CN202859084U - Vein viewing system - Google Patents

Vein viewing system Download PDF

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Publication number
CN202859084U
CN202859084U CN 201220391615 CN201220391615U CN202859084U CN 202859084 U CN202859084 U CN 202859084U CN 201220391615 CN201220391615 CN 201220391615 CN 201220391615 U CN201220391615 U CN 201220391615U CN 202859084 U CN202859084 U CN 202859084U
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China
Prior art keywords
vein
laser
infrared
visible laser
control
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Expired - Fee Related
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CN 201220391615
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Chinese (zh)
Inventor
黄绪华
熊汪洋
欧阳文
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Wuhan Gigaa Optronics Technology Co Ltd
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Wuhan Gigaa Optronics Technology Co Ltd
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Priority to CN 201220391615 priority Critical patent/CN202859084U/en
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Abstract

The utility model provides a vein viewing system. The vein viewing system comprises a control system (1), visible laser (2), near infrared laser (3), a micro electro mechanical system (MEMS) scanning galvanometer system (4) and an infrared detector (5). Near infrared light is carried out two-dimensional scanning by controlling the MEMS scanning galvanometer system (4), and then by being inputted into the control system (1), an infrared scattered light signal measured by the infrared detector (5) is read into an image input buffering part of the control system (1); the image processing is carried out by an image processing part; a processed image is transmitted to a two-dimensional (2D) imaging controller (10) to control the projection imaging of the visible laser; and a vein image with the ratio of 1:1 with a real object is projected onto a tested skin surface and the projection of the vein image is coincident with the actual position of the vein on the tested skin surface in the horizontal direction. According to the vein viewing system, the accuracy that medical personnel positions the vein is greatly improved, the medical dispute caused by misoperation or repeated operation is reduced, the pain of a patient is reduced and the medical time is shortened.

Description

A kind of vein is checked system
Technical field
This utility model relates to a kind of medical apparatus, relates in particular to a kind of vein and checks system.
Background technology
Intravenous injection and venous blood collection, blood transfusion are to rescue and treat one of important measures of patient, it also is a kind of extremely common medical procedure, but because the complexity of sub-dermal structures (such as blood volume in the blood vessel degree of depth, fatty tissue, skin pigment, the blood vessel) has often hindered the enforcement of venipuncture procedure under the naked eyes.For the unconspicuous patient of some vein blood vessels, such as neonate, child, obese people, and some ethnic crowd, even skilled nurse also is difficult to find exactly the vein position, so often will just can inject successfully through multi-pass operation, can increase like this patient's misery.More seriously, at some in emergency circumstances, every delay all may bring serious consequence an opportunity.Therefore, how fast and accurately vein to be positioned and seem extremely important.In the practice in hospital, also adopted the whole bag of tricks to attempt to find quickly patient's vein at present, as:
(1) utilize the way of tourniquet colligation, this is the most traditional at present, also is the most frequently used a kind of means, but for the patient of front, this method is not proved effective often.
(2) utilize the Vascular Ultrasonography diascope, but the operation usage comparison of this instrument is loaded down with trivial details, the having relatively high expectations of equipment and technology, to having relatively high expectations of medical personnel, and volume is comparatively huge, so its application has been subject to certain restriction.
The utility model content
For overcoming the difficulty of the deficiencies in the prior art and operation, can be by the blood strong absorption and by the characteristic of other people soma's scattering, this utility model provides a kind of vein to check system according near infrared light.
Main purpose of the present utility model provides a kind of vein and checks system, to determine quickly and accurately venous locations.
To achieve these goals, described vein checks that system comprises control system (1), visible laser (2), near-infrared laser (3), MEMS scanning galvanometer system (4), Infrared Detectors (5); Described control system (1) comprises power pack (11), display part (91) and control inputs part (92), main control singlechip part (9), image input-buffer, image processing system, 2D imaging controller (10); Described visible laser generator (2) comprises visible laser Feedback of Power part (21), visible laser power adjustments part (22), visible laser diode (23), visible laser on-off control and visible laser laser alignment part (24); Described near-infrared laser generator (3) comprises near-infrared laser Feedback of Power part (31), near-infrared laser power adjustments part (32), near-infrared laser diode (33), near-infrared laser on-off control and near-infrared laser laser alignment part (34); Described MEMS scanning galvanometer system (4) comprises line scanning drive part, field scanning drive part and scanning galvanometer; And described infrared photoelectric detector (5) comprises that collecting lens (52), optical filter (51), photodetection pipe (53), signal amplifying part divide (54).
Preferably, the display part of described control system (1) is the true color screen of TFT.
Preferably, the power pack of described control system (1) is battery powered or AC adapter power supply.
Preferably, described near-infrared laser generator (3) also comprises temperature probe, HONGGUANG aiming light emitting devices and optical fiber linkage alarm device.
Preferably, the wavelength of described visible laser is adjustable, and the wavelength of described near-infrared laser is adjustable.
More preferably, the wavelength of described visible laser is 600nm, and the wavelength of described near-infrared laser (3) is 780nm.
Check system by the vein that this utility model provides, through following steps, can position vein fast and accurately:
(1) signal input step is realized the input of control parameter by described control inputs part 92;
(2) step of transmitting of near-infrared laser, described near-infrared laser power adjustments part (32) is according to the output of the described near-infrared laser laser diode of feedback control (33) firm power of described near-infrared laser Feedback of Power part (31) formation, by described near-infrared laser collimating part (34) described near infrared light signal is collimated again and carry out projection for described MEMS scanning galvanometer system (4), described near-infrared laser on-off control is connected with described control system (1), with emission and the termination of controlling described near-infrared laser;
(3) vein two-dimensional scan image-forming step, detect the near-infrared laser scattered light of venous locations by described main control singlechip (9) the described MEMS scanning galvanometer system of control (4), apply the line scanning pumping signal for described scanning galvanometer system (4) by described line scanning drive part, give described scanning galvanometer system (4) applied field scanning and excitation signal by described field scanning drive part simultaneously, realize that the reciprocating rotation of described scanning galvanometer minute surface is to control described near-infrared laser scattered light two-dimensional imaging in the plane;
(4) vein two dimensional image treatment step, the scattered light that is formed by described vein two-dimensional scan image-forming step is after described collecting lens is collected, visible light and other veiling glare signal in the environment for use that wherein exists by the described scattered light of described optical filter (51) filtering also passed to described photodetection pipe (53), passes to described control system (1) after described signal amplifier (54) photosignal that described photodetection pipe (5) is collected amplifies subsequently.
(5) vein development step, image after the described processing passes to described 2D imaging controller (10), described visible laser power adjustments part (22) forms the output that feedback is controlled described visible laser diode (23) firm power according to described visible laser Feedback of Power part (21), via described visible laser collimating part (24) described visible light signal is collimated again and carry out projection for described MEMS scanning galvanometer system (4), the vein image projection is arrived tested skin surface (8), and overlap in the horizontal direction with tested skin surface vein physical location; Described visible laser on-off control is connected with control system (1), with the emission that is used for controlling described visible laser with stop; And
(6) signal output step realizes that by described display part (91) state of described signal output step shows.
Vein provided by the invention is checked system's noncontact, safety, no pain, and convenient operation can position vein fast and accurately, at some in emergency circumstances, and the risk of bringing the opportunity of avoiding delay.
Description of drawings
Fig. 1 is the therapeutic process sketch map that this utility model vein is checked system;
Fig. 2 is that structure vein of the present utility model is checked system schematic;
Fig. 3 is the schematic diagram that this utility model vein is checked system.
Description of reference numerals is as follows:
Fig. 2: control system 1, visible laser generator 2, near-infrared laser generator 3, MEMS scanning galvanometer 4, Infrared Detectors 5, infrared scan track 6, ir scattering light 7, body surface to be measured 8;
Fig. 3: main control singlechip 9,2D imaging controller 10, power-supply system 11, electric power system 12, image display buffer 13, image acquisition buffer memory 14, liquid crystal display systems 91, control button 92, buzzer 93, RS232 interface 94, Laser output indication 95, warning system 96, visible laser Feedback of Power part 21, visible laser power adjustments part 22, visible laser diode 23, visible laser collimating part 24, infrared laser power feedback fraction 31, infrared laser power is regulated part 32, iraser diode 33, iraser collimating part 34, optical filter 51, collecting lens 52, photodetection pipe 53, signal amplifying part divides 54.
The specific embodiment
For making the auditor can further understand structure of the present utility model, feature and other purposes, now being accompanied by accompanying drawing in conjunction with appended preferred embodiment is described in detail as follows, the illustrated embodiment of this accompanying drawing only is used for the explanation the technical solution of the utility model, and non-limiting this utility model.
Embodiment
See also Fig. 1, Fig. 1 is therapeutic process sketch map of the present invention.Vein checks that system uses the 780nm near-infrared laser to detect tested skin surface venous locations, be that the 660nm visible light carries out projection at tested skin surface by wavelength again, directly tested skin surface vein displaying is shown on the tested skin surface, and overlap in the horizontal direction with tested skin surface vein physical location, medical personnel can draw blood or inject.Use vein to check that system carries out vein when checking, preferably directly places equipment the top of vein.If vein checks that the location of system is correct, vein show also can be very accurate and also above tested skin any angle can observe.
See also Fig. 2, Fig. 2 is structural representation of the present invention.Vein checks that system comprises control system 1, visible laser generator 2, near-infrared laser generator 3, MEMS scanning galvanometer system 4, Infrared Detectors 5.
Control system 1 comprises power pack 11, display part 91 and control inputs part, main control singlechip part 9, image input-buffer part, image processing system, 2D imaging controller 10.Power pack 11 is responsible for powering to whole system for battery input or AC adapter input.Display part 91 provides man-machine interface with control inputs part 92, shows in order to input and the state of realizing the control parameter.
Main control singlechip 9 is by control MEMS scanning galvanometer system 4, use the 780nm near infrared light to carry out two-dimensional scan, again via input control system 1, the ir scattering optical signal 7 that Infrared Detectors 5 is recorded is read into the image input-buffer part (not shown) of control system 1, carrying out image via the image processing section (not shown) again processes, image after processing is passed to 2D imaging controller 10, control the projection imaging of visible laser (native system select be the laser of 660nm wavelength), to become with object size the vein image projection of 1:1 ratio to tested skin surface, and overlap in the horizontal direction with tested skin surface vein physical location.Check that by vein of the present invention system has improved the accuracy of medical personnel to the vein location greatly, reduced the medical tangle that causes maloperation or repetitive operation to cause, it is painful bitter to reduce patient, shortens the medical treatment time.
See also Fig. 3, Fig. 3 is the schematic diagram that vein of the present invention is checked system.
Power supply part 11 converts each voltage that system needs to electric power system 12 by battery or power supply adaptor through each power module, is powered to whole system by electric power system 12.Liquid crystal display systems 91, control button 92, buzzer 93, RS232 interface 94, Laser output indication 95, warning system 96 all directly are connected with main control singlechip 9, and main control singlechip 9 also is connected with 2D imaging controller 10, image display buffer 13 and image acquisition buffer memory 14.Main control singlechip 9 control 2D imaging controllers 10, use the 780nm near infrared light to carry out 2D scanning by MEMS scanning galvanometer system 4, again by the input control system (not shown), the optical signal 7 through tested skin surface scattering that Infrared Detectors 5 is recorded is read into the input-buffer (not shown), carrying out image by main control singlechip 9 again processes, image after processing is passed to 2D imaging controller 10, control the projection imaging of visible laser (native system select be 660nm laser), with the vein image projection to tested skin surface.Its mid-infrared laser generator 3 comprises respectively collimating mirror 34,24 with visible indication laser generator 2.Infrared photoelectric detector 5 comprises optical filter 51, condenser lens 52, photodetection pipe 53 and drive plate 54.
The near-infrared laser of selecting in the native system is the 780nm laser instrument, comprise infrared laser power feedback fraction 31, infrared laser power is regulated part 32, iraser diode 33, iraser on-off control (not shown) and iraser collimating part 34, infrared laser power adjusting part 32 is controlled iraser diode 33 according to feedback of infrared laser power feedback fraction 31 formation and is exported, collimated by 34 pairs of optical signals of iraser collimating part again and carry out projection for MEMS scanning galvanometer system 4, the iraser on-off control is connected with control system 1, with emission and the termination of control near-infrared laser.
2DMEMS scanning galvanometer system 4 comprises line scanning drive part, field scanning drive part (not shown), apply line scanning pumping signal and field scanning drive part to scanning mirror applied field scanning and excitation signal by the line scanning drive part to scanning mirror, realize the reciprocating rotation of scanning mirror minute surface, control the near-infrared laser scattered light and carry out in the plane the 2D imaging.
Infrared photoelectric detector 5 comprises that optical filter 51, collecting lens 52, photodetection pipe 53, signal amplifying part divide 54.Behind the visible light and other veiling glare signal in the optical filter 51 filtering environments for use, collecting lens 52 is collected scattered light and is passed to photodetection pipe 53, and the photosignal that signal amplifier 54 collects photodetector 5 is passed to control system 1 and carried out vein identification after amplifying.
The visible laser generator 2 of selecting in the native system is 660nm laser instrument, comprise visible laser Feedback of Power part 21, visible laser power adjustments part 22, visible laser diode 23, visible laser on-off control (not shown) and visible laser collimating part 24, be used for vein is developed.Power adjustments part 22 is controlled visible laser diode 23 according to feedback of laser power feedback fraction 21 formation and is exported, collimated by 24 pairs of optical signals of visible laser collimating part again and carry out projection for MEMS scanning galvanometer system 4, the visible laser on-off control is connected with control system 1, with emission and the termination of control visible laser.
What need statement is that foregoing invention content and the specific embodiment are intended to prove the practical application of technical scheme provided by the present invention, should not be construed as the restriction to protection domain of the present invention.Those skilled in the art are in spirit of the present invention and principle, when doing various modifications, being equal to and replacing or improve.Protection scope of the present invention is as the criterion with appended claims.

Claims (6)

1. a vein is checked system, it is characterized in that, described vein checks that system comprises control system (1), visible laser (2), near-infrared laser (3), MEMS scanning galvanometer system (4), Infrared Detectors (5);
Described control system (1) comprises power pack (11), display part (91) and control inputs part (92), main control singlechip part (9), image input-buffer, image processing system, 2D imaging controller (10);
Described visible laser generator (2) comprises visible laser Feedback of Power part (21), visible laser power adjustments part (22), visible laser diode (23), visible laser on-off control and visible laser laser alignment part (24);
Described near-infrared laser generator (3) comprises near-infrared laser Feedback of Power part (31), near-infrared laser power adjustments part (32), near-infrared laser diode (33), near-infrared laser on-off control and near-infrared laser laser alignment part (34);
Described MEMS scanning galvanometer system (4) comprises line scanning drive part, field scanning drive part and scanning galvanometer; And
Described infrared photoelectric detector (5) comprises that collecting lens (52), optical filter (51), photodetection pipe (53), signal amplifying part divide (54).
2. vein according to claim 1 is checked system, it is characterized in that, the display part of described control system (1) is the true color screen of TFT.
3. vein according to claim 1 is checked system, it is characterized in that, the power pack of described control system (1) is battery powered or AC adapter power supply.
4. vein according to claim 1 is checked system, it is characterized in that, described near-infrared laser generator (3) also comprises temperature probe, HONGGUANG aiming light emitting devices and optical fiber linkage alarm device.
5. vein according to claim 1 is checked system, it is characterized in that, the wavelength of described visible laser generator (2) is adjustable, and the wavelength of described near-infrared laser (3) is adjustable.
6. vein according to claim 5 is checked system, it is characterized in that, the wavelength of described visible laser is 600nm, and the wavelength of described near-infrared laser is 780nm.
CN 201220391615 2012-08-09 2012-08-09 Vein viewing system Expired - Fee Related CN202859084U (en)

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Application Number Priority Date Filing Date Title
CN 201220391615 CN202859084U (en) 2012-08-09 2012-08-09 Vein viewing system

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102764109A (en) * 2012-08-09 2012-11-07 武汉博激世纪科技有限公司 Vein viewing system
CN106073715A (en) * 2016-06-27 2016-11-09 南京航空航天大学 A kind of HONGGUANG vein strengthens display device and method
CN108143501A (en) * 2017-12-15 2018-06-12 泗洪县正心医疗技术有限公司 A kind of dissection projecting method based on body surface vein pattern

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102764109A (en) * 2012-08-09 2012-11-07 武汉博激世纪科技有限公司 Vein viewing system
CN106073715A (en) * 2016-06-27 2016-11-09 南京航空航天大学 A kind of HONGGUANG vein strengthens display device and method
CN106073715B (en) * 2016-06-27 2020-03-24 南京航空航天大学 Red light vein enhancement display device and method
CN108143501A (en) * 2017-12-15 2018-06-12 泗洪县正心医疗技术有限公司 A kind of dissection projecting method based on body surface vein pattern
CN108143501B (en) * 2017-12-15 2021-11-30 苏州科灵医疗科技有限公司 Anatomical projection method based on body surface vein features

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130410

Termination date: 20150809

EXPY Termination of patent right or utility model