CN110522956A - RF FEEDBACK intelligent syringe - Google Patents
RF FEEDBACK intelligent syringe Download PDFInfo
- Publication number
- CN110522956A CN110522956A CN201910832467.5A CN201910832467A CN110522956A CN 110522956 A CN110522956 A CN 110522956A CN 201910832467 A CN201910832467 A CN 201910832467A CN 110522956 A CN110522956 A CN 110522956A
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- China
- Prior art keywords
- electrode
- syringe needle
- electrically connected
- master control
- syringe
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Classifications
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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
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
- A61B5/0538—Measuring electrical impedance or conductance of a portion of the body invasively, e.g. using a catheter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4887—Locating particular structures in or on the body
-
- A61M1/0023—
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/73—Suction drainage systems comprising sensors or indicators for physical values
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3286—Needle tip design, e.g. for improved penetration
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3287—Accessories for bringing the needle into the body; Automatic needle insertion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2230/00—Measuring parameters of the user
- A61M2230/65—Impedance, e.g. conductivity, capacity
Abstract
The present invention provides a kind of RF FEEDBACK intelligent syringe, including syringe needle, is electrically connected in syringe needle with master control set, master control set is electrically connected with display and alarm set；The master control set is equipped with radio circuit and coupling circuit, to detect syringe needle surrounding tissue and judge position of the syringe needle in tissue.It by using above structure, can measure to obtain the impedance of the tissues such as skin, muscle, hydrops and blood and organ, provide foundation for intelligence injection and extraction setting.The present invention is by the way of the detection of radio frequency micro-current, according to the impedance variations of the tissues such as fat, muscle, body fluid, blood, spinal fluid, accurate detection, flexible setting, syringe needle is easy to be accurately detected the tissue of injection site or extraction, reconstruction image is restored by special algorithm simultaneously or provides prompt, keeps injection or extraction process more acurrate.Medical-risk is reduced, medical treatment efficiency is greatly improved.
Description
Technical field
The present invention relates to medical instruments field, especially a kind of RF FEEDBACK intelligent syringe.
Background technique
The position of artificial judgment injection and suction is relied in existing syringe use process, this is by medical staff
Long-term training, and even skilled medical staff also it is difficult to ensure that, so that syringe needle is located at scheduled position every time.First
It is in the operation for involving a need to suction, such as during arterial blood, tumour ponding, celiolymph, adipose tissue etc., some are also
Need the help of other ancillary equipments that could complete work, such as bedside CT machine etc..Secondly there are many doctors to people every year
When body injection fillers object, has because of rapid necrosis of surrounding tissue etc. after embolism caused by filler injected into blood vessel, cause weight
Big malpractice and avoided without forensic science, sometimes target administration can not cause therapeutic effect to give a discount precisely in place, reaction type
Injector technology can make up such defect, provide intelligent eyes for global doctor's injection and extraction, be the disease of patient
Stove treatment provides accurately tool.Chinese patent literature CN205163829U describes a kind of the full-automatic of automatically scanning blood vessel
Injection device scans the 3-D image of blood vessel in human body by the vascular scan instrument of setting, but in the document not in detail
The thin structure and specific workflow for recording vascular scan instrument.Chinese patent literature CN101564294A describes a kind of structure letter
The impedance tomograph imaging method of breath fusion gives one kind based on electrode detection organism interior tissue electric resistivity to obtain
The technical solution of tissue imaging out, but the structure of the program and application are complex, limit clinical use value.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of RF FEEDBACK intelligent syringe and methods, can be quickly
Detection positioning skin, muscle, body fluid and blood impedance, judge the position that needle point is located in tissue, and can be according to the change of impedance
Change and carries out intelligent injection or suction.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: a kind of RF FEEDBACK intelligent syringe, packet
Syringe needle is included, is electrically connected in syringe needle with master control set, master control set is electrically connected with display and alarm set；
The master control set is equipped with radio circuit and coupling circuit, to detect syringe needle surrounding tissue and judge syringe needle in people
Position in body tissue.
In preferred scheme, syringe needle is insulating materials or syringe needle is the metal material for being coated with inner insulating layer, is set on syringe needle
There is electrode, electrode is arranged along needle length direction.
In preferred scheme, the outer surface of syringe needle is coated with conductive layer for as electrode.
In preferred scheme, there is external insulation layer in electrode external sheath, one end of electrode is only close to the position of the needle point of syringe needle
Set it is exposed outside.
In preferred scheme, the other end of electrode extends to the outer wall of needle stand, and master control set and needle stand are socketed, and fills in master control
The inner wall set, which is equipped with, introduces electrode, introduces electrode and is electrically connected with electrode.
In preferred scheme, multiple grounding electrodes are additionally provided with, grounding electrode is electrically connected with master control set.
In preferred scheme, the grounding electrode includes the combination of one or more of structure: can with needle stand socket
First grounding electrode of rotation；
Multiple second grounding electrodes being fixedly mounted on flexible fixing strap, flexible fixing strap is equipped with viscose glue or end interconnects
Thread gluing, in order to fix the second grounding electrode；
In syringe metal-coated membrane as grounding electrode, master control set is electrically connected with metal film as ground connection.
In preferred scheme, the master control set structure are as follows: crystal oscillator is electrically connected with phase-locked loop frequency synthesizer,
Phase-locked loop frequency synthesizer is also electrically connected with digital signal processor, to generate the adjustable radiofrequency signal of frequency；
The output of phase-locked loop frequency synthesizer is electrically connected with micro-strip radio-frequency power coupler, micro-strip radio-frequency power coupler and conduct
The syringe needle of radio-frequency probe or the electrode electrical connection on syringe needle；
For micro-strip radio-frequency power coupler equipped with preceding to coupling circuit and reverse coupling circuit, forward direction coupling circuit pass through forward power
Detection circuit and A/D conversion circuit are electrically connected with digital signal processor, and reverse coupling circuit passes through backward power detection circuit
It is electrically connected with A/D conversion circuit with digital signal processor, digital signal processor is electrically connected with display and alarm set.
In preferred scheme, the phase-locked loop frequency synthesizer model ADF4351；
The converter model AD7476 of the A/D conversion circuit；
The forward power detection circuit and backward power detection circuit uses binary channels radiofrequency power detector AD8364；
The digital signal processor, which uses, is based on embeded processor stm32f103c8t6；
The micro-strip radio-frequency power coupler uses snakelike equidistant cable architecture；
The display and alarm set includes display screen, LED light or buzzer.
In preferred scheme, the operating frequency range of the radio circuit is 50KHz ~ 500MHz.
The present invention provides a kind of RF FEEDBACK intelligent syringes, by using above structure, can measure to obtain skin
The impedance of the tissues such as skin, muscle, hydrops and blood and organ provides foundation for intelligence injection and extraction setting.The present invention
By the way of the detection of radio frequency micro-current, according to the impedance variations of the tissues such as fat, muscle, body fluid, blood, spinal fluid, accurately
Detection, flexible setting, syringe needle is easy to be accurately detected the tissue of injection site or extraction, while passing through special algorithm also original weight
It builds image or provides prompt, keep injection or extraction process more acurrate.For example, avoiding dislocation, embolism etc. from hurting in injection process
Evil, it is accurate to be administered；Or accurately monitored in fat extraction process, avoid injury caused by taking out mistake；Or carry out
When tumour hydrops, celiolymph extract, by accurate scanning prediction, reduction medical-risk is accurately positioned, greatly improves doctor and controls
Curative effect rate.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of syringe needle in the present invention.
Fig. 3 is the cross-sectional view of syringe needle in the present invention.
Fig. 4 is another preferred structural schematic diagram in the present invention.
Fig. 5 is another preferred structural schematic diagram in the present invention.
Fig. 6 is the structural schematic diagram that master control set is connect with needle stand in the present invention.
Fig. 7 is the schematic diagram when present invention uses.
Fig. 8 is the structural schematic diagram of crystal oscillator and phase-locked loop frequency synthesizer partial circuit in the present invention.
Fig. 9 is the structural schematic diagram of coupling and power-sensing circuit in the present invention.
Figure 10 is the structural schematic diagram of digital signal processor circuit in the present invention.
Figure 11 is the circuit connection block diagram in the present invention.
Figure 12 is the equivalent circuit diagram of human body impedance.
In figure: needle stand 1, master control set 2, syringe needle 3, inner insulating layer 31, syringe 4, electrode 5, arteries 6, the first ground connection
Electrode 7, the second grounding electrode 8, flexible fixing strap 9, skin 10 introduce electrode 11.
Specific embodiment
In Fig. 1 ~ 11, a kind of RF FEEDBACK intelligent syringe, including syringe needle 3, it is electrically connected in syringe needle 3 with master control set 2,
Master control set 2 is electrically connected with display and alarm set；
The master control set 2 is equipped with radio circuit and coupling circuit, to detect 3 surrounding tissue of syringe needle and judge syringe needle 3
Position in tissue.Thus structure obtains the tissues such as skin, muscle, hydrops and blood and organ by measuring
Intelligentized scanning tissue is realized in impedance, judges whether syringe needle 3 is located in target area, with guiding treatment, improves effect
Rate.
Preferred scheme such as Fig. 2, in 3, syringe needle 3 is insulating materials or syringe needle 3 is the metal material for being coated with inner insulating layer 31
Material, syringe needle 3 are equipped with electrode 5, and electrode 5 is arranged along 3 length direction of syringe needle.Thus it is dry can be further reduced signal for structure
It disturbs.Insulating materials is such as, but not limited to, and with insulating materials made of aluminium oxide ceramics, then coats again in alumina ceramic face
With biocompatible coating.Alternatively, using flexible glass material, then on flexible glass surface, coating has biocompatibility
Polymeric membrane.Such as, but not limited to, fibroin protein film, polyvinylpyrrolidone, quaternary ammonium salt, Teflon and heparin are compound for insulation layers
One of object or a variety of combinations and other using physical vapour deposition (PVD) (PVD), chemical vapor deposition (CVD) generate
Insulating coating.
In preferred scheme, the outer surface of syringe needle 3 is coated with conductive layer for as electrode 5, it is preferred that conductive layer is using golden
Belong to silver.Thus scheme can reduce cost of implementation.
In preferred scheme such as Fig. 6, there is external insulation layer 12 in 5 external sheath of electrode, one end of electrode 5 is only close to syringe needle 3
Needle point position it is exposed outside.Thus structure improves the accuracy rate positioned to tip position.Human body impedance be include human body blood
The full reactance containing resistance and capacitor including liquid, skin, muscle, cell tissue and its engaging portion.Human body impedance be determine and
Limit one of the major parameter of body current.
The equivalent circuit of human body impedance such as Figure 12.The intracorporal tissue fluid of people constitutes the resistance section component of human body impedance.And
Skin capacitance and nervous system then form the capacitance part component of human body impedance.R51 and R54 in Figure 12 are skin resistance, C51
It is skin capacitance with C53, R52 and its parallel branch R53, C52 are human body impedances.The cuticula of skin surface 0.05 ~ 0.2mm thickness
Resistance value it is very high, the dc resistivity of dry skin is 40.0 × 103(Ω•m).Body fluid constitutes human body in tissue
Active component, and skin and nerve then constitute the capacitive part of human body.Inside of human body impedance is usually within 1000 Ω.Human body
The variation of skin resistance is influenced by factors such as degree of drying, the extent of damage, contacts area.Inside of human body impedance by environment temperature and
Driving frequency influences.At low frequency (power frequency), based on resistance, the effect of capacitor can be ignored human body impedance.And in radio frequency frequency
Section, the effect of capacitor then be can not ignore.By that can extract and body physiological state to tissue impedance bioelectrical measurement and analysis
Relevant medical information judges blood, skin, muscle, the form of cell tissue and position.Human impedance measurement method be
By being located at skin and the electrode 5 that is deep on the syringe needle 3 or syringe needle 3 as radio-frequency probe of test object to test object
A radiofrequency signal is sent, and the Direct/Reverse rms voltage by detecting radiofrequency signal calculates RF output voltage standing wave
Than the relationship that, the voltage (V) detected according to used mean effective power detector and power (dBm) are directly proportional, lead to
Positive, the reversed rms voltage for crossing detection radiofrequency signal calculates forward and reverse power.If forward power is Pf, backward power is
Pr, then return loss is Prl=Pf-Pr, according to relationship Prl=20 × log10 of return loss and standing-wave ratio VSWR
[(VSWR+1)/(VSWR-1)] can calculate radio frequency output VSWR.To measure the impedance of different human body tissue, people is judged
The position of body tissue and the location of the tip for judging syringe needle 3.
In preferred scheme such as Fig. 6, the other end of electrode 5 extends to the outer wall of needle stand 1, master control set 2 with 1 set of needle stand
It connects, is equipped in the inner wall of master control set 2 and introduces electrode 11, introduce electrode 11 and be electrically connected with electrode 5.Radio circuit of the invention
Have the advantages that small in size, integrated level is high, master control set 2 can be configured together with radio circuit needle stand 1 on.And convenient for more
Needle exchange head 3 enables master control set 2 to be recycled, to reduce use cost.
In preferred scheme, multiple grounding electrodes are additionally provided with, grounding electrode is electrically connected with master control set 2.Thus structure, with
Reduce the interference to radiofrequency signal.
In preferred scheme such as Fig. 4, the grounding electrode includes the combination of one or more of structure: with needle stand 1
It is socketed rotatable first grounding electrode 7；The program uses more convenient.
Or in another optional scheme such as Fig. 5, multiple second grounding electrodes 8 being fixedly mounted on flexible fixing strap 9,
The thread gluing that flexible fixing strap 9 is equipped with viscose glue or end interconnects, in order to fix the second grounding electrode 8；The program setting compared with
For convenience.
Or in another optional scheme, make in 4 metal-coated membrane of syringe as grounding electrode, master control set 2 and metal film
For ground connection electrical connection.The thickness of metal film is not less than 0.1mm.The anti-jamming effectiveness of the program is more preferably.
Preferred scheme such as Fig. 8, in 9,2 structure of master control set are as follows: crystal oscillator is synthesized with phase-locked loop frequency
Device electrical connection, phase-locked loop frequency synthesizer is also electrically connected with digital signal processor, to generate adjustable radiofrequency signal；
Phase-locked loop frequency synthesizer also passes through attenuator and is electrically connected with the electrode 5 on the syringe needle 3 or syringe needle 3 as radio-frequency probe
It connects；
Specifically, the output of phase-locked loop frequency synthesizer is electrically connected with micro-strip radio-frequency power coupler, the coupling of micro-strip radio-frequency power
Device is electrically connected with the electrode 5 on the syringe needle 3 or syringe needle 3 as radio-frequency probe；The micro-strip radio-frequency power coupler uses
Snakelike equidistant cable architecture；Electrode 5 and micro-strip radio-frequency power coupling in the output of phase-locked loop frequency synthesizer and syringe needle 3 or syringe needle 3
Connection all the way in clutch.
The another way of micro-strip radio-frequency power coupler is equipped with preceding to coupling circuit and reverse coupling circuit, forward direction coupling circuit
It is electrically connected by forward power detection circuit and A/D conversion circuit with digital signal processor, reverse coupling circuit passes through reversed
Power-sensing circuit and A/D conversion circuit are electrically connected with digital signal processor, and digital signal processor and display and prompting fill
Set electrical connection.Micro-strip radio-frequency power coupler refers in Fig. 9 the bottom resistance R31, R30 and RF2 to double between radio-frequency probe
Snakelike equidistant conducting wire.
In Fig. 8 ~ 10, in preferred scheme, the phase-locked loop frequency synthesizer model ADF4351；
In Figure 10, the converter model AD7476 of the A/D conversion circuit；
In Fig. 9, the forward power detection circuit and backward power detection circuit use binary channels radiofrequency power detector
AD8364；
In Figure 10, the digital signal processor, which uses, is based on embeded processor stm32f103c8t6；
In Figure 11, the display and alarm set include display screen, LED light or buzzer.
In preferred scheme, the operating frequency range of the radio circuit is 50KHz ~ 500MHz.Preferably range is
Greater than 50KHz or more ~ 100MHz range.
In Fig. 7, for carrying out arterial blood acquisition.In use, the first grounding electrode 7 and the second grounding electrode 8 are pasted
It is attached on the skin 10 or other earthing positions of patient.The master control system of master control set 2 issues instruction, phase-locked loop frequency synthesizer
Alternating current is issued to electrode 5, frequency is 50KHz or more ~ 100MHz variation, forward power detection circuit and backward power detection
Circuit, Direct/Reverse rms voltage calculate RF output voltage standing-wave ratio, to be woven in difference according to different human body group
Impedance variations under frequency, scanning obtain the structure of tissue, are by the confirmation to blood impedance, thus really in this example
Recognize the specific location of artery.Enter human body when puncturing, accurately judges that needle point punctures the body positions reached by impedance, from
And realize the Intelligence Feedback of syringe, the effect for playing adjuvant treatment and improving efficiency.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as limitation of the invention, this Shen
Please in embodiment and embodiment in feature in the absence of conflict, can mutual any combination.Protection model of the invention
The technical solution that should be recorded with claim is enclosed, the equivalent replacement side of technical characteristic in the technical solution recorded including claim
Case is protection scope.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (10)
1. a kind of RF FEEDBACK intelligent syringe, including syringe needle (3), it is characterized in that: being electrically connected in syringe needle (3) and master control set (2)
It connects, master control set (2) is electrically connected with display and alarm set；
The master control set (2) is equipped with radio circuit and coupling circuit, to detect syringe needle (3) surrounding tissue and judge needle
Position of the head (3) in tissue.
2. a kind of RF FEEDBACK intelligent syringe according to claim 1, it is characterized in that: syringe needle (3) be insulating materials or
Syringe needle (3) is the metal material for being coated with inner insulating layer (31), and syringe needle (3) is equipped with electrode (5), and electrode (5) is along syringe needle (3)
Length direction arrangement.
3. a kind of RF FEEDBACK intelligent syringe according to claim 1, it is characterized in that: the outer surface of syringe needle (3) is coated with
Conductive layer is used to be used as electrode (5).
4. a kind of RF FEEDBACK intelligent syringe according to claim 2 or 3, it is characterized in that: in electrode (5) external sheath
Have external insulation layer (12), position of the one end of electrode (5) only close to the needle point of syringe needle (3) is exposed outside.
5. a kind of RF FEEDBACK intelligent syringe according to claim 4, it is characterized in that: the other end of electrode (5) extends
To the outer wall of needle stand (1), master control set (2) and needle stand (1) are socketed, and are equipped in the inner wall of master control set (2) and are introduced electrode (11),
Electrode (11) are introduced to be electrically connected with electrode (5).
6. a kind of RF FEEDBACK intelligent syringe according to claim 1, it is characterized in that: multiple grounding electrodes are additionally provided with,
Grounding electrode is electrically connected with master control set (2).
7. a kind of RF FEEDBACK intelligent syringe according to claim 1, it is characterized in that: the grounding electrode include with
Lower a kind of or various structures combination: rotatable first grounding electrode (7) is socketed with needle stand (1)；
Multiple second grounding electrodes (8) being fixedly mounted on flexible fixing strap (9), flexible fixing strap (9) are equipped with viscose glue or end
The thread gluing that head interconnects, in order to fix the second grounding electrode (8)；
In syringe (4) metal-coated membrane as grounding electrode, master control set (2) is electrically connected with metal film as ground connection.
8. a kind of RF FEEDBACK intelligent syringe according to claim 1, it is characterized in that: the master control set (2) is tied
Structure are as follows: crystal oscillator is electrically connected with phase-locked loop frequency synthesizer, and phase-locked loop frequency synthesizer is also electric with digital signal processor
Connection, to generate the adjustable radiofrequency signal of frequency；
The output of phase-locked loop frequency synthesizer is electrically connected with micro-strip radio-frequency power coupler, micro-strip radio-frequency power coupler and conduct
The syringe needle (3) of radio-frequency probe or electrode (5) electrical connection on syringe needle (3)；
For micro-strip radio-frequency power coupler equipped with preceding to coupling circuit and reverse coupling circuit, forward direction coupling circuit pass through forward power
Detection circuit and A/D conversion circuit are electrically connected with digital signal processor, and reverse coupling circuit passes through backward power detection circuit
It is electrically connected with A/D conversion circuit with digital signal processor, digital signal processor is electrically connected with display and alarm set.
9. a kind of RF FEEDBACK intelligent syringe according to claim 8, it is characterized in that: the phase-locked loop frequency synthesizes
Device model ADF4351；
The converter model AD7476 of the A/D conversion circuit；
The forward power detection circuit and backward power detection circuit uses binary channels radiofrequency power detector AD8364；
The digital signal processor, which uses, is based on embeded processor stm32f103c8t6；
The micro-strip radio-frequency power coupler uses snakelike equidistant cable architecture；
The display and alarm set includes display screen, LED light or buzzer.
10. a kind of RF FEEDBACK intelligent syringe according to claim 1, it is characterized in that: the work of the radio circuit
Working frequency range is 50KHz ~ 500MHz.
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| CN201910832467.5A CN110522956B (en) | 2019-09-04 | 2019-09-04 | Radio frequency feedback intelligent injector |
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|---|---|---|---|
| CN201910832467.5A CN110522956B (en) | 2019-09-04 | 2019-09-04 | Radio frequency feedback intelligent injector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112799315A (en) * | 2020-12-29 | 2021-05-14 | 成都沃特塞恩电子技术有限公司 | Radio frequency control method and device and radio frequency source |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2221426Y (en) * | 1995-02-16 | 1996-03-06 | 李双斌 | Double-electrode pacing needle |
| WO2009019707A1 (en) * | 2007-08-08 | 2009-02-12 | Impediguide Ltd. | Tissue identification method and device |
| CN101405044A (en) * | 2006-03-20 | 2009-04-08 | 诺沃-诺迪斯克有限公司 | Determination of position of injection needle |
| US20110152712A1 (en) * | 2009-12-21 | 2011-06-23 | Hong Cao | Impedance Measurement Tissue Identification in Blood Vessels |
| CN104042205A (en) * | 2013-03-11 | 2014-09-17 | 联想(北京)有限公司 | Electronic equipment and information processing method |
| CN106603165A (en) * | 2017-01-11 | 2017-04-26 | 普联技术有限公司 | Power signal detection method and system |
| CN208401813U (en) * | 2018-10-11 | 2019-01-18 | 河源市星通时频电子有限公司 | A kind of combined type frequency can programming quartz oscillator |
-
2019
- 2019-09-04 CN CN201910832467.5A patent/CN110522956B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2221426Y (en) * | 1995-02-16 | 1996-03-06 | 李双斌 | Double-electrode pacing needle |
| CN101405044A (en) * | 2006-03-20 | 2009-04-08 | 诺沃-诺迪斯克有限公司 | Determination of position of injection needle |
| WO2009019707A1 (en) * | 2007-08-08 | 2009-02-12 | Impediguide Ltd. | Tissue identification method and device |
| US20110152712A1 (en) * | 2009-12-21 | 2011-06-23 | Hong Cao | Impedance Measurement Tissue Identification in Blood Vessels |
| CN104042205A (en) * | 2013-03-11 | 2014-09-17 | 联想(北京)有限公司 | Electronic equipment and information processing method |
| CN106603165A (en) * | 2017-01-11 | 2017-04-26 | 普联技术有限公司 | Power signal detection method and system |
| CN208401813U (en) * | 2018-10-11 | 2019-01-18 | 河源市星通时频电子有限公司 | A kind of combined type frequency can programming quartz oscillator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112799315A (en) * | 2020-12-29 | 2021-05-14 | 成都沃特塞恩电子技术有限公司 | Radio frequency control method and device and radio frequency source |
| CN112799315B (en) * | 2020-12-29 | 2022-02-01 | 成都沃特塞恩电子技术有限公司 | Radio frequency control method and device and radio frequency source |
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