure monitoring method based on ventral aorta support.
The blood vessel wall pressure monitoring based on endovascular stent for abdominal aorta using the present invention is described in detail below by specific embodiment
The detailed process that the blood vessel wall pressure of abdominal aortic aneurysms is monitored by device:
1, the blood vessel wall pressure signal that pressure transducer gathers between abdominal aortic aneurysm and overlay film frame passes through data processor
Transmitting after process to the first radio-frequency (RF) receiving and transmission module, the blood vessel wall pressure signal received is adjusted by the first radio-frequency (RF) receiving and transmission module
After system by antenna be sent to external processing apparatus (.
2, reception antenna is by the blood vessel wall pressure signal that receives after radio-frequency (RF) receiving and transmission module is demodulated and at treated device
Work station it is sent to after reason.
In a particular embodiment, use the present invention's to detect abdominal aortic aneurysm thrombosis situation based on blood vessel wall pressure measxurement
Device process that abdomen actively overlay film frame duty is detected:
Blood vessel wall pressure between abdominal aortic aneurysm and overlay film frame that the signal processing system being arranged in work station will receive
Force value and predetermined threshold value compare and judge aortic aneurysm thrombosis situation, if blood vessel wall force value within the setting time
Beyond preset range, then it is judged as that abdominal aortic aneurysm is still continuing hypertrophy；If within the setting time, blood vessel wall force value
Within being in preset range, then it is judged as the normal thrombosis of abdominal aortic aneurysm, the most gradually in atrophy.Furthermore it is possible to
The thrombosis situation of aortic aneurysm is carried out further by the blood vessel wall force value according to the aortic aneurysm obtained as reference value
Judge.
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 blood vessel wall pressure monitoring device based on ventral aorta support, it is characterised in that: this device includes overlay film
Support, integrated circuit and external processing apparatus；Described integrated circuit is arranged on outside described overlay film frame, described integrated
Circuit includes energy supply module, pressure transducer, memorizer, data processor and the first radio-frequency (RF) receiving and transmission module；Institute
State energy supply module for for described integrated circuit；The blood vessel wall pressure letter that described pressure transducer will detect
Number through the transmission of described memorizer to described data processor, blood vessel wall pressure signal is converted into number by described data processor
Word signal, and load described integrated circuit ID, timestamp information, by described first radio-frequency (RF) receiving and transmission module, numeral is believed
Number it is transferred to described external processing apparatus through described overlay film frame, completes DATA REASONING, signal emission function.
2. blood vessel wall pressure monitoring device based on ventral aorta support as claimed in claim 1, it is characterised in that:
Described overlay film frame is used for carrying out energy and signal transmission as antenna, and it is made up of inner membrance, rack body and adventitia,
It is positioned at described rack body and is internally provided with described inner membrance, be positioned at outside described rack body and be provided with described adventitia.
3. blood vessel wall pressure monitoring device based on ventral aorta support as claimed in claim 2, it is characterised in that:
Described rack body includes plural bracing structure and more than one longitudinal support structure, each described horizontal stroke
Being bent to form ring support to supporting construction by a tinsel, all described ring supports longitudinally set gradually and phase
It is fixedly connected into one by longitudinal support structure described between ring support described in adjacent two.
4. blood vessel wall pressure monitoring device based on ventral aorta support as claimed in claim 3, it is characterised in that:
Described ring support uses sinusoidal configuration, and described longitudinal support structure is fixedly installed on all described ring support sides,
Described longitudinal support structure is made up of another tinsel.
5. blood vessel wall pressure monitoring device based on ventral aorta support as claimed in claim 3, it is characterised in that:
It is same that described ring support uses sawtooth waveforms structure, all described ring supports and all described longitudinal support structure to use
One metal wire is worked out.
6. blood vessel wall pressure monitoring device based on ventral aorta support as claimed in claim 2 or claim 3, its feature exists
In: resonant frequency f of described rack body:
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.
7. blood vessel wall pressure monitoring device based on ventral aorta support as claimed in claim 1, it is characterised in that:
Described integrated circuit uses string configuration, and strip integrated circuit is axial arranged along overlay film frame.
8. blood vessel wall pressure monitoring device based on ventral aorta support as claimed in claim 1, it is characterised in that:
Described integrated circuit uses square structure or loop configuration, is wrapped in described integrated circuit external when using square structure
Biological compatibility shell uses circular configuration；Annular integrated circuit place plane and overlay film frame when using loop configuration
Tangent plane parallel.
9. blood vessel wall pressure monitoring device based on ventral aorta support as claimed in claim 1, it is characterised in that:
Described external processing apparatus includes launching antenna, reception antenna, the second radio-frequency (RF) receiving and transmission module, processor, transport module
And work station；Electromagnetism is launched by described second radio-frequency (RF) receiving and transmission module described integrated circuit in described transmitting sky alignment body
Ripple transmission energy, the blood vessel wall pressure signal that the described integrated circuit simultaneously and in described reception antenna receiving body sends；
The blood vessel wall pressure signal received is sent to institute by described second radio-frequency (RF) receiving and transmission module through described processor, transport module
State work station.
10. one kind based on the monitoring method of monitoring device as described in any one of claim 1 to 9, it is characterised in that
The method comprises the following steps:
1) arrange one and include pressure transducer, data processor, the first radio-frequency (RF) receiving and transmission module and external processing apparatus
Monitoring device, wherein, external processing apparatus includes reception antenna, the second radio-frequency (RF) receiving and transmission module, processor, transmission mould
Block and work station；
2) the blood vessel wall pressure signal that pressure transducer gathers between abdominal aortic aneurysm and overlay film frame passes through data processor
Transmitting after process to the first radio-frequency (RF) receiving and transmission module, the blood vessel wall pressure signal received is adjusted by the first radio-frequency (RF) receiving and transmission module
It is sent to external processing apparatus by antenna after system；
3) reception antenna by the blood vessel wall pressure signal that receives after the second radio-frequency (RF) receiving and transmission module is demodulated and treated
Device is sent to work station after processing, and completes monitoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610394598.6A CN105942998A (en) | 2016-06-06 | 2016-06-06 | Blood vessel wall pressure monitoring device and method based on abdominal aortic stent |
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| CN201610394598.6A CN105942998A (en) | 2016-06-06 | 2016-06-06 | Blood vessel wall pressure monitoring device and method based on abdominal aortic stent |
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| CN201610394598.6A Pending CN105942998A (en) | 2016-06-06 | 2016-06-06 | Blood vessel wall pressure monitoring device and method based on abdominal aortic stent |
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| CN110099605A (en) * | 2016-12-27 | 2019-08-06 | 欧姆龙健康医疗事业株式会社 | The principle of abdominal aortic aneurysm (AAA) is detected according to the pulse waveform of upper and lower extremities |
| CN108433712A (en) * | 2018-04-04 | 2018-08-24 | 南通市心湖医疗科技有限公司 | Pressure monitoring method based on overlay film frame outer surface and device |
| CN111228004A (en) * | 2020-01-13 | 2020-06-05 | 清华大学 | Internal leakage monitoring device and method based on intelligent abdominal aorta vascular stent |
| CN111228004B (en) * | 2020-01-13 | 2021-07-30 | 清华大学 | Internal leakage monitoring device and method based on intelligent abdominal aorta vascular stent |
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