CN109350126A - The continuous pressure measuring system of bicavate blood vessel based on ultrasonic transducer - Google Patents
The continuous pressure measuring system of bicavate blood vessel based on ultrasonic transducer Download PDFInfo
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- CN109350126A CN109350126A CN201811399729.5A CN201811399729A CN109350126A CN 109350126 A CN109350126 A CN 109350126A CN 201811399729 A CN201811399729 A CN 201811399729A CN 109350126 A CN109350126 A CN 109350126A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/06—Measuring blood flow
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/04—Measuring blood pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
- A61B8/0891—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of blood vessels
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/48—Diagnostic techniques
- A61B8/488—Diagnostic techniques involving Doppler signals
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/56—Details of data transmission or power supply
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Abstract
The invention discloses a kind of continuous pressure measuring system of bicavate blood vessel based on ultrasonic transducer, comprising: information acquisition module is used to acquire the information such as intravascular blood flow velocity, pipe diameter size and density of blood；Information pre-processing module with the information acquisition module bluetooth, wirelessly or electrically connect, and pre-processes to information such as blood flow velocity, pipe diameter size and density of blood；And information display module, it is electrically connected with the information pre-processing module；Wherein, the information acquisition module is miniprobe sonography, and the miniprobe sonography is set in the conduit in trochar, and the conduit uses double channel catheter, and the miniprobe sonography is located at middle section or the cavity top end of cavity.The present invention has the beneficial effect of invasive continuous accurate measurements haemodynamics (artery/vein vascular pressure) variation.
Description
Technical field
The present invention relates to biomedical engineering fields.It is more particularly related to a kind of based on ultrasonic transducer
The continuous pressure measuring system of bicavate blood vessel.
Background technique
Measurement blood pressure is the basic skills for understanding health condition and observing the state of an illness, especially during operation or in Intensive Care Therapy
Ward, the continuous dynamic (dynamical) variation of monitor blood flow is to all kinds of critical patients such as cardiovascular diseases, more it is necessary to hypertension/low
Blood pressure is the direct cause of death of many high-risk patients.The study found that between blood pressure change rate and the death rate of cardiovascular disease
There is significant correlation.Therefore, pass through that continuous hemodynamic monitoring grasps blood pressure change rate and take appropriate measures can be with
The occurrence of greatly reducing the fatal risk as caused by blood stream rheology.
With the development of science and technology, also occurring a kind of more accurately monitoring device as shown in Figure 1 at present.Such as Fig. 1 institute
Show, which includes pressure sensor 81, data line 82, flusher 83, diversion pipe 84, trochar 85, working principle
As follows: flusher 83 is externally connected to the physiological saline containing heparin, and flusher 83 is fixedly connected on pressure sensor 81
On, inner conduit is in contact with the induction zone inside pressure sensor 81, and export end is connected with diversion pipe 84, diversion pipe 84
It is connected on trochar 85；Pressure sensor 81 is connected with data line 82, and one end of the data line 82 is provided with coffret
So as to external analysis shows that instrument is connected.When monitoring starts, trochar 85 is punctured merging blood vessel, it is then that needle core is rapid
Extraction and casing 85 still remain in it is intravascular, 85 airtight connection of trochar on diversion pipe 84, flusher 83 at the same time
Interior heparin saline is also met in water conservancy diversion to diversion pipe 84 and close to one section of trochar 85 and the blood at upstream, in pressure
Under the action of balance, which finally remains unchanged.The pressure of induction zone with blood pressure is consistent on pressure sensor 81 at this time
's.It is the pressure (angiosthenia/vein pressure) of blood vessel by the pressure that pressure sensor 81 measures, and is transferred to by data line 82
Analysis shows that analyzed on instrument and show that result is recorded for medical staff, guiding clinical diagnosis and treatment.
Although above-mentioned disposable pressure sensor can accurately measure the blood pressure of patient, inside diversion pipe 84
Deflector hole it is excessively narrow, when backflow of blood to pipe in when it is easy to appear solidification the phenomenon that, this be just unfavorable for blood pressure carry out
Monitoring, pressure then cannot be accurately measured after blood clotting, needs to maintain blood in heparin saline fair current to diversion pipe 84
To prevent Hemostatic Oral Liquid solidification near 84 contact position of trochar 85 and diversion pipe, this just needs to add the flushing dress of water conservancy diversion heparin saline
83 are set, which adds cost, and it is inconvenient for operation.
Summary of the invention
For the shortcomings of the prior art, it is double based on ultrasonic transducer that the object of the present invention is to provide a kind of
The continuous pressure measuring system of cavate blood vessel surveys pressure for artery and vein surveys pressure, obviously save material, reduce costs, utilizes
Doppler range rate measurement calculates formula and generates doppler waveform, and the doppler waveform is being changing into pressure by specific mathematical model
Waveform, being capable of invasive continuous accurate measurements haemodynamics (artery/vein vascular pressure) variation.
In order to realize these purposes and other advantages according to the present invention, a kind of two-chamber based on ultrasonic transducer is provided
The continuous pressure measuring system of formula blood vessel, comprising: information acquisition module is used to acquire intravascular blood flow velocity, pipe diameter size and blood
The information such as density；
Information pre-processing module with the information acquisition module bluetooth, is wirelessly or electrically connect, and to blood flow velocity, pipe
The information such as diameter size and density of blood are pre-processed；And
Information display module is electrically connected with the information pre-processing module；
Wherein, the information acquisition module is miniprobe sonography, and the miniprobe sonography is set in the conduit in trochar,
The conduit uses double channel catheter, and the miniprobe sonography is located at middle section or the cavity top end of cavity.
Preferably, the information pre-processing module is ultrasonic transducer, by the blood flow velocity received, pipe diameter size
And the information such as density of blood are pre-processed, and are calculated formula by Doppler range rate measurement and are generated doppler waveform.
Preferably, the information display module is analysis shows that instrument, described analysis shows that instrument passes through specific mathematical model
The doppler waveform is changing into pressure waveform.
Preferably, the cavity for placing the miniprobe sonography is semi-enclosed cavity, is sealed with blood contacting surface, another
Cavity is closed cavity, and internal hydraulically full, the double channel catheter is actively socketed in the casing of trochar, and the two-chamber is led
The front end of described sleeve pipe is stretched out in one end of pipe.
Preferably, selection oar is dynamic when the continuous pressure measuring system artery of the bicavate blood vessel based on ultrasonic transducer surveys pressure
Arteries and veins, femoral artery or other arteries are monitored, and the continuous pressure measuring system vein of the bicavate blood vessel based on ultrasonic transducer is surveyed
Subclavian vein, jugular vein, femoral vein or other Deep veins is selected to be monitored when pressure.
Preferably, the site of puncture of patient must carry out Aseptic sterilisation processing.
Preferably, the miniprobe sonography or the conduit need to be fixed with fixed device.
The present invention is include at least the following beneficial effects: the bicavate blood vessel provided by the invention based on ultrasonic transducer is continuous
Pressure measuring system is surveyed pressure for artery and vein surveys pressure, hence it is evident that saved material, reduce costs, calculated using Doppler range rate measurement
Formula generates doppler waveform, and the doppler waveform is being changing into pressure waveform by specific mathematical model, can be invasive
Continuous accurate measurements haemodynamics (artery/vein vascular pressure) variation.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the schematic diagram of disposable pressure sensor in the prior art；
Fig. 2 is structure diagram of the invention；
Fig. 3 is the structure diagram of one embodiment of the invention；
Fig. 4 is the structure diagram of one embodiment of the invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, foregoing end other objects of the invention, feature, side
Face and advantage will be apparent, and so that those skilled in the art can carry out according to the description.In the accompanying drawings,
For clarity, shape and size can be amplified, and will be indicated in all figures using identical appended drawing reference identical
Or similar component.In the following description, such as center, thickness, height, length, front, back, rear portion, the left side, the right, top
The words such as portion, bottom, top, lower part are to be based on the orientation or positional relationship shown in the drawings.Particularly, " height " is equivalent to from top
Portion is to the size of bottom, and " width " is equivalent to size from left to right, and " depth " is equivalent to vertical size.These
Relative terms are to be not intended to need specifically to be orientated for convenience and usually.It is related to the term of attachment, connection etc.
(for example, " connection " and " attachment ") refer to these structures by the relationship that intermediate structure is fixed directly or indirectly to one another or is attached,
And movable or rigidly attached or relationship, unless otherwise clearly stating.
As a specific embodiment of the invention, with reference to Fig. 1~3, the present invention provides one kind to be based on ultrasonic transducer
The continuous pressure measuring system of bicavate blood vessel, comprising: information acquisition module is used to acquire intravascular blood flow velocity, pipe diameter size
And the information such as density of blood；
Information pre-processing module with the information acquisition module bluetooth, is wirelessly or electrically connect, and to blood flow velocity, pipe
The information such as diameter size and density of blood are pre-processed；And
Information display module is electrically connected with the information pre-processing module；
Wherein, the information acquisition module is miniprobe sonography 1, and the miniprobe sonography 1 is set to the conduit in trochar
Interior, the conduit uses double channel catheter, and the miniprobe sonography 1 is located at middle section or the cavity top end of cavity.
When the miniprobe sonography 1 is located at the middle section of cavity, the actually detected position of the miniprobe sonography 1 is skin
Under skin, except blood vessel, when the miniprobe sonography 1 is located at the top of cavity, the actually detected position of the miniprobe sonography 1
For internal blood vessel.
Further, the information pre-processing module is ultrasonic transducer 2, by the blood flow velocity received, pipe diameter size
And the information such as density of blood are pre-processed, and are calculated formula by Doppler range rate measurement and are generated doppler waveform.
The information display module is analysis shows that instrument 3, described analysis shows that instrument 3 will be described more by specific mathematical model
General Le waveform is changing into pressure waveform.
Further, the cavity for placing the miniprobe sonography 1 is semi-enclosed cavity, is sealed with blood contacting surface, another
Cavity is closed cavity, and internal hydraulically full, the double channel catheter is actively socketed in the casing of trochar, and the two-chamber is led
The front end of described sleeve pipe is stretched out in one end of pipe.
The bicavate blood vessel based on ultrasonic transducer continuous pressure measuring system artery selects radial artery, femoral artery when surveying pressure
Or other arteries are monitored, selection lock when the continuous pressure measuring system vein of the bicavate blood vessel based on ultrasonic transducer surveys pressure
Vein, jugular vein, femoral vein or other Deep veins are monitored under bone.
The site of puncture of patient must carry out Aseptic sterilisation processing.The miniprobe sonography 1 or the conduit need to use fixation
Device is fixed.
As a specific embodiment of the invention, with reference to Fig. 3 and Fig. 4, the detection site of patient is sterilized first
It sterilizes, after sterilizing, trochar is at an acute angle with skin, and inserting needle parallel with artery or vein traveling after puncture, will cover
Artery or intravenous and be pushed into required depth is sent into one end of pipe, extracts needle core, the double channel catheter is rapidly inserted into described
In casing, until one end of the double channel catheter protrude into it is intravascular and and contacting blood, the miniprobe sonography 1 be located at cavity
Middle section or cavity top end, the miniprobe sonography 1 are connect with 2 bluetooth of ultrasonic transducer, wirelessly or electrically.
One end of the double channel catheter is directly contacted with blood, and artery or venous blood flow velocity, pipe diameter size and blood are close
The information such as degree are transmitted to miniprobe sonography 1 through internal liquid, and miniprobe sonography 1 is by artery or venous blood flow velocity, pipe diameter size
And the information such as density of blood are transmitted to the ultrasonic transducer 2, the ultrasonic transducer 2 using Doppler range rate measurement calculate formula and
The information such as artery or venous blood flow velocity, pipe diameter size and density of blood are generated doppler waveform, the ultrasound by compensation formula
Doppler waveform is transmitted to described analysis shows that instrument 3, described analysis shows that instrument 3 will by specific mathematical model by energy converter 2 again
The doppler waveform is changing into artery or vein pressure waveform, medical worker can clear view to patient artery or vein pressure
Force information.
Number of devices and treatment scale described herein are for simplifying explanation of the invention.To application of the invention,
Modifications and variations will be readily apparent to persons skilled in the art.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With.It can be applied to various suitable the field of the invention completely.It for those skilled in the art, can be easily
Realize other modification.Therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (7)
1. a kind of continuous pressure measuring system of bicavate blood vessel based on ultrasonic transducer characterized by comprising information collection mould
Block is used to acquire the information such as intravascular blood flow velocity, pipe diameter size and density of blood；
Information pre-processing module with the information acquisition module bluetooth, is wirelessly or electrically connect, and big to blood flow velocity, caliber
The information such as small and density of blood are pre-processed；And
Information display module is electrically connected with the information pre-processing module；
Wherein, the information acquisition module is miniprobe sonography, and the miniprobe sonography is set in the conduit in trochar, described
Conduit uses double channel catheter, and the miniprobe sonography is located at middle section or the cavity top end of cavity.
2. the continuous pressure measuring system of bicavate blood vessel based on ultrasonic transducer as described in claim 1, which is characterized in that described
Information pre-processing module is ultrasonic transducer, and the information such as the blood flow velocity received, pipe diameter size and density of blood are carried out
Pretreatment calculates formula by Doppler range rate measurement and generates doppler waveform.
3. the continuous pressure measuring system of bicavate blood vessel based on ultrasonic transducer as described in claim 1, which is characterized in that described
Information display module is analysis shows that instrument, described analysis shows that the doppler waveform is changing by instrument by specific mathematical model
Pressure waveform.
4. the continuous pressure measuring system of bicavate blood vessel based on ultrasonic transducer as described in claim 1, which is characterized in that place
The cavity of the miniprobe sonography is semi-enclosed cavity, is sealed with blood contacting surface, and another cavity is closed cavity, inside
Hydraulically full, the double channel catheter is actively socketed in the casing of trochar, and described sleeve pipe is stretched out in one end of the double channel catheter
Front end.
5. the continuous pressure measuring system of bicavate blood vessel based on ultrasonic transducer as described in claim 1, which is characterized in that described
When the continuous pressure measuring system artery of bicavate blood vessel based on ultrasonic transducer surveys pressure selection radial artery, femoral artery or other arteries into
Row monitoring, the bicavate blood vessel based on ultrasonic transducer continuous pressure measuring system vein select subclavian vein, neck when surveying pressure
Internal jugular vein, femoral vein or other Deep veins are monitored.
6. the continuous pressure measuring system of bicavate blood vessel based on ultrasonic transducer as described in claim 1, which is characterized in that patient
Site of puncture must carry out Aseptic sterilisation processing.
7. the continuous pressure measuring system of bicavate blood vessel based on ultrasonic transducer as described in claim 1, which is characterized in that described
Miniprobe sonography or the conduit need to be fixed with fixed device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811399729.5A CN109350126A (en) | 2018-11-22 | 2018-11-22 | The continuous pressure measuring system of bicavate blood vessel based on ultrasonic transducer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811399729.5A CN109350126A (en) | 2018-11-22 | 2018-11-22 | The continuous pressure measuring system of bicavate blood vessel based on ultrasonic transducer |
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| CN109350126A true CN109350126A (en) | 2019-02-19 |
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| CN201811399729.5A Pending CN109350126A (en) | 2018-11-22 | 2018-11-22 | The continuous pressure measuring system of bicavate blood vessel based on ultrasonic transducer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116458925A (en) * | 2023-06-15 | 2023-07-21 | 山东百多安医疗器械股份有限公司 | Portable non-blind area multi-mode ultrasonic electrocardio system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104883967A (en) * | 2012-11-08 | 2015-09-02 | 勒·泰 | Improved blood pressure monitor and method |
| CN106456116A (en) * | 2014-06-17 | 2017-02-22 | 皇家飞利浦有限公司 | Design and method for intravascular catheter |
| CN107550519A (en) * | 2017-08-22 | 2018-01-09 | 深圳先进技术研究院 | A kind of Multifunctional blood intraductal ultrasonography imaging device |
-
2018
- 2018-11-22 CN CN201811399729.5A patent/CN109350126A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104883967A (en) * | 2012-11-08 | 2015-09-02 | 勒·泰 | Improved blood pressure monitor and method |
| CN106456116A (en) * | 2014-06-17 | 2017-02-22 | 皇家飞利浦有限公司 | Design and method for intravascular catheter |
| CN107550519A (en) * | 2017-08-22 | 2018-01-09 | 深圳先进技术研究院 | A kind of Multifunctional blood intraductal ultrasonography imaging device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116458925A (en) * | 2023-06-15 | 2023-07-21 | 山东百多安医疗器械股份有限公司 | Portable non-blind area multi-mode ultrasonic electrocardio system |
| CN116458925B (en) * | 2023-06-15 | 2023-09-01 | 山东百多安医疗器械股份有限公司 | Portable non-blind area multi-mode ultrasonic electrocardio system |
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