CN110522958A - Photo-electric intelligent syringe - Google Patents
Photo-electric intelligent syringe Download PDFInfo
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- CN110522958A CN110522958A CN201910942928.4A CN201910942928A CN110522958A CN 110522958 A CN110522958 A CN 110522958A CN 201910942928 A CN201910942928 A CN 201910942928A CN 110522958 A CN110522958 A CN 110522958A
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- optical fiber
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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
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
- A61B5/0084—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters
-
- 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
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- A61M1/0023—
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- 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Vascular Medicine (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention provides a kind of photo-electric intelligent syringe, it includes needle holder and syringe needle, optical fiber is equipped in syringe needle, the optical fiber with light source and receiver for connecting, to judge position of the needle point in tissue to the absorbability of light by the different parts of tissue.Fine end is located at the position of the needle point close to syringe needle, so that syringe needle is after entering tissue, the gap between tissue is enough small or directly contacts.By using the scheme that optical fiber is arranged in syringe needle, pass through the optical fiber being arranged in syringe needle, and light source and receiver with optical fiber cooperation, it can be conveniently accurately according to human body different tissues to the difference of the absorbability of light, to obtain which position that syringe needle is located at tissue.
Description
Technical field
The present invention relates to medical instruments field, especially a kind of photo-electric 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 accurately in place, have feedback
The injector technology of function can make up such defect, intelligent eyes be provided for global doctor's injection and extraction, to suffer from
The lesion treatment of person provides accurately tool.Chinese patent literature CN1309341C fetal oximetry system and sensor
Specification describes, and optical measuring device includes a sensor, which has an optical generator and a photodetector, the former
For generating the light along two or more measuring paths across tissue, the latter is for detecting along each light
The light of measuring route.But the structure is simply possible to use in measurement.Function is also only used for measurement blood oxygen saturation.Chinese patent literature
CN105286758A has the medical needle of optical image detecting function, provides a kind of effective auxiliary injection needle, puncture needle positioning
Device, the needle and device can help doctor more accurately judge successfully to puncture or infuse by objective identification method
It penetrates, medical treatment is avoided to apply improper and cause the sequelae such as postoperative somatic damage or discomfort.Main concept is to utilize a kind of image
Detecting mode, detecting different tissues have different images, thus reach the purpose of special positioning by identification tissue.But by light
The limitation of fine numerical aperture, this needs injection needle, puncture needle that there is sufficiently large diameter just can solve the technical problem.Work as injection
It is less practical when needle, puncture needle diameter are smaller.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of photo-electric intelligent syringes, being capable of fast and accurate positioning
The success rate of operation is improved to assist the fixed-point injection and suction operation of doctor in position of the needle point in tissue.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: a kind of photo-electric intelligent syringe, it is wrapped
Needle holder and syringe needle are included, optical fiber is equipped in syringe needle, the optical fiber with light source and receiver for connecting, to pass through human body group
The different parts knitted judge position of the needle point in tissue to the absorbability of light.
In preferred scheme, the optic fibre end is located at the position of the needle point close to syringe needle, so that syringe needle is entering people
After body tissue, the gap between tissue is enough small or directly contacts.
In preferred scheme, the inner wall in the position of the close needle point of syringe needle is installed with diaphragm seat；
Diaphragm seat is provided with a circumferential side wall, and one end that diaphragm seats against nearly needle point is equipped with transparent flexible sheet, the other end it is open with
Facilitate insertion into optical fiber, the end of optical fiber is adjacent to transparent flexible sheet, when syringe needle enter tissue after, transparent elasticity
Gap between diaphragm and tissue is enough small or directly contacts.
In preferred scheme, it is equipped with optical fiber introduction hole in the side wall of needle holder, for introducing optical fiber；
Optical fiber duct is additionally provided in the side wall of needle holder；
It is removably to be flexibly connected between optical fiber and light source；
It is removably to be flexibly connected between optical fiber and receiver.
In preferred scheme, the optical fiber includes the first optical fiber and the second optical fiber, wherein the first optical fiber is connect with light source,
Second optical fiber is connect with receiver.
In preferred scheme, the light source be it is multiple, multiple light sources have different wavelength, multiple light sources and wave multiplexer
Connection, wave multiplexer are connect with the first optical fiber；
It is removably to be flexibly connected between first optical fiber and wave multiplexer；
The receiver is identical as quantity of light source, and each receiver is connect with channel-splitting filter, and channel-splitting filter is connect with the second optical fiber；
It is removably to be flexibly connected between second optical fiber and channel-splitting filter；
To judge position of the needle point in tissue to the absorbability of the light of different wave length by the different parts of tissue
It sets.
In preferred scheme, the optical fiber is single fiber；
Optical fiber is connect by the wave multiplexer in wavelength division multiplexer with light source, and optical fiber also passes through channel-splitting filter in wavelength division multiplexer and connects
Receive device connection；
It is removably to be flexibly connected between optical fiber and wavelength division multiplexer；
To judge position of the needle point in tissue to the absorbability of the light of different wave length by the different parts of tissue
It sets.
In preferred scheme, the light source is laser diode or infrared diode；
The light source includes the light receiving device part of backlight detection；
One be additionally provided in circuit of light sources in temperature-compensation circuit, automatic optical power control circuit and luminous power detection circuit
With it is multiple.
In preferred scheme, photodiode is used in the receiver；
The photodiode uses HFBR2416；
Optical detection circuit is additionally provided in acceptor circuit；
It is additionally provided in acceptor circuit and receives optical gate limit setting one of circuit and the low display circuit of luminous intensity or a variety of.
In preferred scheme, it is additionally provided with control unit, control unit is electrically connected with light source and receiver；
Control unit is also electrically connected with wavelength division multiplexer；
The control unit uses C8051F340 or STM32F103C8T6.
The present invention provides a kind of photo-electric intelligent syringes to pass through by using the scheme that optical fiber is arranged in syringe needle
The optical fiber being arranged in syringe needle, and light source and receiver with optical fiber cooperation, can be conveniently accurately according to human body difference group
The difference to the absorbability of light is knitted, to obtain which position that syringe needle is located at tissue.It especially can be easily
Determine the accurate location of blood, body fluid, fat or tumour hydrops.It is further preferred that will be multiple and different by wavelength division multiplexer
The light source of wavelength is sent into optical fiber, can be different to the absorbability of the light of different wave length using the different parts of tissue, from
And more accurately confirm needle point is located at which position of tissue.The flexible sheet structure of setting, can preferably avoid
Optic fibre end is contaminated, is also convenient for the positioning of optic fibre end, and using the deformation of transparent flexible sheet, enables optic fibre end
It is enough preferably to be contacted with tissue.The scheme that the present invention uses optical fiber to be detachably flexibly connected, can only abandon syringe needle, syringe needle
Seat and optical fiber, consequently facilitating reducing the use cost of user.It is an advantage of the current invention that it is able to use thinner optical fiber, such as
The optical fiber of diameter 10um ~ 1000um, preferred diameter is 50um ~ 500um, so as to be greatly decreased to syringe itself
The influence of function.
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 schematic diagram of syringe needle and needle holder in the present invention.
Fig. 2 is the detection structure schematic diagram in the present invention.
Fig. 3 is the detection structure schematic diagram of multi wave length illuminating source in the present invention.
Fig. 4 is circuit of light sources schematic diagram in the present invention.
Fig. 5 is detection circuit schematic diagram in the present invention.
Fig. 6 is governor circuit schematic diagram in the present invention.
In figure: the first optical fiber 1, the second optical fiber 2, diaphragm seat 3, flexible sheet 4, syringe needle 5, optical fiber introduction hole 6, optical fiber duct 7,
Needle holder 8, light source 9, receiver 10, tissue 11, wave multiplexer 12, channel-splitting filter 13, single fiber 14.
Specific embodiment
The present invention is based on theories below:
Human body is rented with different absorption coefficient and scattering coefficient, and tissue is made of multilayer different structure, absorb and
Scattering exists simultaneously, and optical property is equivalent to chaotic timeseries, and the parameter of description tissue optical characteristics has absorption coefficient ua、
Scattering coefficient us, complete attenuation take utut=ua+us, scattering anisotropy factor g and refractive index n.Light beam is z=1, u in deptha+
usTop layer's medium scattered, so it can flow absorption and scattering with different layers and change, light intensity is also sent out therewith
Changing.
A kind of photo-electric intelligent syringe, it includes needle holder 8 and syringe needle 5, and optical fiber, the light are equipped in syringe needle 5
Fibre with light source 9 and receiver 10 for connecting, to judge that needle point exists to the absorbability of light by the different parts of tissue
Position in tissue.Optical fiber can be single or more in this example.Thus structure, photo-electric intelligent injection of the invention
Device can be in the position in human body by the needle point of fiber laser arrays to syringe needle 5, this is for easily determining blood, body fluid, rouge
The help of the accurate location of fat or tumour hydrops is very big, and can be avoided frequently using fluoroscopic apparatus, such as auxiliary CT.
As shown in figure 1, the optic fibre end is located at the position of the needle point close to syringe needle 5 to preferred scheme, so that syringe needle 5 exists
Into after tissue, the gap between tissue is enough small or directly contacts.Thus structure, convenient for according to human body
Tissue judges position of the needle point in tissue to the absorbability of light.
As shown in figure 1, the inner wall in the position of the close needle point of syringe needle 5 is installed with diaphragm seat 3 to preferred scheme；
Diaphragm seat 3 is provided with a circumferential side wall, and diaphragm seat 3 is equipped with transparent flexible sheet 4 close to one end of needle point, and the other end is open
In order to be inserted into optical fiber, the end of optical fiber is adjacent to transparent flexible sheet 4, when syringe needle 5 enter tissue after, it is transparent
Gap between flexible sheet 4 and tissue is enough small or directly contacts.The diaphragm seat of setting and the knot of flexible sheet
Structure can preferably avoid optic fibre end contaminated, flatten tissue locally using flexible sheet, in order to better
Measurement is also convenient for the positioning of optic fibre end, and using the deformation of transparent flexible sheet, enables optic fibre end and human body group
Knit better contact.
Preferred scheme is equipped with optical fiber introduction hole 6 as shown in figure 1, in the side wall of needle holder 8, for introducing optical fiber；Thus it ties
Structure enables needle holder 8 to be removed simultaneously with optical fiber detector, is conveniently replaceable to reduce cost.And optical fiber and light source 9 and reception
Device 10 can use dismountable structure, to reduce whole use cost.
Optical fiber duct 7 is additionally provided in the side wall of needle holder 8；Thus structure can be placed at optical fiber in optical fiber duct 7, and
Will not the syringe link position to syringe cause to interfere, nor influence sealing.
It is removably to be flexibly connected, such as socket connects between optical fiber and light source 9；Thus structure can reduce use
Cost.
It is removably to be flexibly connected between optical fiber and receiver 10.
In preferred scheme such as Fig. 2, the optical fiber includes the first optical fiber 1 and the second optical fiber 2, wherein the first optical fiber 1 with
Light source 9 connects, and the second optical fiber 2 is connect with receiver 10.Thus structure, light source 9 are passed for emitting light beam by the first optical fiber 1
End is transported to, after tissue absorbs and reflects, receiver 10 is transmitted to from the second optical fiber 2, passes through different absorptivities
Variation, judge that the needle point of syringe needle is in the accurate location of tissue.
In preferred scheme such as Fig. 3, the light source 9 be it is multiple, multiple light sources 9 have different wavelength, multiple light sources 9
It is connect with wave multiplexer 12, wave multiplexer 12 is connect with the first optical fiber 1；
It is removably to be flexibly connected between first optical fiber 1 and wave multiplexer 12；
The receiver 10 is identical as 9 quantity of light source, and each receiver 10 is connect with channel-splitting filter 13, channel-splitting filter 13 and the second light
Fibre 2 connects；
It is removably to be flexibly connected between second optical fiber 2 and channel-splitting filter 13；
To judge position of the needle point in tissue to the absorbability of the light of different wave length by the different parts of tissue
It sets.Thus structure emits the light beam of different wave length by multiple light sources respectively, is mounted on the first optical fiber 1 by wave multiplexer 12,
It is transmitted to channel-splitting filter 13 from the second optical fiber 2, then be separated into after tissue absorbs and reflects in the end of the first optical fiber 1
The light beam of different wave length more accurately judges position of the needle point in tissue according to the decaying of the light of different wave length.This example
In preferably use three light sources 9, receiver 10 also mutually should be three.
In preferred scheme, the optical fiber is single fiber；
Optical fiber is connect by the wave multiplexer 12 in wavelength division multiplexer with light source 9, and optical fiber also passes through the channel-splitting filter in wavelength division multiplexer
13 connect with receiver 10；
It is removably to be flexibly connected between optical fiber and wavelength division multiplexer；
To judge position of the needle point in tissue to the absorbability of the light of different wave length by the different parts of tissue
It sets.
In preferred scheme such as Fig. 4, the light source 9 is laser diode LD or infrared diode；
The light source 9 includes the light receiving device part with backlight detection；
One be additionally provided in circuit of light sources in temperature-compensation circuit, automatic optical power control circuit and luminous power detection circuit
With it is multiple.As shown in Figure 4, the circuit that LM385M3-1.2 is connected is the temperature-compensating part of illuminating circuit, by making
The temperature effect of diode D1 i.e. in4148 and LD Light-Emitting Diode that LM385M3-1.2 reference source voltage is connected are on the contrary, reality
The temperature-compensating of existing illuminating circuit LD.3rd pin of LD Light-Emitting Diode connects luminous power detection circuit, is examined by backlight pipe
Luminous power is measured, capacitor C17 and resistance R3 are played a filtering role.Automatic optical power control circuit is (APC) circuit, comparison voltage
Positive and negative anodes of the voltage detected with light emitting diode LD as comparator, then by resistance R45, capacitor C25 integral amplification after
It generates sourcing current and controls light emitting diode LD, luminous power is made to maintain to stablize.
In preferred scheme such as Fig. 5, photodiode is used in the receiver 10；In Fig. 5, pass through two pole of photoelectricity
The electric current that pipe Q1 is generated enters second group of amplifier of U4 after resistance R51, inductance L18 filtering.U4 preferably uses LM324.
The photodiode uses HFBR2416；
Optical detection circuit is additionally provided in 10 circuit of receiver；
It is additionally provided in 10 circuit of receiver and receives optical gate limit setting one of circuit and the low display circuit of luminous intensity or a variety of.Such as figure
In 5, the detection threshold for receiving optical circuit is can be set in the locator resistance R21 of setting；Announcement is generated by the third group amplifier of U4
Alert level PDAL1.The 4th group of amplifier of U4 is emitter follower, increases driving capability, can pass through the sudden strain of a muscle of light emitting diode D4
The alarm of optical circuit is received in bright display.
In preferred scheme such as Fig. 6, it is additionally provided with control unit, control unit is electrically connected with light source 9 and receiver 10；
Control unit is also electrically connected with wavelength division multiplexer；
The control unit uses C8051F340 or STM32F103C8T6.Control unit is also connect with display device, including
LED light or LED display.
By taking the schemes of double optical fiber extracts tumour hydrops as an example, in use, first by the first optical fiber 1 and the second optical fiber 2 respectively with
Light source 9 and receiver 10 connect, and test is normal, then connect needle holder 8 with syringe, and the needle point of syringe needle 5 is inserted into skin, more
The light source that a laser diode generates is loaded light beam on the first optical fiber 1 by wave multiplexer 12, and light beam is from the end of the first optical fiber 1
Hair goes out, and is radiated in tissue after flexible sheet 4, and after absorption and scattering, light enters the second optical fiber 2, quilt
Channel-splitting filter 13 decomposes in each receiver 10, detects the value that is absorbed by optical detection circuit, so that comprehensive descision goes out to be located at
The specific location of tissue starts to extract hydrops operation, extraction operation all finishes when the position for reaching tumour hydrops
Afterwards.Needle holder is removed from syringe, the first optical fiber 1 and the second optical fiber 2 are disconnected with light source 9 and receiver 10, light source 9 and receiver
10 can reuse again.
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 photo-electric intelligent syringe, it includes needle holder (8) and syringe needle (5), it is characterized in that: being equipped in syringe needle (5)
Optical fiber, the optical fiber with light source (9) and receiver (10) for connecting, to pass through the absorption of the different parts light of tissue
Ability judges position of the needle point in tissue.
2. a kind of photo-electric intelligent syringe according to claim 1, it is characterized in that: the optic fibre end is positioned at close
The position of the needle point of syringe needle (5), so that syringe needle (5) is after entering tissue, the gap between tissue is enough small
Or it directly contacts；
The diameter of optical fiber is 10um ~ 1000um.
3. a kind of photo-electric intelligent syringe according to claim 1, it is characterized in that: in the close needle point of syringe needle (5)
The inner wall of position is installed with diaphragm seat (3)；
Diaphragm seat (3) is provided with a circumferential side wall, and diaphragm seat (3) is equipped with transparent flexible sheet (4) close to one end of needle point, another
End is open, and in order to be inserted into optical fiber, the end of optical fiber is adjacent to transparent flexible sheet (4), when syringe needle (5) is entering human body group
After knitting, the gap between transparent flexible sheet (4) and tissue is enough small or directly contacts.
4. described in any item a kind of photo-electric intelligent syringes according to claim 1 ~ 3, it is characterized in that: in needle holder (8)
Side wall is equipped with optical fiber introduction hole (6), for introducing optical fiber；
Optical fiber duct (7) are additionally provided in the side wall of needle holder (8)；
It is removably to be flexibly connected between optical fiber and light source (9)；
It is removably to be flexibly connected between optical fiber and receiver (10).
5. a kind of photo-electric intelligent syringe according to claim 4, it is characterized in that: the optical fiber includes the first optical fiber
(1) and the second optical fiber (2), wherein the first optical fiber (1) is connect with light source (9), the second optical fiber (2) is connect with receiver (10).
6. a kind of photo-electric intelligent syringe according to claim 5, it is characterized in that: the light source (9) be it is multiple, it is more
A light source (9) has different wavelength, and multiple light sources (9) are connect with wave multiplexer (12), and wave multiplexer (12) and the first optical fiber (1) are even
It connects；
It is removably to be flexibly connected between first optical fiber (1) and wave multiplexer (12)；
The receiver (10) is identical as light source (9) quantity, and each receiver (10) connect with channel-splitting filter (13), channel-splitting filter
(13) it is connect with the second optical fiber (2)；
It is removably to be flexibly connected between second optical fiber (2) and channel-splitting filter (13)；
To judge position of the needle point in tissue to the absorbability of the light of different wave length by the different parts of tissue
It sets.
7. a kind of photo-electric intelligent syringe according to claim 4, it is characterized in that: the optical fiber is single fiber；
Optical fiber is connect by the wave multiplexer (12) in wavelength division multiplexer with light source (9), and optical fiber also passes through point in wavelength division multiplexer
Wave device (13) is connect with receiver (10)；
It is removably to be flexibly connected between optical fiber and wavelength division multiplexer；
To judge position of the needle point in tissue to the absorbability of the light of different wave length by the different parts of tissue
It sets.
8. according to claim 1 ~ 3,5 ~ 7 described in any item a kind of photo-electric intelligent syringes, it is characterized in that: the light source
It (9) is laser diode (LD) or infrared diode；
The light source (9) includes the light receiving device part of backlight detection；
One be additionally provided in circuit of light sources in temperature-compensation circuit, automatic optical power control circuit and luminous power detection circuit
With it is multiple.
9. according to claim 1 ~ 3,5 ~ 7 described in any item a kind of photo-electric intelligent syringes, it is characterized in that: the reception
Photodiode is used in device (10)；
The photodiode uses HFBR2416；
Optical detection circuit is additionally provided in receiver (10) circuit；
It is additionally provided in receiver (10) circuit and receives optical gate limit setting one of circuit and the low display circuit of luminous intensity or a variety of.
10. a kind of photo-electric intelligent syringe according to claim 1, it is characterized in that: being additionally provided with control unit, control is single
Member is electrically connected with light source (9) and receiver (10)；
Control unit is also electrically connected with wavelength division multiplexer；
The control unit uses C8051F340 or STM32F103C8T6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910942928.4A CN110522958A (en) | 2019-09-30 | 2019-09-30 | Photo-electric intelligent syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910942928.4A CN110522958A (en) | 2019-09-30 | 2019-09-30 | Photo-electric intelligent syringe |
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| Publication Number | Publication Date |
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| CN110522958A true CN110522958A (en) | 2019-12-03 |
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ID=68671137
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|---|---|---|---|
| CN201910942928.4A Pending CN110522958A (en) | 2019-09-30 | 2019-09-30 | Photo-electric intelligent syringe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113332540A (en) * | 2021-06-03 | 2021-09-03 | 北京美神煦氰美啦医疗美容诊所有限公司 | Luminous needle of syringe auxiliary type |
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