CN212394927U

CN212394927U - Blood sample extraction system capable of interacting with hospital information system and blood testing equipment

Info

Publication number: CN212394927U
Application number: CN202022021721.4U
Authority: CN
Inventors: 阮雪红; 崔伟伟; 阮东耀
Original assignee: Xi'an Winziss Medical Group Co ltd
Current assignee: Xi'an Winziss Medical Group Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-01-26
Anticipated expiration: 2030-09-16

Abstract

The invention relates to a blood sample extraction system capable of interacting with a hospital information system and blood test equipment, which mainly comprises a core control unit (1), a communication module, an information identification module (2), a limb bundling unit (4), a dynamometer (6), an optical development module (7), a blood sample swing device (8), a human-computer interaction interface (9) and a protective shell (10). The application of the embodiment of the disclosure improves the efficiency of blood sample extraction, shortens the waiting time of patients in line, lightens the labor intensity of medical personnel, improves the accuracy of patient inspection information, and improves the informatization level of the blood sample extraction process.

Description

Blood sample extraction system capable of interacting with hospital information system and blood testing equipment

Technical Field

The embodiment of the disclosure relates to a blood sample extraction system capable of interacting with a hospital information system and blood test equipment, and belongs to medical instruments used in the process of extracting blood samples of patients for testing in clinical institutions.

Background

The examination of drawing a blood sample (blood sample for short) from a patient is the most common technical means in clinical medicine. The existing blood sample extraction method is that a nurse bundles the arm of a patient by using a rubber strip or a bundling belt, searches for a proper blood vessel puncture point in the part of the patient trapped for sterilization, respectively extracts blood samples by using blood collection tubes with different performances, and shakes the blood samples uniformly; during the period, the patient information label is required to be printed, the label is adhered to the outer wall of the blood collection tube, and the blood collection tube is sent for inspection after the completion. In recent years, with the continuous improvement of the economic level and health consciousness of China, the number of patients in hospitals at all levels in China is greatly increased, blood drawing inspection becomes a link with the largest flow of people in the hospitals, medical staff at a blood drawing window needs to check patient information at high frequency, tie up and stop bleeding, sterilize, puncture, loose and tie up strapping tapes, draw blood samples, make labels, label a blood collection tube, shake evenly, collect blood samples and other operations, and the labor intensity of the medical staff is high, and the efficiency is not high. To this end, embodiments of the present disclosure provide a blood sample extraction system that can interact with a hospital information system and a blood testing device.

Disclosure of Invention

The embodiment of the utility model relates to a blood sample extraction system that can interact with hospital information system and blood test equipment mainly comprises core control unit, communication module, information identification module, limbs tying up unit, dynamometer, optics development module, blood sample rocker, human-computer interaction interface and protecting sheathing, wherein:

the core control unit is an integrated circuit developed based on a core processor and comprises a signal processing module, a power management module, a storage module and the like; the core processor may be any one of a Central Processing Unit (CPU), a Micro Control Unit (MCU), or a Programmable Logic Controller (PLC). The core control unit is communicated with the information identification module, the communication module, the label pasting unit, the limb binding unit, the dynamometer, the optical developing module, the blood sample wobbler and the human-computer interaction interface, and works cooperatively.

The communication module is used for communication interaction with a hospital information system and blood test equipment, and the communication module is communicated with the core control unit and the human-computer interaction interface to work cooperatively. Specifically, the communication module sends patient identification information to the hospital information management system, and after the patient identification information is confirmed, the communication module downloads the patient information from the hospital information management system, wherein the patient information specifically comprises the patient identification information, the number of blood samples to be extracted, examination items and other contents; after the blood sample extraction is completed, the communication module sends the item content and the number of the blood sample required to be tested by the patient to the blood testing equipment. The hospital information system comprises a hospital information management system (HIS), a hospital examination information management system (LIS), a clinical medical information system (CIS), a patient management system (PAS) and a Clinical Workstation System (CWS); the blood test equipment comprises pipelining blood sample test equipment supporting Siemens, Beckman, Delrin, Roche, Sysmex and the like. The communication module is a conventional integrated module, including but not limited to a Wifi module, a Zigbee module, and a bluetooth module.

The information identification module is mainly used for identifying and reading patient information, an RFID identifier or a code scanning camera is adopted as the information identification module, and the information identification module cooperates with the communication module, the hospital information system and the human-computer interaction interface. The RFID identifier is also called a radio frequency Reader (Reader), when a visiting card (RFID card) or an electronic Tag (Tag) written with patient information approaches the RFID identifier, the communication module sends patient identification information to a hospital information management system, the patient information is downloaded after the identification is successful, the patient information is read out by a man-machine interaction interface, and medical staff checks the patient information by the man-machine interaction interface. With the development and maturity of the internet of things technology, the code scanning identification technology is widely applied, in another application case, the information identification module adopts a code scanning camera to scan patient identification information (bar codes or two-dimensional codes and the like) distributed by a hospital, the communication module sends the patient identification information to a hospital information management system, the patient information is downloaded after the identification is successful, the patient information is read by a human-computer interaction interface, and medical staff checks the patient information on the human-computer interaction interface.

The limb binding unit mainly comprises a binding belt, an unwinding wheel, a guide roller, a driving roller, a tightening wheel, a motor, a braking device, a cutter and a belt storage box. The strapping tape is a disposable consumable for strapping the limbs of a patient when blood samples are taken, is an essential component of the limb strapping unit, and is supplemented after being used. The strapping tape is generally made of flexible medical polymer materials such as PE, PET and the like or special fibers, and is usually packaged in a reel type, wherein the width of the strapping tape is about 5mm to 10mm, the thickness of the strapping tape is 0.2mm to 0.5mm, and the length of the strapping tape is 100m to 300 m. The unwinding wheel is a driven wheel and is used for installing and fixing the strapping tape; the guide roller consists of an upper guide roller and a lower guide roller, and the guide roller can guide and position the strapping tape; the driving roller consists of a group of driving friction wheels, and the strapping tape passes through the middle of the driving roller and is used for driving the strapping tape to advance; the tightening wheel is a driving wheel driven by a motor and is used for tightening the strapping tape; the braking device is used for conveying the strapping tape and braking the strapping tape after tightening, and the common method is to clamp and fix the head and the tail of the strapping tape by adopting a clamp, a chuck, a mechanical gripper and the like so as to prevent the strapping tape from displacing again; the cutter is used for cutting off the strapping tape after blood sample extraction is finished, and secondary use of the strapping tape is avoided; the tape storage box is used for collecting the cut strapping tapes, adopts a drawer type structure, and empties the tape storage box after the tape storage box is fully collected.

The dynamometer is a metering device for dynamically monitoring the tension value of the strapping tape in the strapping process, and the dynamometer is communicated with the core control unit and the limb strapping unit and works cooperatively. The specific mode that the core control unit is communicated and the dynamometer and the limb binding unit work cooperatively is that the core control unit is provided with a preset tension value, the preset tension value refers to a tension parameter which can generally meet the binding tightness of a patient when the patient draws a blood sample, and for example, the preset tension value is set to be 16 +/-2 Kpa. When the binding is started, the core control unit instructs the limb binding unit to tighten the binding belt according to a preset tension value, the dynamometer dynamically monitors the instant tension of the binding belt and feeds back the instant tension value of the binding belt to the core control unit, the core control unit compares the received tension value with the preset value until the instant tension value is consistent with the preset tension value, the limb binding unit stops working, and the human-computer interaction interface prompts the completion of the binding in an acousto-optic and electric mode.

It can be understood that due to the individual differences of patients (fat and thin, thick and thin blood vessels, degree of bulging of blood vessels, etc.), the preset tension value in the core control unit cannot meet the bundling requirement of all patients. Therefore, the limb bundling unit is also provided with a tightness fine-tuning switch, the tightness fine-tuning switch is used for adjusting the tightness of the bundling belt for the second time after the bundling is finished, and the tightness fine-tuning switch is communicated with the core control unit and the limb bundling unit for working. The setting mode of the tightness fine-tuning switch is various, for example, an encoder, an add-subtract key, a dial switch or a roller switch can be arranged on a human-computer interaction interface. One of the setting modes of the tightness fine-tuning switch is selected as an example, an encoder is arranged on a human-computer interaction interface to serve as the tightness fine-tuning switch, and medical staff operate the encoder to perform secondary tightness adjustment after bundling is completed through clockwise or anticlockwise rotation. If the blood vessel bulge degree of the limb of the patient cannot meet the requirement of blood sample extraction after the binding is finished, the medical staff slowly rotates the encoder clockwise, and the core control unit instructs the limb binding unit to continuously and slowly tighten the binding belt until the tightness degree meets the requirement of blood sample extraction; on the contrary, if the patient cannot tolerate the overload of the self-tension after the binding is finished, the medical staff slowly rotates the encoder anticlockwise, and the core control unit instructs the limb binding unit to slowly loosen the binding belt until the patient can tolerate the degree of tightness.

The label pasting unit is mainly composed of an automatic labeling module and a printing module and used for printing a blood sample label to be checked and pasting a label on the periphery of the blood sampling tube, and the sequence of the automatic labeling module and the printing module is not limited. The label pasting unit works in cooperation with the core control unit and the man-machine interaction interface, medical staff click a label printing function key after checking that the information of the patient is correct on the man-machine interaction interface, and the core control unit instructs the label pasting unit to start working to finish label printing and pasting. Automatic paste mark module mainly comprises unreeling wheel, guide roll, drive roller, rolling wheel, direct current motor, stripper plate and subsides mark roller, wherein: the unwinding wheel is a driven wheel and is used for placing the reel label; the buffer wheel is used for absorbing the tension force of the reel label when the label is started, and keeping the label in contact with each roller to prevent the label from being broken; the guide roller consists of an upper roller and a lower roller and is used for completing the functions of guiding and positioning the reel label; the driving roller consists of a group of driving friction wheels, generally one is a rubber roller, the other is a metal roller, and the label passes through the middle of the driving roller and is used for driving a reel material to realize normal labeling; the winding wheel is a driving wheel driven by a direct current motor and is used for rewinding the labeled base paper; the stripping plate is used for enabling the label to be out of the label and be separated from the base paper, so that the label is contacted with a labeled object; the labeling roller uniformly and flatly pastes the label separated from the base paper on the peripheral surface of the blood collection tube; the printing module is used for printing label information, and the printing module adopts a universal label printing component, including printing components such as ink-jet printing, ribbon printing or laser.

In order to facilitate medical staff to quickly select a proper puncture site, the embodiment of the disclosure is further provided with an optical developing module. The optical developing module mainly comprises a vein developing light source, a light-gathering cover and a position adjusting device, and is communicated with the core control unit and the human-computer interaction interface to work cooperatively. The vein imaging light source is turned on or off through a corresponding control key of the human-computer interaction interface, or is turned off at regular time according to the time length set by the core control unit, for example, the core control unit presets that the vein imaging light source is turned on and then is automatically turned off after 10-15 seconds. The vein developing light source adopts a near infrared light source with the wavelength of 850nm, and the working mechanism is that the absorption of near infrared light by deoxyhemoglobin in peripheral tissues and veins is different, so that when the near infrared light is intensively irradiated on rich limbs of veins, the peripheral tissues and the veins show obvious different color reaction, the position and thickness of vein blood vessels can be easily and accurately judged by naked eyes of medical personnel, and a proper vein puncture part is selected to extract a blood sample. The light-gathering cover is used for focusing the vein developing light source, generally adopts a cup made of a material with good reflection performance, and is arranged at the rear position of the vein developing light source. The position adjusting device is arranged behind the light-gathering cover, can be adjusted at multiple angles from top to bottom and from left to right, and is used for adjusting the projection area, the angle and the distance of the vein developing light source. Furthermore, the core control unit, the optical developing module and the limb bundling unit are in linkage work, after the limb bundling unit finishes limb bundling, the core control unit instructs the optical developing module to actively start work, the vein developing light source is automatically lightened, and after the medical staff finishes puncture, the vein developing light source is manually turned off or is turned off at regular time.

In order to prevent the blood sample from layering or precipitating, a blood sample swing device is further arranged in the embodiment of the disclosure, the blood sample swing device is used for shaking the blood sample uniformly in the blood collection tube, and the blood sample swing device is communicated with the core control unit and the human-computer interaction interface and works cooperatively. The core control unit is provided with a shaking program of the blood sample wobbler, for example, the shaking program of the blood sample wobbler is that the blood sample wobbler rotates forwards once and rotates backwards once alternately, or rotates backwards once and rotates forwards once and continuously and alternately turns over 8 times; medical personnel open the control key that sways of human-computer interaction interface, and core control unit instruction blood specimen rocker carries out work according to the even procedure of shaking of predetermineeing. The blood sample wobbler mainly comprises a fixed frame, a rotating shaft, a motor and an induction device, wherein the fixed frame is used for fixedly placing blood sampling tubes, the fixed frame is prepared into a test tube inserting frame structure, and 2-5 circular blood sampling tube sockets are arranged in the middle of the fixed frame; the outer diameter and the length of the blood collection tube socket are matched, and the specific size of the blood collection tube socket is usually 13.2mm in inner diameter and 5 mm-10 mm in depth; the heparin tube socket adopts macromolecular material or latex shaping, and heparin tube socket inner wall sets up elasticity chucking device (like spring, rubber circle etc. all can), makes the heparin tube insert easily and be difficult to deviate from. The mount is equipped with the axis of rotation, for example, the axis of rotation setting is in the left and right sides of mount, and the motor is connected with the axis of rotation of mount, and the motor drives the mount upset action through corotation or reversal in turn. The induction device is used for sensing whether the blood sampling tube is inserted, and can be a contact switch, a photoelectric induction switch (such as an infrared grating sensor) and the like; adopt a scheme of them to explain specifically below, for example, the induction system of blood sample wiggler adopts the contact switch, and the contact switch setting is at heparin tube socket inner wall, when heparin tube inserts, and the heparin tube outer wall triggers the contact switch, and the contact switch gives the core control unit with signal transmission, and the upset of core control unit instruction motor drive axis of rotation reaches after shaking even procedure set's upset number of times (for example 8 times in turn), blood sample wiggler automatic shutdown work, medical personnel take out the heparin tube can.

In order to improve the efficiency of cleaning and disinfecting the blood sample extraction part, the cleaning and disinfecting unit is further arranged in the embodiment of the disclosure, and quantitatively releases disinfectant to the puncture part for cleaning and disinfecting the puncture part of the patient. The cleaning and disinfecting unit is communicated with the core control unit and the human-computer interaction interface and works cooperatively; the core control unit is provided with a control program of the cleaning and disinfecting unit, and controls the dosage of the disinfectant released by the cleaning and disinfecting unit each time, for example, the cleaning and disinfecting unit releases 0.5ml of iodophor disinfectant when a disinfection function key is started on a human-computer interaction interface. The scheme for quantitatively releasing the disinfectant by the cleaning and disinfecting unit includes but is not limited to quantitatively outputting the disinfectant by a peristaltic pump and a piston type injector. An optional technical scheme is that the cleaning and disinfecting unit is formed by combining a peristaltic pump, an elastic tube and a disinfectant, specifically, a suction end of an elastic hose is extended into a disinfectant container and is immersed into the disinfectant, a connection part of the elastic hose and the disinfectant container is kept closed, the elastic hose is clamped into the periphery of a finger-type peristaltic row of the peristaltic pump, and an extrusion end of the elastic hose is arranged at the periphery or the lower position of an optical development module so as to be close to a blood drawing part of a patient and be good in that the blood drawing operation is not influenced; after a medical worker starts a disinfection function key of a human-computer interaction interface, a core control unit instructs a stepping motor in a peristaltic pump to drive a peristaltic bar to extrude the peristaltic bar in a fluctuating way to fill an elastic tube with disinfectant, the disinfectant is continuously output under the extrusion action, the disinfectant is extruded according to the dosage set by a control program, for example, 0.5ml of iodophor drops on the surface of a patient to be cleaned and disinfected, and the medical worker only needs to uniformly wipe a cotton swab; the core control unit of the disinfectant liquid pumped or extruded each time can be quantitatively controlled according to the pulsation speed of the peristaltic discharge. Optionally, in another scheme, a combination of a stepping motor, a piston type injector, a one-way valve and an elastic hose is adopted, and the stepping motor is communicated with a core control unit to work; the suction end of the elastic hose is extended into the disinfectant container and is immersed into the disinfectant, and the output end of the elastic hose is communicated with the piston type injector; after medical personnel start human-computer interaction interface's disinfection function key, core control unit instruction step motor drives the push rod and retreats the extraction antiseptic solution of motion, and the extraction is accomplished the back, and step motor drives the push rod and gos forward, extrudes the antiseptic solution according to the dose that control program set for, for example 0.5ml iodophor, and the antiseptic solution core control unit who extracts or extrude at every turn can be according to push rod displacement distance quantitative control. Furthermore, the end of extruding at elastic hose sets up a telescoping device, and the telescoping device adopts manual regulation or electric control not to limit, when carrying out the disinfection of blood sampling position, can adjust the interval of extruding end and puncture position of elastic hose through flexible operation, makes things convenient for medical personnel's cleaning and disinfection.

The man-machine interaction interface mainly comprises a display screen, a microphone, a loudspeaker, a volume regulator and function keys, wherein the display screen, the microphone, the loudspeaker, the volume regulator and the function keys adopt conventional electronic elements. The display screen is mainly used for displaying and reading information such as patient identity information, examination items, blood drawing sample quantity and the like, preferably, 2 display screens are arranged, one display screen is used for prompting information (such as character information of checking names, notices, fist making, relaxing and the like) to the patient in the blood drawing process; the other display screen faces the medical care personnel and is used for reading information such as patient identity information, examination items, the number of blood samples and the like by the information identification module, so that the medical care personnel can check and confirm the information conveniently. The microphone and the loudspeaker are used for communication between a medical care personnel and a patient in the blood drawing process, and the volume regulator is used for regulating the volume; the function keys are used for operating various corresponding functions in the blood drawing process, including bundling, tightness adjustment, disinfectant release, vein display opening, strapping tape cutting and the like; the function keys include, but are not limited to, contact switches, touch switches, and encoders. Preferably, in order to facilitate the operation of medical personnel, the bundling function key and the cutting-off function key adopt pedal type contact switches, the pedal type contact switches adopt lead wires to be communicated with the core control unit for working, and the core control unit controls the bundling or cutting-off function through signals fed back by the pedal type contact switches. Medical personnel adopt pedal contact switch, for example adopt binary channels contact switch, and the contact switch of left foot is tied up, the contact switch of right foot cuts off, and the left and right key of contact switch is controlled in turn, can also adopt single channel electric shock switch, steps on for the first time and ties up, steps on for the second time and cuts off, and contact switch is circulation control repeatedly.

In order to improve the efficiency of heparin tube classification management and extraction, this disclosed embodiment still is equipped with heparin tube classification management module. The blood collection tube classification management module mainly comprises blood collection tube bin boxes and a blood collection tube delivery device, wherein the blood collection tube bin boxes are marked in a partitioning manner by adopting different color codes, for example, the number of the blood collection tube bin boxes is 5-10, and 5 commonly used blood collection tube bin boxes are arranged; the specific color codes and the classified management method of the 10 blood collection tube bins are as follows: the red color code bin box is used for placing common serum pipes, the orange color code bin box is used for placing quick serum pipes, the golden color code bin box is used for placing inert separation gel procoagulant pipes, the green color code bin box is used for placing heparin anticoagulation pipes, the light green color code bin box is used for placing plasma separation pipes, the purple color code bin box is used for placing EDTA anticoagulation pipes, the light blue color code bin box is used for placing sodium citrate coagulation test pipes, the black color code bin box is used for placing sodium citrate sedimentation test pipes, the gray color code bin box is used for placing potassium oxalate/sodium fluoride test pipes, and a white color code bin box is further arranged and used for placing blank pipes (abandoning pipes) or standby pipes. The blood collection tube sending-out device is communicated with the core control unit and the human-computer interaction interface and works cooperatively; one of the selectable technical schemes is that the blood sampling tube sending-out device adopts a combination of a motor and a push rod, each combination of the motor and the push rod correspondingly controls a color code of the blood sampling tube, after medical personnel select the type and the quantity of the blood sampling tube used at this time on a human-computer interaction interface, a core control unit instructs the motor to work, the motor drives the push rod to push out the blood sampling tubes corresponding to the quantity and the type, and the efficiency of selecting the blood sampling tube by the medical personnel is improved.

The protective shell is used for isolation protection of all parts, the protective shell is formed by injection molding of high polymer materials with good strength, and the appearance and the insulating property meet the general requirements of medical electronic products.

The advantages of the disclosed embodiments are: automatic bundling, puncture position optical color development, automatic swing after blood sample extraction are accomplished etc. are realized at hospital's blood sample extraction in-process, adopt communication module and hospital information system and blood test equipment to interact simultaneously, accomplish the download of patient's inspection information, accomplish label printing. The application of the embodiment of the disclosure improves the blood sample extraction efficiency, shortens the queuing waiting time of patients, lightens the labor intensity of medical personnel, improves the accuracy of patient inspection information, improves the informatization level of the blood sample extraction process, and has good clinical popularization value and social benefit.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the disclosure

FIG. 2 is a functional block diagram of an embodiment of the present disclosure

Shown in the figure: the blood sampling tube packaging device comprises a core control unit (1), an information identification module (2), a communication module, a label pasting unit (3), a unreeling wheel (4-1) of a limb bundling unit (4), a guide roller (4-2), a tightening wheel (4-3), a cutter (4-4), a storage box (4-5), a bundling belt (5), a dynamometer (6), an optical development module (7), a blood sample swing device (8), a man-machine interaction interface (9), a protective shell (10), a blood sampling tube bin box (11), a blood sampling tube delivery device (12), a peristaltic pump (13) of a cleaning and disinfecting unit, an elastic hose (14), a disinfectant (15) and a limb support frame (16).

Detailed Description

The embodiments of the present disclosure are specifically described below with reference to the drawings and embodiments.

Example 1: examples of preparation of the examples of the disclosure

According to the structure shown in fig. 1 and the working principle shown in fig. 2, the technical requirements of the main components for preparing the embodiment of the present disclosure are as follows:

1. the core control unit (1) is an integrated circuit board card developed based on a single chip microcomputer, embedded software is burnt in the core control unit (1), and main control programs preset in the embedded software are as follows: setting the tension value of the strapping tape (5) to be 17 KPa; setting a vein developing light source to be automatically lightened after the bundling is finished, and automatically closing the vein developing light source after the vein developing light source is started for 15 seconds; setting the working procedures of the blood sample wobbler (8) to be that the blood sample wobbler rotates reversely once and rotates forwards once, and turns over 8 times continuously and alternately; the cleaning and disinfecting unit releases 0.5ml of iodophor disinfectant every time.

2. The singlechip of the core control unit (1) adopts model STC12C5A60S2/AD/PWM, and the working voltage is as follows: 3.5V.

3. The information identification module (2) adopts a hand-held bar code scanner, the resolution ratio is 1200DPI, and a USB interface is adopted to be communicated with the core control unit (1).

4. The communication module adopts a Huashuo AR9285 Wifi module, and is wireless, and the transmission speed is 150 Mbps.

5. The strapping tape (5) adopts a medical grade polypropylene resin (PP) tape, is in a reel type, has the width of 5mm and the thickness of 0.4mm, has the length of 200m per roll, and requires that the surface is soft and has no burr, and the tensile strength is not lower than 50N.

6. The dynamometer (6) adopts a Taiwan full-epitaxy/metrodyne pressure sensor with model MPS-2407 and 006AD, and the maximum measuring range is 40 KPa.

7. The motor of the limb binding unit (4) adopts a small-sized gear induction speed reduction motor of Taiwan Yongkun, the power is 6W-200W, and the speed ratio is 1/3-1/180;

8. the peristaltic pump (13) of the cleaning and disinfecting unit adopts a Korheniu single-suction peristaltic pump, the power of a motor is 6W, the voltage of the motor is DC12V, and the continuous working maximum output is 500 ml/min.

9. The vein developing light source (9) adopts a near infrared light source with the wavelength of 850nm, and is orange light.

10. The motor of the blood sample swing device (8) adopts a model of Jettison 24BYJ48 direct current motor, the voltage is 5V, and the speed reduction ratio is 1/64.

11. The display screen of human-computer interaction interface (9) is equipped with 2, and wherein just to the blue backlight screen of 10 cun LED for a display screen of patient, to one of medical personnel adopt 7 cun LED white display screens. The human-computer interaction interface (9) is provided with a self-locking power-on/power-off key, a tightness fine-adjustment switch (encoder), a disinfection key and a swinging key, a two-channel pedal contact switch is externally hung on a USB (universal serial bus) line and used as a bundling and cutting key of the bundling belt (5), the left foot starts bundling, and the right foot controls cutting of the bundling belt (5).

12. The protective shell (10) is produced by injection molding of an ABS material, the volume of the protective shell is 40cm in length, 25cm in width and 30cm in height, and the protective shell (10) is provided with a limb support frame (16) for placing an arm of a patient during blood sample extraction.

The above components are produced according to the structure of fig. 1, using common electro-mechanical product manufacturing techniques.

Example 2: examples of applications of the disclosed embodiments

1. When the limb binding unit is used for the first time, the binding belt (5) is loaded on the unwinding wheel (4-1) of the limb binding unit (4), the head of the binding belt (1) is sequentially drawn out along the guide roller (4-2), the driving roller, the tightening wheel (4-3) and the track of the cutter (4-4), the core control unit (1) gives a starting signal, the motor drives the driving roller to wind the head of the binding belt (5), and the binding belt (5) forms an O-shaped ring with the diameter of about 10cm above the limb supporting frame (16).

2. When the blood drawing operation is performed, according to the guidance of medical care personnel, the patient stretches the left arm (with the elbow joint upwards) into the O-shaped ring and puts the arm flat on the limb support frame (16).

3. Medical personnel step on the contact switch with the left foot behind the patient arm adjustment to the correct position, and core control unit (1) limbs are tied up unit (4) and are started to tie up, and strapping (5) tighten up, dynamometer (6) dynamic monitoring strapping (5)'s pulling force, and after the pulling force reached 17KPa, arresting gear chucking strapping (5), strapping (5) keep tying up taut state. If the strapping tape (5) is too tight or too loose, the medical staff can operate the tightness fine-tuning switch to perform secondary tightness adjustment of the strapping tape (5).

4. After the bundling of the bundling belt (5) is finished, the vein developing light source is automatically turned on, so that the vein of the part of the patient needing puncturing is clearly developed, and the medical staff can conveniently select the optimal puncturing part. If the part irradiated by the vein developing light source (9) deviates, the medical staff can adjust the angle or the interval of the light source, and the light source can be automatically turned off after 15 seconds.

5. A disinfection key is started on a human-computer interaction interface (9), 0.5ml of iodophor disinfectant is extruded by a peristaltic pump (13) of the cleaning and disinfecting unit and drops on the puncture part, and medical staff adopt cotton swabs to wipe and disinfect. Then, a proper puncture site is found at the disinfection site, and a corresponding blood collection tube is selected from a blood collection tube bin box (11) to extract a blood sample.

6. After the blood drawing is finished, the blood sampling tube filled with the blood sample is placed into the blood sample swing device (8), the swing key is started, the blood sample swing device (8) starts to work, the swing is automatically stopped for 8 times, and the blood sample drawing process is finished.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention.

Claims

1. A blood sample extraction system capable of interacting with a hospital information system and blood test equipment mainly comprises a core control unit (1), a communication module, an information identification module (2), a limb bundling unit (4), a dynamometer (6), an optical development module (7), a blood sample swing device (8), a human-computer interaction interface (9) and a protective shell (10), wherein the core control unit (1) is communicated with the information identification module (2), the communication module, the limb bundling unit (4), the dynamometer (6), the optical development module (7), the blood sample swing device (8) and the human-computer interaction interface (9); the method is characterized in that: the core control unit (1) is an integrated circuit developed based on a core processor and comprises a signal processing module, a power management module and a storage module; the information identification module (2) adopts an RFID identifier or a code scanning camera; the limb binding unit (4) mainly comprises a binding belt, an unwinding wheel, a guide roller, a driving roller, a tightening wheel, a motor, a braking device, a cutter and a belt storage box; the limb binding unit (4) is also provided with a tightness fine adjustment switch; the optical developing module (7) mainly comprises a vein developing light source, a light-gathering cover and a position adjusting device; the blood sample swing device (8) mainly comprises a fixed frame, a rotating shaft, a motor and an induction device.

2. A blood sample extraction system capable of interacting with hospital information systems and blood testing equipment according to claim 1, further characterized by: the label pasting and writing device is also provided with a label pasting and writing unit (3), wherein the label pasting and writing unit (3) mainly comprises an automatic labeling module and a printing module.

3. A blood sample extraction system capable of interacting with hospital information systems and blood testing equipment according to claim 1, further characterized by: the induction device of the blood sample swing device (8) adopts a contact switch which is arranged on the inner wall of the blood collection tube socket.

4. A blood sample extraction system capable of interacting with hospital information systems and blood testing equipment according to claim 1, further characterized by: the cleaning and disinfecting unit adopts the combination of a peristaltic pump (13), an elastic hose (14) and a disinfectant (15).

5. A blood sample extraction system capable of interacting with hospital information systems and blood testing equipment according to claim 1, further characterized by: still be equipped with heparin tube classification management module, heparin tube classification management module mainly constitute by heparin tube storehouse box (11) and heparin tube send-out device (12), heparin tube storehouse box (11) adopt different color codes to carry out the subregion mark.

6. A blood sample extraction system capable of interacting with hospital information systems and blood testing equipment according to claim 1, further characterized by: the blood sampling tube sending-out device (12) adopts the combination of motors and push rods, and each motor and push rod combination correspondingly controls the blood sampling tube with a color code.