CN105868577A - Blood flow velocity monitoring device and method based on carotid artery stent - Google Patents
Blood flow velocity monitoring device and method based on carotid artery stent Download PDFInfo
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- CN105868577A CN105868577A CN201610392989.4A CN201610392989A CN105868577A CN 105868577 A CN105868577 A CN 105868577A CN 201610392989 A CN201610392989 A CN 201610392989A CN 105868577 A CN105868577 A CN 105868577A
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
- G16H50/30—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for calculating health indices; for individual health risk assessment
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Abstract
The invention relates to a blood flow velocity monitoring device and method based on a carotid artery stent. The monitoring device is characterized by comprising the carotid artery stent, two integrated circuits and external processing equipment; the carotid artery stent is used as an antenna, and the two integrated circuits are fixedly arranged at an inlet and an outlet of a blood vessel of the carotid artery stent respectively; each integrated circuit comprises an energy supplying module, a flow velocity sensor, a memorizer, a data processor and a first radio frequency receiving and transmitting module, and each energy supplying module is used for supplying power to the corresponding integrated circuit; each flow velocity sensor transmits a detected blood flow velocity signal to the corresponding data processor through the corresponding memorizer, each data processor converts the corresponding blood flow velocity signal into a digital signal, and each digital signal is transmitted to the external processing equipment by the corresponding first radio frequency receiving and transmitting module through the carotid artery stent.
Description
Technical field
The present invention is about a kind of velocity of blood flow monitoring device based on carotid stents and method thereof, relates to medical monitoring
Technical field.
Background technology
Angiopathy is situation occurred frequently in recent years, and blood vessel embolism is one of which important diseases, and Etiological is to move at neck
Some lipid materials of arteries and veins inner membrance are piled up and are formed white speckle, cause carotid artery chamber narrow, make blood flow be obstructed, cause cervical region
Ischemia.Carotid atherosclerotic plaque is the performance of carotid arterial atherosclerosis, is apt to occur in common carotid artery crotch, it is now recognized that with always
The year generation of people's cerebral infarction is closely related.Its mechanism causing cerebral infarction may be: speckle increases cause
Carotid artery caliber is narrow causes intracranial Low perfusion and speckle to come off formation embolus, causes entocranial artery thromboembolism.
Clinically, by the morphology of carotid stenosis and speckle is measured, carotid atherosclerotic plaque is commented
Valency, it is judged that its hazardness.Carotid stents is the important means for the treatment of carotid artery embolism, and carotid stents gets involved operation
After completing, need to carry out periodic review.At present, carotid stents is usually independent intervention, it no longer adds any
Miscellaneous part.
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, carotid artery can be propped up simultaneously
Velocity of blood flow monitoring device based on carotid stents that frame blood vessel flow velocity is monitored in real time and method thereof.
For achieving the above object, the present invention takes techniques below scheme: a kind of velocity of blood flow based on carotid stents is supervised
Survey device, it is characterised in that this monitoring device includes a carotid stents, two integrated circuits and an external processing apparatus；
Described carotid stents uses as antenna, and integrated circuit described in two is respectively fixedly disposed at the blood of described carotid stents
At the entrance and exit of pipe；Each described integrated circuit all includes an energy supply module, one flow sensor, 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 velocity of blood flow signal detected is transmitted to described data by described flow sensor through described memorizer
Reason device, velocity of blood flow signal is converted into digital signal by described data processor, and by described first radio-frequency receiving-transmitting mould
Digital signal is transferred to described external processing apparatus through described carotid stents by block.
Further, described external processing apparatus include a transmitting antenna, a reception antenna, one second radio-frequency (RF) receiving and transmission module,
One processor, a transport module and a work station, by described second radio-frequency (RF) receiving and transmission module in described transmitting sky alignment body
Described integrated circuit launch electromagnetic transmission energy, the described integrated electricity simultaneously and in described reception antenna receiving body
Road is sent to external velocity of blood flow signal, described second radio-frequency (RF) receiving and transmission module by the velocity of blood flow signal that receives through described
Processor and transport module send to described work station.
Further, described carotid stents 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 neck 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 carotid stents 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 props up along described carotid artery
Frame is axial arranged.
Further, each described integrated circuit all uses segmentation structure, and stagewise integrated circuit is along carotid stents axle
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 neck
The tangent plane of pulsation frame is parallel.
A kind of monitoring method based on described velocity of blood flow monitoring device, it is characterised in that include herein below: 1) set
Put one and include flow sensor, data processor, the first radio-frequency (RF) receiving and transmission module and the velocity of blood flow of 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) two flow sensors gather the velocity of blood flow signal at carotid stents blood vessel two ends respectively, and point
Transmitting to the first radio-frequency (RF) receiving and transmission module after not processed by corresponding data processor, two first radio-frequency (RF) receiving and transmission module are to reception
Velocity of blood flow signal be modulated respectively after be sent to external processing apparatus by antenna；3) reception antenna will receive
The velocity of blood flow signal at carotid stents blood vessel two ends after the second radio-frequency (RF) receiving and transmission module is demodulated and at treated device
Work station it is sent to after reason.
Due to the fact that and take above technical scheme, it has the advantage that 1, the present invention includes a carotid stents,
Two integrated circuits and an external processing apparatus, two integrated circuits be respectively fixedly disposed at carotid stents blood vessel entrance and
Carotid stents velocity of blood flow is monitored by exit in real time, it is possible to obtain velocity of blood flow situation in carotid stents,
Effectively the duty of carotid stents can be supervised by the velocity of blood flow difference at carotid stents blood vessel two ends
Survey.2, due to the fact that the mode taking to detect in real time, patient can understand own health shape without going to hospital to do radiography
Condition, reduces cost and risk, decreases the misery of patient, makes the feedback that doctor obtains more quickly effectively.3, originally
Invention can implant integrated circuit while operative treatment implants support, it is to avoid the misery of patient's second operation.This
In the bright status monitoring that can be widely applied to carotid disease.
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 carotid stents 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 velocity of blood flow monitoring device based on carotid stents of the present invention, including a carotid stents,
Two integrated circuits and an external processing apparatus；Carotid stents 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 carotid stents blood vessel, each integrated circuit all includes an energy
Supply module, one flow sensor, 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 carotid stents 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.Flow velocity passes
Velocity of blood flow is believed by sensor by the velocity of blood flow signal stored device transmission detected to data processor, data processor
Number it is converted into digital signal, and loads the information such as integrated circuit ID, timestamp, by the first radio-frequency (RF) receiving and transmission module by number
Word signal to external processing apparatus, completes DATA REASONING, signal emission function through the antenna transmission as carotid stents.
Wherein, energy supply module can also use minicell, in order to directly powers for each parts on integrated circuit.
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 flow sensors, 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 sent to body
Outer velocity of blood flow signal；The treated device of velocity of blood flow signal received, transport module are sent by radio-frequency (RF) receiving and transmission module
To 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 is according to setting
Measure the velocity of blood flow difference obtained in time and judge whether the blood vessel being provided with carotid stents occurs restenosis, if
Within the setting time, velocity of blood flow difference exceeds preset range, then it is assumed that the blood vessel being provided with carotid stents occurs the narrowest
Narrow, if within the setting time, velocity of blood flow difference is in preset range, then it is assumed that be provided with carotid stents
There is not restenosis in blood vessel.
In a preferred embodiment, as shown in Figure 4, carotid stents 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.Carotid stents 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 carotid stents is as antenna, its radiance is more preferable,
Frequency band is wider.
Carotid stents 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 carotid stents, 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 outside carotid stents 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 carotid stents 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 carotid stents compatible
Property medicine film.Owing to the welding of gim peg and carotid stents may destroy the biological compatibility outside carotid stents
Shell, covers one layer of medicine film at gim peg and carotid stents 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 carotid stents shape
It is curved, but its length is less than carotid stents length, and in order to not block blood vessel, its sectional area is less than
1mm×1mm。
In a preferred embodiment, two integrated circuits can be arranged on a string configuration, the integrated electricity of strip
The axial arranged carotid artery of curb carotid stents；Each integrated circuit all can use segmentation structure, and stagewise is integrated
Circuit is axial arranged along carotid stents, and integrated circuit external is enclosed with biological compatibility shell；Each integrated circuit
All can use square structure, be wrapped in its outside biological compatibility shell and use circular configuration；Each integrated electricity
Road all can use loop configuration, and annular integrated circuit place plane is parallel with the tangent plane of carotid stents.
The velocity of blood flow monitoring device based on carotid stents using the present invention is described in detail below by specific embodiment
The detailed process that the velocity of blood flow of patient is monitored:
1, two flow sensors gather the velocity of blood flow signal at carotid stents blood 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, first radio-frequency (RF) receiving and transmission module velocity of blood flow to receiving
Signal is sent to external processing apparatus by the carotid stents as antenna after being modulated respectively.
2, reception antenna by the velocity of blood flow signal at carotid stents blood vessel two ends that receives through the second radio-frequency (RF) receiving and transmission module
It is sent to work station after being demodulated and after the process of treated device.
In a particular embodiment, use the velocity of blood flow monitoring device based on carotid stents of the present invention that carotid artery is propped up
Frame duty carries out the process detected:
The signal processing system being arranged in work station by receive carotid stents blood vessel two ends velocity of blood flow difference with
Preset value compares, if being in default model in the velocity of blood flow difference setting time arteria carotis interna stented vessel two ends
In enclosing, determine that carotid stents duty is good, it is believed that the blood vessel being provided with carotid stents does not occur restenosis
Phenomenon；If exceeding preset range in the velocity of blood flow difference setting time arteria carotis interna stented vessel two ends, determine neck
Arterial bracket duty occurs abnormal, it is believed that be provided with the blood vessel generation restenosis phenomenon of carotid stents, it addition,
Can further appreciate that carotid artery props up according to the velocity of blood flow difference at the carotid stents blood vessel two ends obtained as reference value
The working condition of frame.
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 velocity of blood flow monitoring device based on carotid stents, it is characterised in that this monitoring device includes a neck
Arterial bracket, two integrated circuits and an external processing apparatus；
Described carotid stents uses as antenna, and integrated circuit described in two is respectively fixedly disposed at described carotid stents
Blood vessel entrance and exit at；Each described integrated circuit all include an energy supply module, one flow sensor,
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 velocity of blood flow signal detected is transmitted to described number by described flow sensor through described memorizer
According to processor, velocity of blood flow signal is converted into digital signal by described data processor, and is received by described first radio frequency
Send out module and digital signal is transferred to described external processing apparatus through described carotid stents.
2. velocity of blood flow monitoring device based on carotid stents as claimed in claim 1, it is characterised in that described
External processing apparatus includes a transmitting antenna, a reception antenna, one second radio-frequency (RF) receiving and transmission module, a processor, a biography
Defeated module and a work station, by described second radio-frequency (RF) receiving and transmission module described integrated circuit in described transmitting sky alignment body
Launching electromagnetic transmission energy, the described integrated circuit simultaneously and in described reception antenna receiving body is sent to external blood
Flow velocity signal, the velocity of blood flow signal received through described processor and is transmitted mould by described second radio-frequency (RF) receiving and transmission module
Block sends to described work station.
3. velocity of blood flow monitoring device based on carotid stents as claimed in claim 1, it is characterised in that described
Carotid stents includes plural bracing structure and some longitudinal support structure, and each described cross-brace is tied
Structure is bent to form ring support by a tinsel, by some institutes being crisscross arranged between ring support described in adjacent two
Stating the fixing connection of longitudinal support structure, form network structure after making support strut, described carotid stents is by isometric two
Joint is configured to, and the one end often saving described support is all connected with ic output described in, often saves described support
The other end is respectively arranged with insulant.
4. velocity of blood flow monitoring device based on carotid stents as claimed in claim 3, it is characterised in that described
Ring support uses sinusoidal configuration or sawtooth waveforms structure.
5. the velocity of blood flow monitoring device based on carotid stents as described in claim 3 or 4, it is characterised in that
Described carotid stents 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.
Velocity of blood flow monitoring device based on carotid stents the most as claimed in claim 1 or 2 or 3 or 4, it is special
Levying and be, integrated circuit described in two is arranged on a string configuration, and strip integrated circuit is along described carotid stents axle
To layout.
Velocity of blood flow monitoring device based on carotid stents the most as claimed in claim 1 or 2 or 3 or 4, it is special
Levying and be, each described integrated circuit all uses segmentation structure, and stagewise integrated circuit is along the axial cloth of carotid stents
Put.
Velocity of blood flow monitoring device based on carotid stents the most as claimed in claim 1 or 2 or 3 or 4, it is special
Levying and be, each described integrated circuit all uses square structure, is wrapped in its outside biological compatibility shell and uses
Circular configuration.
Velocity of blood flow monitoring device based on carotid stents the most as claimed in claim 1 or 2 or 3 or 4, it is special
Levying and be, each described integrated circuit all uses loop configuration, annular integrated circuit place plane to prop up with described carotid artery
The tangent plane of frame is parallel.
10. based on a monitoring method for velocity of blood flow monitoring device, its feature as described in any one of claim 1～9
It is, including herein below:
1) arrange one and include flow sensor, data processor, the first radio-frequency (RF) receiving and transmission module and external processing apparatus
Velocity of blood flow 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 flow sensors gather the velocity of blood flow signal at carotid stents blood 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 stream to receiving
Speed signal is sent to external processing apparatus by antenna after being modulated respectively；
3) reception antenna by the velocity of blood flow signal at carotid stents blood vessel two ends that receives through the second radio-frequency (RF) receiving and transmission module
It is sent to work station after being demodulated and after the process of treated device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610392989.4A CN105868577A (en) | 2016-06-06 | 2016-06-06 | Blood flow velocity monitoring device and method based on carotid artery stent |
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| CN201610392989.4A CN105868577A (en) | 2016-06-06 | 2016-06-06 | Blood flow velocity monitoring device and method based on carotid artery stent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464311A (en) * | 2019-09-02 | 2019-11-19 | 西安交通大学医学院第一附属医院 | A kind of velocity of blood flow monitoring device and its method based on carotid stents |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999034724A3 (en) * | 1998-01-12 | 1999-09-16 | Florence Medical Ltd | Characterizing blood vessel using multi-point pressure measurements |
| WO2000010623A1 (en) * | 1998-08-25 | 2000-03-02 | Tricardia, L.L.C. | An implantable device for promoting repair of a body lumen |
| US6161029A (en) * | 1999-03-08 | 2000-12-12 | Medtronic, Inc. | Apparatus and method for fixing electrodes in a blood vessel |
| CN101394807A (en) * | 2005-12-12 | 2009-03-25 | 弗吉尼亚州立大学 | Self-sensing stents, smart material-based stents, drug delivery systems, other medical devices, and medical applications of piezoelectric materials |
| CN101766477A (en) * | 2010-01-14 | 2010-07-07 | 复旦大学 | Instrument for detecting physical condition of blood vessel of brain |
| CN102370476A (en) * | 2011-09-28 | 2012-03-14 | 上海交通大学 | Cardiovascular blood flow velocity sensor |
| CN104382676A (en) * | 2014-11-21 | 2015-03-04 | 清华大学深圳研究生院 | In-vivo wireless communication device based on vascular stent and wireless communication system |
| CN204446193U (en) * | 2015-01-27 | 2015-07-08 | 王建军 | A kind of angiocarpy bracket with flow sensor |
| CN105283152A (en) * | 2013-03-15 | 2016-01-27 | 威廉·L·亨特 | Bracket monitoring component and method of use thereof |
-
2016
- 2016-06-06 CN CN201610392989.4A patent/CN105868577A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999034724A3 (en) * | 1998-01-12 | 1999-09-16 | Florence Medical Ltd | Characterizing blood vessel using multi-point pressure measurements |
| WO2000010623A1 (en) * | 1998-08-25 | 2000-03-02 | Tricardia, L.L.C. | An implantable device for promoting repair of a body lumen |
| US6161029A (en) * | 1999-03-08 | 2000-12-12 | Medtronic, Inc. | Apparatus and method for fixing electrodes in a blood vessel |
| CN101394807A (en) * | 2005-12-12 | 2009-03-25 | 弗吉尼亚州立大学 | Self-sensing stents, smart material-based stents, drug delivery systems, other medical devices, and medical applications of piezoelectric materials |
| CN101766477A (en) * | 2010-01-14 | 2010-07-07 | 复旦大学 | Instrument for detecting physical condition of blood vessel of brain |
| CN102370476A (en) * | 2011-09-28 | 2012-03-14 | 上海交通大学 | Cardiovascular blood flow velocity sensor |
| CN105283152A (en) * | 2013-03-15 | 2016-01-27 | 威廉·L·亨特 | Bracket monitoring component and method of use thereof |
| CN104382676A (en) * | 2014-11-21 | 2015-03-04 | 清华大学深圳研究生院 | In-vivo wireless communication device based on vascular stent and wireless communication system |
| CN204446193U (en) * | 2015-01-27 | 2015-07-08 | 王建军 | A kind of angiocarpy bracket with flow sensor |
Non-Patent Citations (3)
| Title |
|---|
| CAN LI, PEISEN ZHAO, JUN DU, CHUNXIAO JIANG, YONG REN: "《Wireless link analysis of cardiovascular stent as antenna for biotelemetry》", 《2015 IEEE GLOBAL CONFERENCE ON SIGNAL AND INFORMATION PROCESSING (GLOBALSIP)》 * |
| ERIC Y. CHOW等: "《Fully Wireless Implantable Cardiovascular Pressure Monitor Integrated with a Medical Stent》", 《IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING》 * |
| 张玉兴等: "《射频模拟电路与系统》", 30 September 2008, 电子科技大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464311A (en) * | 2019-09-02 | 2019-11-19 | 西安交通大学医学院第一附属医院 | A kind of velocity of blood flow monitoring device and its method based on carotid stents |
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