CN105769471A - Integral nursing bed for hematology department - Google Patents

Integral nursing bed for hematology department Download PDF

Info

Publication number
CN105769471A
CN105769471A CN201610349839.5A CN201610349839A CN105769471A CN 105769471 A CN105769471 A CN 105769471A CN 201610349839 A CN201610349839 A CN 201610349839A CN 105769471 A CN105769471 A CN 105769471A
Authority
CN
China
Prior art keywords
equipment
image
signal
filtering
mean square
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610349839.5A
Other languages
Chinese (zh)
Other versions
CN105769471B (en
Inventor
窦翠云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610349839.5A priority Critical patent/CN105769471B/en
Priority to CN201710899758.7A priority patent/CN107582303A/en
Publication of CN105769471A publication Critical patent/CN105769471A/en
Application granted granted Critical
Publication of CN105769471B publication Critical patent/CN105769471B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05Parts, details or accessories of beds
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G19/00Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/44Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing persons
    • G01G19/445Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing persons in a horizontal position
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00Prospecting or detecting by optical means
    • G01V8/10Detecting, e.g. by using light barriers
    • G01V8/12Detecting, e.g. by using light barriers using one transmitter and one receiver
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00General characteristics of devices
    • A61G2203/10General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00General characteristics of devices
    • A61G2203/30General characteristics of devices characterised by sensor means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00General characteristics of devices
    • A61G2203/70General characteristics of devices with special adaptations, e.g. for safety or comfort
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2205/00General identification or selection means

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Nursing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Image Processing (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)

Abstract

The invention relates to an integral nursing bed for the hematology department. The nursing bed comprises a sick bed and an alarm platform, wherein the platform comprises a spray gun, target identification equipment, infrared detection equipment and Freescale IMX6 processing equipment, wherein the Freescale IMX6 processing equipment is respectively connected with the spray gun, the target identification equipment and the infrared detection equipment, and is used for determining whether a pop-up rope net main body is sprayed through the spray gun or not based on output of the target identification equipment and output of the infrared detection equipment. By adopting the integral nursing bed, a safety curtain is provided to protection of patients in sick beds.

Description

A kind of hematology integral type nursing bed
Technical field
The present invention relates to medical care equipment field, particularly relate to a kind of hematology integral type nursing bed.
Background technology
In order to avoid patient falls the generation of an event, in prior art, hospital management side also takes much positive measure, such as, sick bed bed body is transformed, increase the height of guardrail, and some geofence equipment and emergence call equipments are set in sick bed bed body, falling the probability of bed reducing patient, provide the pendant triggering device that bed is reported to the police for patient, these improved sick bed equipment decrease patient to a certain extent and fall the generation of an event.Meanwhile, hospital management side also takes some measures, for instance increase the interaction with families of patients and communication, to reduce the time of the unmanned nurse of patient.
But, it is excessively simple that these hospital bed structural reforms existing make mechanism, due to patient, to fall a duration intervals very of short duration, above-mentioned detection and warning device accuracy of detection are not high, detection efficiency is low, increase and the increase of nurse time of guardrail height can only reduce patient and fall the probability of bed, and the event that cannot be avoided pendant bed occurs, most importantly, prior art lacks fast reaction measure and fast reaction equipment that patient falls an event, patient cannot be fallen an event and carry out fast reaction, in time patient body quickly cannot be supported, cause the ill effect that patient cannot be avoided to fall bed.
Therefore, need the technical scheme of a kind of new hospital bed fall arrest, it is possible to detect the pendant bed event of patient accurately and efficiently, it is possible to quickly report to the police, can also using some emergency reaction equipment that patient is given first aid to, being subject to clashing into injury thus being prevented effectively from patient.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of hematology integral type nursing bed, existing hospital bed bed body introduces weight detection equipment, image detecting apparatus and ray detector patient falls an event accurately judge, introduce some sources of early warning to report to the police accordingly, the more important thing is, the patient body fallen effectively is supported by the urgent rescue equipment targetedly that also introduces, avoid patient and be subject to actual bodily harm because of pendant bed, thus indirectly maintaining the therapeutic effect of hospital.
According to an aspect of the present invention, provide a kind of hematology integral type nursing bed, including sick bed and alarm platform, described platform includes ejecting gun, target identification equipment, infrared detection equipment and Freescale IMX6 and processes equipment, Freescale IMX6 processes equipment and is connected with ejecting gun, target identification equipment and infrared detection equipment respectively, and determining whether for the output of based target identification equipment and the output of infrared detection equipment can Pop-up netting main body by ejecting gun injection.
More specifically, in described hematology integral type nursing bed, including netting collecting apparatus, it is positioned at below sick bed, for cylindrical vessel, can Pop-up netting main body for storage;Ejecting gun, process equipment with Freescale IMX6 respectively and can Pop-up netting main body be connected, be positioned at netting collecting apparatus rear portion, for receive fall triggering signal time, Pop-up netting main body will can be ejected into the side of sick bed and be in open mode in netting collecting apparatus;Can Pop-up netting main body, before not injected rifle sprays, remain in netting collecting apparatus and be in contraction state, for sick bed being fallen when being injected into the side of sick bed and being in open mode, human body is protected;Weight rate detection equipment, it is positioned at position, sick bed bed board downside, including weight detector and timer, weight detector load weight on detection sick bed bed board in real time, weight rate detection equipment determines the load weight rate of change on sick bed bed board based on the output of weight detector and the output of timer, when load weight rate of change is more than default rate of change, send weight change early warning signal, when load weight rate of change is less than or equal to default rate of change, send weight change normal signal;Gun-type picture pick-up device, is positioned at the side of sick bed bed board, and ward bed side shoots with horizontal shooting direction to obtain high definition side image dorsad;Gray processing processes equipment, is connected with gun-type picture pick-up device, is used for receiving high definition side image, and high definition side image performs gray processing process, to obtain gray level image;Contrast strengthens equipment, processes equipment with gray processing and is connected, is used for receiving gray level image, and gray level image is carried out contrast enhancement processing, to obtain the first enhancing image;Change of scale strengthens equipment, strengthens equipment with contrast and is connected, and is used for receiving the first enhancing image, and the first enhancing image is carried out change of scale enhancement process, to obtain the second enhancing image;Edge strengthens equipment, strengthens equipment with change of scale and is connected, and is used for receiving the second enhancing image, and the second enhancing image is carried out edge enhancement process, to obtain the 3rd enhancing image;nullImage compares equipment,Equipment is strengthened respectively with edge、Haar wavelet filtering equipment、Daubechies wavelet filtering equipment and self adaptation recursive filtering equipment connect,When strengthening equipment from edge and receiving the 3rd enhancing image,First start Haar wavelet filtering equipment to be filtered processing to obtain the first filtering image to the 3rd enhancing image,Determine that mean square error that the first filtering image and the 3rd strengthens between image is using as the first mean square error,When the first mean square error is less than or equal to default square mean error amount,First filtering image is exported as target filtering image,When the first mean square error is more than default square mean error amount,Start Daubechies wavelet filtering equipment to be filtered processing to obtain the second filtering image to the 3rd enhancing image,Determine that mean square error that the second filtering image and the 3rd strengthens between image is using as the second mean square error,When the second mean square error is less than or equal to default square mean error amount,Second filtering image is exported as target filtering image,When the second mean square error is more than default square mean error amount,Continue to start self adaptation recursive filtering equipment to be filtered processing to obtain the 3rd filtering image to the 3rd enhancing image,Determine that mean square error that the 3rd filtering image and the 3rd strengthens between image is using as the 3rd mean square error,When the 3rd mean square error is less than or equal to default square mean error amount,3rd filtering image is exported as target filtering image,When the 3rd mean square error is more than default square mean error amount,Determine that mean square error that the second filtering image and the 3rd strengthens between image is using as the second mean square error,Select the first mean square error、The filtering image corresponding to mean square error that in second mean square error and the 3rd mean square error, numerical value is minimum exports as target filtering image,It is then turned off Haar wavelet filtering equipment、Daubechies wavelet filtering equipment and self adaptation recursive filtering equipment;Haar wavelet filtering equipment, adopts the wavelet filtering based on 2 rank Haar wavelet basiss to process for strengthening image to the 3rd, to obtain the first filtering image;Daubechies wavelet filtering equipment, adopts the wavelet filtering based on 2 rank Daubechies wavelet basiss to process for strengthening image to the 3rd, to obtain the second filtering image;Self adaptation recursive filtering equipment, performs adaptive-filtering process for strengthening image to the 3rd, to obtain the 3rd filtering image;Binary conversion treatment equipment, compare equipment with image respectively and mmc card is connected, the gray value of each pixel of target filtering image and black and white threshold value are respectively compared, when the gray value of pixel is more than black and white threshold value, pixel is designated as white pixel, when the gray value of pixel is less than black and white threshold value, pixel is designated as black picture element, thus obtaining binary image;Object detection apparatus, it is connected with binary conversion treatment equipment and mmc card respectively, for to binary image, calculate the number of each column black picture element, the number of black picture element is designated as edge columns be more than or equal to the row of threshold number of pixels, it is additionally operable to binary image, calculate the number of each row black picture element, the number of black picture element is designated as edge lines be more than or equal to the row of threshold number of pixels, region edge columns and edge lines interweaved is as target domain of the existence, and is partitioned into target domain of the existence from binary image to export as target subimage;Target identification equipment, is connected with mmc card and object detection apparatus respectively, is mated with each benchmark human body image by target subimage, and the match is successful then sends and there is human body signal, and it fails to match then sends without human body signal;Civil power access interface, is connected with line, for receiving the Alternating Current Power Supply signal of line input;Current transformer and sample circuit, be connected with the A phase line in line, B phase line and C phase line, for the current signal in A phase line, B phase line and C phase line is sampled respectively;Voltage sample circuit, is connected with the A phase line in line, B phase line and C phase line, for the voltage signal in A phase line, B phase line and C phase line is sampled respectively;Current signal conditioning circuit, is connected with current transformer and sample circuit, for sampling current is carried out signal condition;Voltage signal conditioning circuit, is connected with voltage sample circuit, for sampling voltage is carried out signal condition;AD73360 chip, it is connected with current signal conditioning circuit and voltage signal conditioning circuit respectively, sampling voltage after sampling current after conditioning and conditioning is performed respectively 16 A/D conversions, obtain digital current signal and digital voltage signal, be additionally based upon digital current signal and digital voltage signal determines the virtual value of digital current signal and the virtual value of digital voltage signal;Alternating Current Power Supply conversion equipment, is connected with the A phase line in line, B phase line and C phase line, is used for performing alternating current to galvanic conversion;Display device, is connected with AD73360 chip, for the virtual value of the virtual value of real-time display digit current signal and digital voltage signal;Infrared detection equipment, is positioned at the side of sick bed bed board, for detecting whether there is the object side process from sick bed bed board, and detect object from the side of sick bed bed board through out-of-date, send object and skim over signal;Solar energy detection equipment, is positioned on the exterior wall of place, ward building, for the solar energy intensity that detection in real time is current;Power supply unit, including solar powered device, accumulator, switching switch and electric pressure converter, switching switch detects equipment with solar energy respectively, solar powered device and accumulator connect, when the not enough and current solar energy intensity of the dump energy of accumulator is optionally greater than preset strength, it is switched to solar powered device to be powered by solar powered device, electric pressure converter is connected with switching switch, so that the 5V voltage inputted by switching switch is converted to 3.3V voltage, wherein solar powered device is positioned on the exterior wall of place, ward building, solar powered device includes solar energy photovoltaic panel;Sound and light alarm equipment, processes equipment with Freescale IMX6 and is connected, including audible alarm subset and light warning subset for receive fall trigger signal or fall early warning signal time carry out corresponding sound and light alarm operation;User input device, is connected with mmc card, for, under the operation of user, inputting preset content in mmc card;Freescale IMX6 processes equipment, it is connected with gun-type picture pick-up device, ejecting gun, weight rate detection equipment, target identification equipment and infrared detection equipment respectively, after receiving weight change early warning signal, start gun-type picture pick-up device, subsequently receive exist human body signal and receive object skim over signal time, send the triggering signal that falls, receive without human body signal and receive object skim over signal time, send the early warning signal that falls, and do not receive object and skim over signal and receive only and there is human body signal, send the early warning signal that falls;Mmc card, for having prestored each benchmark human body image, each benchmark human body image is that the benchmark human body to the different bodily forms shoots the image obtained in advance, is additionally operable to prestore default square mean error amount, black and white threshold value, threshold number of pixels and default rate of change;Wireless charging device, detect equipment with solar energy respectively and accumulator is connected, when the not enough and current solar energy intensity of the dump energy of accumulator is lower than preset strength, setting up with neighbouring wireless charging terminal and be connected to start wireless charging operation, wireless charging device is also connected with electric pressure converter to realize voltage conversion.
More specifically, in described hematology integral type nursing bed: user input device is keyboard array.
More specifically, in described hematology integral type nursing bed: infrared detection equipment includes RF transmitter and infrared receiver.
More specifically, in described hematology integral type nursing bed: infrared detection equipment includes microcontroller.
More specifically, in described hematology integral type nursing bed: microcontroller is AT89C51 single-chip microcomputer.
More specifically, in described hematology integral type nursing bed: Freescale IMX6 processes equipment and is integrated on one piece of surface-mounted integrated circuit with mmc card.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram of the hematology's integral type nursing bed illustrated according to an embodiment of the present invention.
Accompanying drawing labelling: 1 switch board main body;2 luminance sensors;3CMOS vision sensor;4 Freescale MC9S12 chips
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of hematology's integral type nursing bed of the present invention is described in detail.
Armarium improves constantly the primary condition of medical science level, is also the important symbol of up-to-dateness, and armarium has become a key areas of modern medical service.The development of medical treatment depends greatly on the development of instrument, and in developing even at medical industry, its breakthrough bottleneck has also functioned to conclusive effect.
Medical apparatus and instruments refers to and is used alone or in combination in the instrument of human body, equipment, utensil, material or other article, also includes required software.Body surface and internal therapeutic effect are obtained not by the means of pharmacology, immunology or metabolism, but medical device product serves certain assosting effect.During use, it is intended to reach following expection purpose: prevention of disease, diagnosis, treatment, monitoring, alleviation;To damage or the diagnosis of deformity, treatment, monitoring, alleviation, compensation;To dissecting or the research of physiological process, replacement, adjustment;Gestation controls.
Armarium can be divided into 10 classes: ward nursing equipment (sick bed, go-cart, oxygen cylinder, paunch flusher, needleless injector etc.);Surgical apparatus (operation table, luminaire, operating theater instruments and various, frame, stool, cabinet also include microsurgical equipment);Radiotherapy equipment (contact apparatus, superficial therapy machine, degree of depth therapy apparatus, accelerator, 60 Co60 radiotherapy unit 60s, radium or 137 caesium intracavitary therapies and afterloading unit treatment etc.);Nuclear medicine treatments equipment-Therapeutic Method has internal-radiation therapy, application therapy and colloid therapy three kinds;Physics and chemistry equipment (can be generally divided into phototherapy commercial affairs, electrotherapy apparatus, ultrasonic therapeutic and sulfur and treats equipment 4 class);Laser equipment medical laser generator (conventional has ruby laser, He-Ne Lasers, carbon dioxide laser, argon laser and YAG laser etc.);Dialysis treatment equipment (conventional artificial kidney has flat membranes type artificial kidney and the big class of cast artificial kidney two);Body temperature freezing equipment (quasiconductor cryoprobe, gas cryoprobe and solid cryoprobe etc.);First-aid apparatus (defibrillation pacing devices, artificial respirator, ultrasound atomizer etc.);Other therapeutic equipment (hyperbaric oxygen chamber, the chrome device of ophthalmic high frequency, locking magnet, vitreous cutter, blood adult's separator etc.).This broadly falls into each section special for treating equipment, also can be separately divided into a class if necessary.
Sick bed is armarium most basic in hospital, modal, medical time and the nurse time of most patients all tide on one's sick bed, but, reason and the existence of unmanned nursing time due to sick bed structure itself, patient falls an event and happens occasionally, and causes bigger injury to patient, except the pain of injury on shock served by band, also likely expand the state of an illness of patient, adversely affect to the recovery of patient and treatment.
Currently, hospital management side also actively takes some measures and patient falls an event prevents and avoid, such as reinforce bed body, increase source of early warning, reduce the unmanned nursing time, but, these measures and equipment are excessively simple on the one hand, detection and early warning are inefficient, on the other hand, lack the urgent rescue equipment holding up patient body when patient falls bed, even if having detected patient to fall an event patient also cannot be avoided to fall the consequence that bed causes, do not provide any help in practice for patient.
In order to overcome above-mentioned deficiency, the present invention has built a kind of hematology integral type nursing bed, utilize existing hospital bed bed body, it is carried out structure of modification and upgrading, add various detection equipment and source of early warning patient falls an event to accurately identify, particularly critical, also add effective emergency reaction equipment and carry out urgent rescue when patient falls bed, occurring thus avoiding the secondary injury that pendant bed event causes to patient.
Fig. 1 is the block diagram of the hematology's integral type nursing bed illustrated according to an embodiment of the present invention, including sick bed and alarm platform, described platform includes ejecting gun, target identification equipment, infrared detection equipment and Freescale IMX6 and processes equipment, Freescale IMX6 processes equipment and is connected with ejecting gun, target identification equipment and infrared detection equipment respectively, and determining whether for the output of based target identification equipment and the output of infrared detection equipment can Pop-up netting main body by ejecting gun injection.
Then, continue the concrete structure of hematology's integral type nursing bed of the present invention is further detailed.
Described platform includes: netting collecting apparatus, is positioned at below sick bed, for cylindrical vessel, and can Pop-up netting main body for storage.
Described platform includes: ejecting gun, process equipment with Freescale IMX6 respectively and can Pop-up netting main body be connected, it is positioned at netting collecting apparatus rear portion, for receive fall triggering signal time, Pop-up netting main body will can be ejected into the side of sick bed and be in open mode in netting collecting apparatus.
Described platform includes: can Pop-up netting main body, before not injected rifle sprays, remain in netting collecting apparatus and be in contraction state, for sick bed being fallen when being injected into the side of sick bed and being in open mode, human body is protected.
Described platform includes: weight rate detection equipment, it is positioned at position, sick bed bed board downside, including weight detector and timer, weight detector load weight on detection sick bed bed board in real time, weight rate detection equipment determines the load weight rate of change on sick bed bed board based on the output of weight detector and the output of timer, when load weight rate of change is more than default rate of change, send weight change early warning signal, when load weight rate of change is less than or equal to default rate of change, send weight change normal signal.
Described platform includes: gun-type picture pick-up device, is positioned at the side of sick bed bed board, and ward bed side shoots with horizontal shooting direction to obtain high definition side image dorsad;Gray processing processes equipment, is connected with gun-type picture pick-up device, is used for receiving high definition side image, and high definition side image performs gray processing process, to obtain gray level image;Contrast strengthens equipment, processes equipment with gray processing and is connected, is used for receiving gray level image, and gray level image is carried out contrast enhancement processing, to obtain the first enhancing image.
Described platform includes: change of scale strengthens equipment, strengthens equipment with contrast and is connected, and is used for receiving the first enhancing image, and the first enhancing image is carried out change of scale enhancement process, to obtain the second enhancing image;Edge strengthens equipment, strengthens equipment with change of scale and is connected, and is used for receiving the second enhancing image, and the second enhancing image is carried out edge enhancement process, to obtain the 3rd enhancing image.
nullDescribed platform includes: image compares equipment,Equipment is strengthened respectively with edge、Haar wavelet filtering equipment、Daubechies wavelet filtering equipment and self adaptation recursive filtering equipment connect,When strengthening equipment from edge and receiving the 3rd enhancing image,First start Haar wavelet filtering equipment to be filtered processing to obtain the first filtering image to the 3rd enhancing image,Determine that mean square error that the first filtering image and the 3rd strengthens between image is using as the first mean square error,When the first mean square error is less than or equal to default square mean error amount,First filtering image is exported as target filtering image,When the first mean square error is more than default square mean error amount,Start Daubechies wavelet filtering equipment to be filtered processing to obtain the second filtering image to the 3rd enhancing image,Determine that mean square error that the second filtering image and the 3rd strengthens between image is using as the second mean square error,When the second mean square error is less than or equal to default square mean error amount,Second filtering image is exported as target filtering image,When the second mean square error is more than default square mean error amount,Continue to start self adaptation recursive filtering equipment to be filtered processing to obtain the 3rd filtering image to the 3rd enhancing image,Determine that mean square error that the 3rd filtering image and the 3rd strengthens between image is using as the 3rd mean square error,When the 3rd mean square error is less than or equal to default square mean error amount,3rd filtering image is exported as target filtering image,When the 3rd mean square error is more than default square mean error amount,Determine that mean square error that the second filtering image and the 3rd strengthens between image is using as the second mean square error,Select the first mean square error、The filtering image corresponding to mean square error that in second mean square error and the 3rd mean square error, numerical value is minimum exports as target filtering image,It is then turned off Haar wavelet filtering equipment、Daubechies wavelet filtering equipment and self adaptation recursive filtering equipment.
Described platform includes: Haar wavelet filtering equipment, adopts the wavelet filtering based on 2 rank Haar wavelet basiss to process for strengthening image to the 3rd, to obtain the first filtering image;Daubechies wavelet filtering equipment, adopts the wavelet filtering based on 2 rank Daubechies wavelet basiss to process for strengthening image to the 3rd, to obtain the second filtering image;Self adaptation recursive filtering equipment, performs adaptive-filtering process for strengthening image to the 3rd, to obtain the 3rd filtering image.
Described platform includes: binary conversion treatment equipment, compare equipment with image respectively and mmc card is connected, the gray value of each pixel of target filtering image and black and white threshold value are respectively compared, when the gray value of pixel is more than black and white threshold value, pixel is designated as white pixel, when the gray value of pixel is less than black and white threshold value, pixel is designated as black picture element, thus obtaining binary image.
Described platform includes: object detection apparatus, it is connected with binary conversion treatment equipment and mmc card respectively, for to binary image, calculate the number of each column black picture element, the number of black picture element is designated as edge columns be more than or equal to the row of threshold number of pixels, it is additionally operable to binary image, calculate the number of each row black picture element, the number of black picture element is designated as edge lines be more than or equal to the row of threshold number of pixels, region edge columns and edge lines interweaved is as target domain of the existence, and is partitioned into target domain of the existence from binary image to export as target subimage.
Described platform includes: target identification equipment, is connected with mmc card and object detection apparatus respectively, is mated with each benchmark human body image by target subimage, and the match is successful then sends and there is human body signal, and it fails to match then sends without human body signal.
Described platform includes: civil power access interface, is connected with line, for receiving the Alternating Current Power Supply signal of line input;Current transformer and sample circuit, be connected with the A phase line in line, B phase line and C phase line, for the current signal in A phase line, B phase line and C phase line is sampled respectively;Voltage sample circuit, is connected with the A phase line in line, B phase line and C phase line, for the voltage signal in A phase line, B phase line and C phase line is sampled respectively;Current signal conditioning circuit, is connected with current transformer and sample circuit, for sampling current is carried out signal condition;Voltage signal conditioning circuit, is connected with voltage sample circuit, for sampling voltage is carried out signal condition.
Described platform includes: AD73360 chip, it is connected with current signal conditioning circuit and voltage signal conditioning circuit respectively, sampling voltage after sampling current after conditioning and conditioning is performed respectively 16 A/D conversions, obtain digital current signal and digital voltage signal, be additionally based upon digital current signal and digital voltage signal determines the virtual value of digital current signal and the virtual value of digital voltage signal.
Described platform includes: Alternating Current Power Supply conversion equipment, is connected with the A phase line in line, B phase line and C phase line, is used for performing alternating current to galvanic conversion;Display device, is connected with AD73360 chip, for the virtual value of the virtual value of real-time display digit current signal and digital voltage signal.
Described platform includes: infrared detection equipment, is positioned at the side of sick bed bed board, for detecting whether there is the object side process from sick bed bed board, and detect object from the side of sick bed bed board through out-of-date, send object and skim over signal;Solar energy detection equipment, is positioned on the exterior wall of place, ward building, for the solar energy intensity that detection in real time is current.
Described platform includes: power supply unit, including solar powered device, accumulator, switching switch and electric pressure converter, switching switch detects equipment with solar energy respectively, solar powered device and accumulator connect, when the not enough and current solar energy intensity of the dump energy of accumulator is optionally greater than preset strength, it is switched to solar powered device to be powered by solar powered device, electric pressure converter is connected with switching switch, so that the 5V voltage inputted by switching switch is converted to 3.3V voltage, wherein solar powered device is positioned on the exterior wall of place, ward building, solar powered device includes solar energy photovoltaic panel.
Described platform includes: sound and light alarm equipment, processes equipment with Freescale IMX6 and is connected, including audible alarm subset and light warning subset for receive fall trigger signal or fall early warning signal time carry out corresponding sound and light alarm operation.
Described platform includes: user input device, is connected with mmc card, for, under the operation of user, inputting preset content in mmc card;Freescale IMX6 processes equipment, it is connected with gun-type picture pick-up device, ejecting gun, weight rate detection equipment, target identification equipment and infrared detection equipment respectively, after receiving weight change early warning signal, start gun-type picture pick-up device, subsequently receive exist human body signal and receive object skim over signal time, send the triggering signal that falls, receive without human body signal and receive object skim over signal time, send the early warning signal that falls, and do not receive object and skim over signal and receive only and there is human body signal, send the early warning signal that falls.
Described platform includes: mmc card, for having prestored each benchmark human body image, each benchmark human body image is that the benchmark human body to the different bodily forms shoots the image obtained in advance, is additionally operable to prestore default square mean error amount, black and white threshold value, threshold number of pixels and default rate of change.
Described platform includes: wireless charging device, detect equipment with solar energy respectively and accumulator is connected, when the not enough and current solar energy intensity of the dump energy of accumulator is lower than preset strength, setting up with neighbouring wireless charging terminal and be connected to start wireless charging operation, wireless charging device is also connected with electric pressure converter to realize voltage conversion.
Alternatively, in described platform: user input device is keyboard array;Infrared detection equipment includes RF transmitter and infrared receiver;Infrared detection equipment includes microcontroller;Microcontroller is AT89C51 single-chip microcomputer;And think of karr IMX6 processes equipment and is integrated on one piece of surface-mounted integrated circuit with mmc card.
It addition, small echo (Wavelet) this term, as the term suggests, " small echo " is exactly little waveform.So-called " little " refers to that he has Decay Rate;It is referred to as " ripple " and then refers to its undulatory property, the concussion form of its amplitude alternate positive and negative.Compared with converting with Fourier, wavelet transformation is the localization analysis of time (space) frequency, signal (function) is progressively carried out multi-scale refinement by flexible shift operations by him, it is finally reached high frequency treatment time subdivision, the frequency segmentation of low frequency place, can adapt to the requirement that time frequency signal is analyzed, automatically thus any details of signal can be focused on, solve the difficult problem of Fourier conversion, become the important breakthrough in scientific method since the Fourier that continues converts.Someone calls " school microscop " wavelet transformation.
The theoretical research that the application of wavelet analysis is with wavelet analysis is bound tightly together ground.He achieves the achievement attracted people's attention at scientific and technological information industrial field.Electronic information technology is a field important in six big new and high technologies, and his importance is image and signal processing.Now, signal processing has become as the pith of contemporary science and technology work, and the purpose of signal processing be exactly: analyze accurately, diagnosis, compression coding and quantization, quickly transmission or storage, accurately reconstruct (or recovery).From mathematically angle, signal and image procossing can be unified to regard signal processing (image can be regarded as 2D signal) as, in many application of the many analyses in wavelet analysis ground, can be attributed to signal processing problems.Being stablize constant signal in time for its character, the ideal tools of process remains Fourier analysis.But most signals in actual applications are non-stable, and the instrument being particularly well-suited to astable signal is exactly wavelet analysis.
Adopt hematology's integral type nursing bed of the present invention, cannot be the technical problem that the patient fallen from sick bed carries out urgent rescue for prior art, carry out testing result comprehensively analyze by adding high-precision multiple detection equipment, effectively to judge whether patient falls, the warning device being additionally added necessity is reported to the police, and is also added into special emergency reaction equipment to carry out urgent rescue when patient falls simultaneously.
Although it is understood that the present invention discloses as above with preferred embodiment, but above-described embodiment is not limited to the present invention.For any those of ordinary skill in the art, without departing under technical solution of the present invention ambit, all may utilize the technology contents of the disclosure above and technical solution of the present invention is made many possible variations and modification, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content without departing from technical solution of the present invention, the technical spirit of the foundation present invention, to any simple modification made for any of the above embodiments, equivalent variations and modification, all still falls within the scope of technical solution of the present invention protection.

Claims (7)

1. hematology's integral type nursing bed, including sick bed and alarm platform, it is characterized in that, described platform includes ejecting gun, target identification equipment, infrared detection equipment and Freescale IMX6 and processes equipment, Freescale IMX6 processes equipment and is connected with ejecting gun, target identification equipment and infrared detection equipment respectively, and determining whether for the output of based target identification equipment and the output of infrared detection equipment can Pop-up netting main body by ejecting gun injection.
2. hematology as claimed in claim 1 integral type nursing bed, it is characterised in that described platform includes:
Netting collecting apparatus, is positioned at below sick bed, for cylindrical vessel, and can Pop-up netting main body for storage;
Ejecting gun, process equipment with Freescale IMX6 respectively and can Pop-up netting main body be connected, be positioned at netting collecting apparatus rear portion, for receive fall triggering signal time, Pop-up netting main body will can be ejected into the side of sick bed and be in open mode in netting collecting apparatus;
Can Pop-up netting main body, before not injected rifle sprays, remain in netting collecting apparatus and be in contraction state, for sick bed being fallen when being injected into the side of sick bed and being in open mode, human body is protected;
Weight rate detection equipment, it is positioned at position, sick bed bed board downside, including weight detector and timer, weight detector load weight on detection sick bed bed board in real time, weight rate detection equipment determines the load weight rate of change on sick bed bed board based on the output of weight detector and the output of timer, when load weight rate of change is more than default rate of change, send weight change early warning signal, when load weight rate of change is less than or equal to default rate of change, send weight change normal signal;
Gun-type picture pick-up device, is positioned at the side of sick bed bed board, and ward bed side shoots with horizontal shooting direction to obtain high definition side image dorsad;
Gray processing processes equipment, is connected with gun-type picture pick-up device, is used for receiving high definition side image, and high definition side image performs gray processing process, to obtain gray level image;
Contrast strengthens equipment, processes equipment with gray processing and is connected, is used for receiving gray level image, and gray level image is carried out contrast enhancement processing, to obtain the first enhancing image;
Change of scale strengthens equipment, strengthens equipment with contrast and is connected, and is used for receiving the first enhancing image, and the first enhancing image is carried out change of scale enhancement process, to obtain the second enhancing image;
Edge strengthens equipment, strengthens equipment with change of scale and is connected, and is used for receiving the second enhancing image, and the second enhancing image is carried out edge enhancement process, to obtain the 3rd enhancing image;
nullImage compares equipment,Equipment is strengthened respectively with edge、Haar wavelet filtering equipment、Daubechies wavelet filtering equipment and self adaptation recursive filtering equipment connect,When strengthening equipment from edge and receiving the 3rd enhancing image,First start Haar wavelet filtering equipment to be filtered processing to obtain the first filtering image to the 3rd enhancing image,Determine that mean square error that the first filtering image and the 3rd strengthens between image is using as the first mean square error,When the first mean square error is less than or equal to default square mean error amount,First filtering image is exported as target filtering image,When the first mean square error is more than default square mean error amount,Start Daubechies wavelet filtering equipment to be filtered processing to obtain the second filtering image to the 3rd enhancing image,Determine that mean square error that the second filtering image and the 3rd strengthens between image is using as the second mean square error,When the second mean square error is less than or equal to default square mean error amount,Second filtering image is exported as target filtering image,When the second mean square error is more than default square mean error amount,Continue to start self adaptation recursive filtering equipment to be filtered processing to obtain the 3rd filtering image to the 3rd enhancing image,Determine that mean square error that the 3rd filtering image and the 3rd strengthens between image is using as the 3rd mean square error,When the 3rd mean square error is less than or equal to default square mean error amount,3rd filtering image is exported as target filtering image,When the 3rd mean square error is more than default square mean error amount,Determine that mean square error that the second filtering image and the 3rd strengthens between image is using as the second mean square error,Select the first mean square error、The filtering image corresponding to mean square error that in second mean square error and the 3rd mean square error, numerical value is minimum exports as target filtering image,It is then turned off Haar wavelet filtering equipment、Daubechies wavelet filtering equipment and self adaptation recursive filtering equipment;
Haar wavelet filtering equipment, adopts the wavelet filtering based on 2 rank Haar wavelet basiss to process for strengthening image to the 3rd, to obtain the first filtering image;
Daubechies wavelet filtering equipment, adopts the wavelet filtering based on 2 rank Daubechies wavelet basiss to process for strengthening image to the 3rd, to obtain the second filtering image;
Self adaptation recursive filtering equipment, performs adaptive-filtering process for strengthening image to the 3rd, to obtain the 3rd filtering image;
Binary conversion treatment equipment, compare equipment with image respectively and mmc card is connected, the gray value of each pixel of target filtering image and black and white threshold value are respectively compared, when the gray value of pixel is more than black and white threshold value, pixel is designated as white pixel, when the gray value of pixel is less than black and white threshold value, pixel is designated as black picture element, thus obtaining binary image;
Object detection apparatus, it is connected with binary conversion treatment equipment and mmc card respectively, for to binary image, calculate the number of each column black picture element, the number of black picture element is designated as edge columns be more than or equal to the row of threshold number of pixels, it is additionally operable to binary image, calculate the number of each row black picture element, the number of black picture element is designated as edge lines be more than or equal to the row of threshold number of pixels, region edge columns and edge lines interweaved is as target domain of the existence, and is partitioned into target domain of the existence from binary image to export as target subimage;
Target identification equipment, is connected with mmc card and object detection apparatus respectively, is mated with each benchmark human body image by target subimage, and the match is successful then sends and there is human body signal, and it fails to match then sends without human body signal;
Civil power access interface, is connected with line, for receiving the Alternating Current Power Supply signal of line input;
Current transformer and sample circuit, be connected with the A phase line in line, B phase line and C phase line, for the current signal in A phase line, B phase line and C phase line is sampled respectively;
Voltage sample circuit, is connected with the A phase line in line, B phase line and C phase line, for the voltage signal in A phase line, B phase line and C phase line is sampled respectively;
Current signal conditioning circuit, is connected with current transformer and sample circuit, for sampling current is carried out signal condition;
Voltage signal conditioning circuit, is connected with voltage sample circuit, for sampling voltage is carried out signal condition;
AD73360 chip, it is connected with current signal conditioning circuit and voltage signal conditioning circuit respectively, sampling voltage after sampling current after conditioning and conditioning is performed respectively 16 A/D conversions, obtain digital current signal and digital voltage signal, be additionally based upon digital current signal and digital voltage signal determines the virtual value of digital current signal and the virtual value of digital voltage signal;
Alternating Current Power Supply conversion equipment, is connected with the A phase line in line, B phase line and C phase line, is used for performing alternating current to galvanic conversion;
Display device, is connected with AD73360 chip, for the virtual value of the virtual value of real-time display digit current signal and digital voltage signal;
Infrared detection equipment, is positioned at the side of sick bed bed board, for detecting whether there is the object side process from sick bed bed board, and detect object from the side of sick bed bed board through out-of-date, send object and skim over signal;
Solar energy detection equipment, is positioned on the exterior wall of place, ward building, for the solar energy intensity that detection in real time is current;
Power supply unit, including solar powered device, accumulator, switching switch and electric pressure converter, switching switch detects equipment with solar energy respectively, solar powered device and accumulator connect, when the not enough and current solar energy intensity of the dump energy of accumulator is optionally greater than preset strength, it is switched to solar powered device to be powered by solar powered device, electric pressure converter is connected with switching switch, so that the 5V voltage inputted by switching switch is converted to 3.3V voltage, wherein solar powered device is positioned on the exterior wall of place, ward building, solar powered device includes solar energy photovoltaic panel;
Sound and light alarm equipment, processes equipment with Freescale IMX6 and is connected, including audible alarm subset and light warning subset for receive fall trigger signal or fall early warning signal time carry out corresponding sound and light alarm operation;
User input device, is connected with mmc card, for, under the operation of user, inputting preset content in mmc card;
Freescale IMX6 processes equipment, it is connected with gun-type picture pick-up device, ejecting gun, weight rate detection equipment, target identification equipment and infrared detection equipment respectively, after receiving weight change early warning signal, start gun-type picture pick-up device, subsequently receive exist human body signal and receive object skim over signal time, send the triggering signal that falls, receive without human body signal and receive object skim over signal time, send the early warning signal that falls, and do not receive object and skim over signal and receive only and there is human body signal, send the early warning signal that falls;
Mmc card, for having prestored each benchmark human body image, each benchmark human body image is that the benchmark human body to the different bodily forms shoots the image obtained in advance, is additionally operable to prestore default square mean error amount, black and white threshold value, threshold number of pixels and default rate of change;
Wireless charging device, detect equipment with solar energy respectively and accumulator is connected, when the not enough and current solar energy intensity of the dump energy of accumulator is lower than preset strength, setting up with neighbouring wireless charging terminal and be connected to start wireless charging operation, wireless charging device is also connected with electric pressure converter to realize voltage conversion.
3. hematology as claimed in claim 2 integral type nursing bed, it is characterised in that:
User input device is keyboard array.
4. hematology as claimed in claim 2 integral type nursing bed, it is characterised in that:
Infrared detection equipment includes RF transmitter and infrared receiver.
5. hematology as claimed in claim 4 integral type nursing bed, it is characterised in that:
Infrared detection equipment includes microcontroller.
6. hematology as claimed in claim 5 integral type nursing bed, it is characterised in that:
Microcontroller is AT89C51 single-chip microcomputer.
7. the hematology's integral type nursing bed as described in as arbitrary in claim 2-6, it is characterised in that:
Freescale IMX6 processes equipment and is integrated on one piece of surface-mounted integrated circuit with mmc card.
CN201610349839.5A 2016-05-24 2016-05-24 A kind of hematology's integral type care bed Active CN105769471B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610349839.5A CN105769471B (en) 2016-05-24 2016-05-24 A kind of hematology's integral type care bed
CN201710899758.7A CN107582303A (en) 2016-05-24 2016-05-24 A kind of hematology's integral type operation table

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610349839.5A CN105769471B (en) 2016-05-24 2016-05-24 A kind of hematology's integral type care bed

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201710899758.7A Division CN107582303A (en) 2016-05-24 2016-05-24 A kind of hematology's integral type operation table

Publications (2)

Publication Number Publication Date
CN105769471A true CN105769471A (en) 2016-07-20
CN105769471B CN105769471B (en) 2018-02-27

Family

ID=56380225

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201610349839.5A Active CN105769471B (en) 2016-05-24 2016-05-24 A kind of hematology's integral type care bed
CN201710899758.7A Withdrawn CN107582303A (en) 2016-05-24 2016-05-24 A kind of hematology's integral type operation table

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201710899758.7A Withdrawn CN107582303A (en) 2016-05-24 2016-05-24 A kind of hematology's integral type operation table

Country Status (1)

Country Link
CN (2) CN105769471B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106545263A (en) * 2016-10-25 2017-03-29 潘连香 intelligent DC motor control platform

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109034072A (en) * 2018-07-29 2018-12-18 张利军 Performer's bodily form computer measurement mechanism
CN109283785B (en) * 2018-12-05 2022-04-08 广东南方瑞美医疗科技有限公司 Safety portable imager
CN112686280B (en) * 2020-12-05 2021-10-15 刘成彬 Medical semiconductor cold knife control platform

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006136521A (en) * 2004-11-12 2006-06-01 Paramount Bed Co Ltd Storage type side fence in stand to lie on back such as bed
CN101313877A (en) * 2008-05-07 2008-12-03 上海理工大学 Intellectual nursing bed with anti-drop function
CN103536284A (en) * 2013-07-23 2014-01-29 王俊波 Domestic multifunctional infant safety monitoring system
CN103549801A (en) * 2013-11-09 2014-02-05 中安消技术有限公司 Falling prevention device and nursing system
CN203552411U (en) * 2013-09-24 2014-04-16 中国人民解放军总医院 Anti-falling off-bed alarm system
WO2015067979A1 (en) * 2013-11-06 2015-05-14 Ideassociates (Iom) Ltd A bed
CN104684465A (en) * 2012-07-12 2015-06-03 菲力尔***公司 Infant monitoring systems and methods using thermal imaging
CN105488955A (en) * 2015-12-11 2016-04-13 哈尔滨墨医生物技术有限公司 A security alarm system for wards
CN105575047A (en) * 2016-02-06 2016-05-11 马美丽 Ward risk early warning system and early warning method thereof
CN105582626A (en) * 2014-11-03 2016-05-18 沈阳创达技术交易市场有限公司 Device for automatically receiving object falling from high altitude

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006136521A (en) * 2004-11-12 2006-06-01 Paramount Bed Co Ltd Storage type side fence in stand to lie on back such as bed
CN101313877A (en) * 2008-05-07 2008-12-03 上海理工大学 Intellectual nursing bed with anti-drop function
CN104684465A (en) * 2012-07-12 2015-06-03 菲力尔***公司 Infant monitoring systems and methods using thermal imaging
CN103536284A (en) * 2013-07-23 2014-01-29 王俊波 Domestic multifunctional infant safety monitoring system
CN203552411U (en) * 2013-09-24 2014-04-16 中国人民解放军总医院 Anti-falling off-bed alarm system
WO2015067979A1 (en) * 2013-11-06 2015-05-14 Ideassociates (Iom) Ltd A bed
CN103549801A (en) * 2013-11-09 2014-02-05 中安消技术有限公司 Falling prevention device and nursing system
CN105582626A (en) * 2014-11-03 2016-05-18 沈阳创达技术交易市场有限公司 Device for automatically receiving object falling from high altitude
CN105488955A (en) * 2015-12-11 2016-04-13 哈尔滨墨医生物技术有限公司 A security alarm system for wards
CN105575047A (en) * 2016-02-06 2016-05-11 马美丽 Ward risk early warning system and early warning method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106545263A (en) * 2016-10-25 2017-03-29 潘连香 intelligent DC motor control platform

Also Published As

Publication number Publication date
CN107582303A (en) 2018-01-16
CN105769471B (en) 2018-02-27

Similar Documents

Publication Publication Date Title
US20230405343A1 (en) Wearable cardiac defibrillator system authenticating person actuating cancel switch
CN105769471A (en) Integral nursing bed for hematology department
US9789327B2 (en) Wearable cardiac defibrillator receiving inputs by being deliberately tapped and methods
US6658290B1 (en) Public access defibrillator
CN106038149B (en) Gynemetrics's bed special
CN105943275A (en) An anti-falling sickbed for the department of pediatrics
KR20120139738A (en) Defibrillator display
CN105943270B (en) Strengthen gynemetrics's sick bed of protection
CN105943272B (en) Care bed for department of cardiology
CN105943274A (en) A clinical nursing ward bed
CN105943273A (en) Cloud computing system
CN105919745B (en) A kind of sick bed for medical department
CN106038146B (en) One kind blood sampling sick bed
CN106038145B (en) A kind of Ultrasonography examination couch
CN105943271B (en) A kind of clinical laboratory sampling bed
CN108969227A (en) Clinical care hospital bed
CN207384251U (en) A kind of health monitoring instrument
CN106038147A (en) Examination bed for orthopedics department

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant