CN111839538A - Intelligent blood sampling robot - Google Patents
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- CN111839538A CN111839538A CN202010507310.8A CN202010507310A CN111839538A CN 111839538 A CN111839538 A CN 111839538A CN 202010507310 A CN202010507310 A CN 202010507310A CN 111839538 A CN111839538 A CN 111839538A
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- 238000010241 blood sampling Methods 0.000 title claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 63
- 239000000523 sample Substances 0.000 claims abstract description 41
- 239000008280 blood Substances 0.000 claims description 72
- 210000004369 blood Anatomy 0.000 claims description 72
- 230000005611 electricity Effects 0.000 claims description 2
- 208000015181 infectious disease Diseases 0.000 abstract description 5
- 210000003462 vein Anatomy 0.000 description 22
- 210000004204 blood vessel Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
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- 238000006467 substitution reaction Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150748—Having means for aiding positioning of the piercing device at a location where the body is to be pierced
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/15003—Source of blood for venous or arterial blood
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- A—HUMAN NECESSITIES
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- A61B5/150007—Details
- A61B5/150175—Adjustment of penetration depth
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
- A61B5/150274—Manufacture or production processes or steps for blood sampling devices
- A61B5/15029—Manufacture or production processes or steps for blood sampling devices for driving devices, i.e. means for driving the piercing element
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- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4887—Locating particular structures in or on the body
- A61B5/489—Blood vessels
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/70—Means for positioning the patient in relation to the detecting, measuring or recording means
- A61B5/702—Posture restraints
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- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
- A61B8/0833—Detecting organic movements or changes, e.g. tumours, cysts, swellings involving detecting or locating foreign bodies or organic structures
- A61B8/085—Detecting organic movements or changes, e.g. tumours, cysts, swellings involving detecting or locating foreign bodies or organic structures for locating body or organic structures, e.g. tumours, calculi, blood vessels, nodules
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/52—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/5215—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data
- A61B8/5223—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data for extracting a diagnostic or physiological parameter from medical diagnostic data
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Abstract
The invention relates to the technical field of robots, and discloses an intelligent blood sampling robot which comprises a workbench, support columns symmetrically arranged on the workbench, a blood sampling needle, a rotating table, a first rotating frame, a control system, a three-axis movement mechanism, an ultrasonic probe, an infrared camera and a laser range finder, wherein the three-axis movement mechanism, the ultrasonic probe, the infrared camera and the laser range finder are electrically connected with the control system, an arm placing groove is formed between the two support columns on the workbench, the three-axis movement mechanism is movably connected to the two support columns, the infrared camera and the rotating table are both arranged on the three-axis movement mechanism, the first rotating frame is rotatably connected to the rotating table, the blood sampling needle is in angle-adjustable sliding connection with one end of the first rotating frame, and the ultrasonic probe and the laser range finder are arranged at the other end of the first rotating. The intelligent blood sampling robot provided by the invention improves the success rate of blood sampling, improves the blood sampling efficiency and avoids infection of medical personnel.
Description
Technical Field
The invention relates to the technical field of robots, in particular to an intelligent blood sampling robot.
Background
At present, the domestic medical environment mostly realizes the automation, but the blood sampling still adopts the mode of nurse's manual blood sampling. When blood is collected by the artificial vein blood collection method, the problems of large workload, complex process, difficult finding of blood vessels, influence on the success rate of blood collection and the like exist, not only is inconvenience brought to the work of medical personnel, but also the pain of patients is increased. Meanwhile, thousands of people in China occupy the number of nurses and are ranked the sixth from the last world, and the shortage of nurses becomes the normal state of each large hospital. This further affects blood collection efficiency. In addition, in the blood sampling process, the medical care personnel and the patient cannot be in contact with each other or exposed, so that the risk of germ infection exists, and the problem of potential safety hazard of medical care occupational is solved.
Disclosure of Invention
In order to solve the technical problems, the invention provides an intelligent blood sampling robot, which improves the success rate of blood sampling, improves the blood sampling efficiency and avoids infection of medical staff.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides an intelligence blood sampling robot, including workstation, symmetry set up support column, blood taking needle, revolving stage, first swivel mount, control system on the workstation, with triaxial moving mechanism, ultrasonic transducer, infrared camera and the laser range finder that the control system electricity is connected, lie in two on the workstation be equipped with the arm standing groove between the support column, the movably connection of triaxial moving structure is two on the support column, infrared camera reaches the revolving stage all sets up on the triaxial moving mechanism, first swivel mount rotates to be connected on the revolving stage, blood taking needle angularly adjustable ground sliding connection in the one end of first swivel mount, ultrasonic transducer reaches the laser range finder sets up the other end of first swivel mount.
Preferably, the three-axis movement mechanism comprises an X-axis movement mechanism slidably connected to the support column, a Y-axis movement mechanism slidably connected to the X-axis movement mechanism, and a Z-axis movement mechanism slidably connected to the Y-axis movement mechanism, and the rotary table is fixedly connected to the lower side of the Z-axis movement mechanism.
Preferably, the X-axis movement mechanism comprises an X-axis main body arranged on any one of the support columns, an X-axis sliding block and an X-axis lead screw which are connected in a rotating mode are arranged inside the X-axis main body, one end of the X-axis main body is provided with an X-axis motor used for driving the X-axis lead screw to rotate, one end of the Y-axis movement mechanism is connected with the X-axis sliding block, and the other end of the Y-axis movement mechanism is arranged on the other support column in a sliding mode.
Preferably, first support column and second support column are marked for respectively to the support column, X axle motion sets up on the first support column, be equipped with the guide rail on the second support column, it has the direction slider to have slided to connect on the guide rail, Y axle motion connects the direction slider.
Preferably, the Y-axis movement mechanism includes a Y-axis main body slidably connected to the X-axis movement mechanism, a Y-axis slider and a Y-axis lead screw rotatably connected to each other are disposed inside the Y-axis main body, a Y-axis motor for driving the Y-axis lead screw to rotate is disposed at one end of the Y-axis main body, and a connecting plate for connecting the Z-axis movement mechanism is disposed on the Y-axis slider.
Preferably, the Z-axis movement mechanism comprises a Z-axis main body connected with the Y-axis movement mechanism in a sliding manner, a Z-axis sliding block and a Z-axis lead screw connected in a rotating manner are arranged inside the Z-axis main body, a Z-axis motor used for driving the Z-axis lead screw to rotate is arranged at the upper end of the Z-axis main body, the lower end of the Z-axis main body is connected with the rotating table, and the Z-axis sliding block is connected with the connecting plate.
Preferably, the first rotating frame is connected with one end of the blood taking needle and is connected with a second rotating frame through a speed reduction motor, the other end of the second rotating frame is connected with a driving device, a sliding block is connected to the driving device, and the sliding block is connected with the blood taking needle.
Preferably, the upper end of the ultrasonic probe is sleeved with a probe fixing clamp, an XY fine adjustment table is connected between the probe fixing clamp and the first rotating frame, and a pressure sensor is arranged at the bottom of the ultrasonic probe.
Preferably, the probe fixation clamp includes relative first holder and the second holder that sets up, ultrasonic probe sets up first holder with in the cavity that the second holder encloses to close and forms, be provided with first jackscrew hole on the first holder, be provided with second jackscrew hole on the second holder, first jackscrew hole with the downthehole screw of all installing of second jackscrew is adjustable the screw of ultrasonic probe position.
Preferably, a handle and a switch box are arranged on the workbench, the handle is arranged corresponding to the arm placing groove, and the switch box is electrically connected with the control system.
Compared with the prior art, the intelligent blood sampling robot has the beneficial effects that: the blood sampling robot provided by the invention is adopted to take blood, firstly, the arm of a person to be sampled is placed in an arm fixing groove, an infrared camera takes a picture of a blood taking needle and marks the specific position of the needle point of the blood taking needle, a control system is used as the initial point of a needle pricking structure according to the specific position information of the needle point, simultaneously, a three-axis motion mechanism moves the infrared camera to the upper part of the arm to take a picture and identify the optimal blood taking point, simultaneously, the control system analyzes and calculates the direction angle information of the blood vessel where the blood taking point is located, controls a rotating platform to rotate for a certain angle so that the directions of the blood taking needle and the vein where the blood taking point is located are basically consistent, then a laser range finder scans the distances near a plurality of skin puncture points and calculates the angle information of the skin tangent line, and transmits the angle information data to, and then the three-axis movement mechanism controls the ultrasonic probe to be close to the skin of the arm, the ultrasonic probe transmits the measured central depth information of the vein to the control system, the control system controls the blood taking needle to move to the central point of the vein to perform needle pricking and blood taking, and therefore the intelligent vein needle pricking and blood taking actions of automatic vein recognition, optimal blood taking point automatic recognition and needle pricking posture automatic adjustment are completed. Not only improves the success rate of blood sampling, but also improves the blood sampling efficiency and avoids the infection of medical care personnel. The invention has simple structure, good use effect and easy popularization and use.
Drawings
Fig. 1 is an isometric view of an intelligent blood collection robot of the present invention.
Fig. 2 is a front view of the intelligent blood collection robot of the present invention.
Fig. 3 is a partial view of the intelligent blood collection robot of the present invention.
Fig. 4 is an isometric view of fig. 3.
Fig. 5 is a schematic structural view of a lancet of the intelligent blood collection robot according to the present invention.
FIG. 6 is a schematic structural view of a probe fixing clip of the intelligent blood collection robot of the present invention
Wherein: 1-a table, 2-a support column, 3-a blood collection needle, 4-a rotation table, 5-a first rotating rack, 6-an ultrasonic probe, 7-a switch box, 8-a laser range finder, 9-an arm placement groove, 10-an infrared camera, 11-an X-axis mechanism, 12-a guide rail, 13-a guide slider, 14-a Y-axis mechanism, 15-a Z-axis mechanism, 16-a connection plate, 17-a holding device, 18-a puncture needle, 19-a needle holding base, 20-a rubber tube, 21-a puncture catheter, 22-a chute, 23-a bayonet, 24-a reduction motor, 25-a second rotating rack, 26-a driving device, 27-a slider, 28-a mounting plate, 29-a finger gripper, 30-an XY fine adjustment table, 31-a first gripper, 32-second clamping piece, 33-light source, 34-box body, 35-supporting foot and 36-handle.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, an intelligent blood collection robot according to a preferred embodiment of the present invention comprises a work table 1, support columns 2 symmetrically arranged on the work table 1, a blood collection needle 3, a rotary table 4, a first rotary frame 5, a control system, a three-axis motion mechanism electrically connected to the control system, an ultrasonic probe 6, an infrared camera 10 and a laser range finder 8, an arm placing groove 9 is arranged between the two supporting columns 2 on the workbench 1, the three-axis motion structure is movably connected to the two supporting columns 2, the infrared camera 10 and the rotating platform 4 are both arranged on the three-axis movement mechanism, the first rotating frame 5 is rotationally connected to the rotating platform 4, the blood taking needle 3 is connected with one end of the first rotating frame 5 in an angle-adjustable sliding mode, the ultrasonic probe 6 and the laser range finder 8 are arranged at the other end of the first rotating frame 5.
The blood sampling robot provided by the invention is used for blood sampling, firstly, the arm of a person to be sampled is placed in an arm fixing groove 9, an infrared camera 10 photographs a blood sampling needle 3 and marks the specific position of the needle point of the blood sampling needle, a control system is used as the initial point of a needle pricking structure according to the specific position information of the needle point, meanwhile, a three-axis motion mechanism moves the infrared camera 10 to the upper part of the arm for photographing and identifying the optimal blood sampling point, the control system analyzes and calculates the direction angle information of the blood vessel where the blood sampling point is located, controls a rotary table 4 to rotate for a certain angle so that the directions of the blood sampling needle 3 and the vein blood vessel where the blood sampling point is located are basically consistent, then a laser range finder 8 scans the distances near a plurality of skin puncture points and calculates the angle information of the skin tangent line, and transmits the angle information data to the control system to adjust the, then the three-axis movement mechanism controls the ultrasonic probe 6 to be close to the skin of an arm, the ultrasonic probe 6 transmits the measured central depth information of the vein to the control system, and the control system controls the blood taking needle 3 to move to the central point of the vein to perform needle pricking and blood taking, so that the intelligent vein needle pricking and blood taking actions of automatic vein recognition, optimal blood taking point automatic recognition and needle pricking posture automatic adjustment are completed. Not only improves the success rate of blood sampling, but also improves the blood sampling efficiency and avoids the infection of medical care personnel. The invention has simple structure, good use effect and easy popularization and use.
In this embodiment, the three-axis movement mechanism includes an X-axis movement mechanism 11 slidably connected to the support column 2, a Y-axis movement mechanism 14 slidably connected to the X-axis movement mechanism 11, and a Z-axis movement mechanism 15 slidably connected to the Y-axis movement mechanism 14, and the rotation table 4 is fixedly connected below the Z-axis movement mechanism 15. Specifically, X axle motion 11 is including setting up any one X axial main part on the support column 2, the inside of X axial main part is equipped with X axial slider and the X axial lead screw of rotation connection, the one end of X axial main part is equipped with and is used for the drive X axial lead screw pivoted X axial motor, Y axle motion's one end is connected X axial slider, the other end slide and set up in another on the support column. When needs drive the blood taking needle carries out X axle direction and removes, X axial motor rotates, drives X axial lead screw rotates, X axial slider is in follow under the effect of X axial lead screw's axial displacement to drive Y axle motion mechanism is along X axle motion, realizes the X axial displacement of blood taking needle 3. Simultaneously, for improving the axial removal precision of X, guarantee promptly Y axle motion 14's removal precision, first support column and second support column are marked into respectively to support column 2, X axle motion 11 sets up on the first support column, be equipped with guide rail 12 on the second support column, it has direction slider 13 to slide to connect on guide rail 12, Y axle motion connects direction slider 13, thereby has guaranteed Y axle motion follows the removal precision of X axle. The Z-axis moving mechanism 15 and the blood taking needle 3 move along the X-axis direction along with the Y-axis moving mechanism 14, so that the X-axis moving precision of the blood taking needle 3 is improved.
In this embodiment, the Y-axis moving mechanism 14 includes a Y-axis main body slidably connected to the X-axis moving mechanism, specifically, one end of the Y-axis main body is connected to the X-axis sliding block, the other end of the Y-axis main body is connected to the guide sliding block 13, a Y-axis sliding block and a Y-axis lead screw are rotatably connected to the Y-axis main body, a Y-axis motor for driving the Y-axis lead screw to rotate is disposed at one end of the Y-axis main body, and a connecting plate 16 for connecting the Z-axis moving mechanism is disposed on the Y-axis sliding block. When needs are realized when blood taking needle 3 realizes the removal of Y axle direction, Y axial motor starts, drives Y axial lead screw drive Y axial slider removes, makes the connecting plate has realized the removal of Y axle direction, because Z axle motion 15 connects connecting plate 16 the connecting plate 16 has realized promptly when moving along the Y axle blood taking needle 3 is at the ascending removal of Y axle direction.
In this embodiment, one end of the first rotating frame 5 connected to the blood collection needle 3 is connected to a second rotating frame 25 through a speed reduction motor 24, the speed reduction motor 24 is electrically connected to the control system, the other end of the second rotating frame 25 is connected to a driving device 26, the driving device 26 is connected to a slide block 27, and the slide block 27 is connected to the blood collection needle 3. When the angle of the blood taking needle 3 needs to be adjusted, the speed reducing motor 24 is started to drive the second rotating frame 25 to rotate, so that the angle adjustment of the blood taking needle 3 is realized. Simultaneously, for guaranteeing the angle modulation precision, the axis of revolving stage 4 with the axis of gear motor 24 output shaft is crossing, the bottom of blood taking needle 3 removes the contour line and passes through the axis of revolving stage 4 with the nodical of the axis of gear motor 24 output shaft. In order to ensure the accuracy of the binocular vision positioning intelligent blood sampling robot in the process of vein blood sampling, the rotating axis of the blood sampling needle 3 designed by the invention is near a skin puncturing point, and the distance from the final vein blood sampling point is 20 +/-5 mm. When the stroke of blood taking needle 3 needs to be adjusted, start drive arrangement 26, drive arrangement 26 can adopt rack and pinion mechanism, chain mechanism, electric putter, linear electric motor or synchronous belt drive, drive arrangement 26 drives slider 27 removes, thereby realizes the removal of blood taking needle 3. Preferably, the stroke of the slide block 27 is 75 ± 10 mm.
Referring to fig. 5, in the present embodiment, the blood collection needle 3 includes a blood collection assembly and a holding device 17; the blood sampling assembly is arranged in the clamping device 17 in a sliding manner; the blood sampling assembly comprises a puncture needle 18, a needle holding seat 19 and a rubber tube 20, the puncture needle 18 is communicated with the rubber tube 20, and the needle holding seat 19 is fixed on the excircle of the rubber tube 20; the needle holding base 19 is rectangular. Through improving on the basis of current blood taking needle, hold needle file 19 with the tilting and change into the rectangle formula, effectively improve the centre gripping precision of holding needle file 19 and clamping device 17, improve the positioning accuracy that the robot snatchs blood taking needle 3 by a wide margin, effectively avoid vein blood taking needle firing pin and blood vessel to break, implement for intelligent blood taking robot and provide basic guarantee. Simultaneously, for easy to assemble or change blood taking needle 3, be equipped with mounting panel 28 on the slider 27, be equipped with finger clamping jaw 29 on the mounting panel 28, finger clamping jaw 29 can adopt the pneumatic type, and the electrodynamic type, forms such as electromagnetic attraction open and shut, and its working stroke that opens and shuts is 4 millimeters, clamping device 17 detachably installs on the finger clamping jaw.
Two side surfaces of the needle holding seat 19 are perpendicular to the axis of the rubber tube 20, the needle holding seat 19 is fixed at the highest point of the excircle of the rubber tube 20, and the horizontal plane of the needle holding seat 19 is parallel to the axis of the rubber tube 20. The robot hand grip is mainly positioned by two side surfaces of the needle holder 19, and the two side surfaces are ensured to be vertical to the axis of the rubber tube 20, so that the positioning precision of the puncture needle 18 can be ensured.
One end of the rubber tube 20 is communicated with the puncture needle 18, the other end of the rubber tube is connected with a puncture catheter 21 in a conduction mode, and the axis of the rubber tube 20 is collinear with the axis of the puncture needle 18 and the axis of the puncture catheter 21.
The needle head of the puncture needle 18 is sharpened to be an inclined plane, the inclined plane of the needle head of the puncture needle 18 forms an included angle with the horizontal plane of the needle holder 19, the included angle between the inclined plane of the needle head of the puncture needle 18 and the horizontal plane of the needle holder 19 is 10-15 degrees, and the puncture needle 18 forms a certain included angle with the skin of a human body during puncture, so that the included angle between the inclined plane of the needle head of the puncture needle 18 and the horizontal plane of the needle holder 19 is more favorable.
The puncture needle 18 is detachably sleeved with a protective sleeve for preventing the puncture needle 18 from being polluted in the long-time standby process.
The clamping device 17 is provided with a sliding groove 22, and the puncture needle 18 and the rubber tube 20 are arranged in the sliding groove 22 in a sliding manner; the clamping device 17 is provided with a bayonet 23, the bayonet 23 is matched with the needle holding seat 19, the bayonet 23 is an opening, after the robot grips the needle holding seat 19, the robot drives the needle holding seat 19 to rotate, so that the needle holding seat 19 is separated from the bayonet 23, then the needle holding seat 19 is pushed, and the puncture needle 18 slides in the chute 22 of the clamping device 17, so that the blood sampling action is completed; the sliding groove 22 and the bayonet 23 play a positioning role, and the blood sampling precision is further improved. After the blood sampling is finished, the arm of the robot drives the needle holder to retract, and the puncture needle can be drawn out.
Referring to fig. 6, in this embodiment, a probe fixing clip is sleeved on the upper end of the ultrasonic probe 6, and an XY fine tuning table 30 is connected between the probe fixing clip and the first rotating frame 5, so that the position of the ultrasonic probe 6 can be fine tuned, and the precision is further improved. The XY fine adjustment table 30 can adopt a form that a screw rod is matched with a sliding block and a sliding seat, the sliding block is connected with the probe fixing clamp, and the screw rod is rotated to push the sliding block to move along the sliding seat when adjustment is needed. Meanwhile, a pressure sensor is arranged at the bottom of the ultrasonic probe 6 and electrically connected with the control system. The pressure sensor can judge the pressure when the ultrasonic probe 6 is in contact with the skin, and control the ultrasonic probe 6 according to the corresponding value to enable the pressure value of the contact of the ultrasonic probe 6 with the skin to be smaller than the threshold value set by a program, so that the safety of users is protected.
In addition, the probe fixation clamp is including relative first holder 31 and the second holder 32 that sets up, ultrasonic probe 6 sets up first holder 31 with in the cavity that the second holder 32 encloses to close and forms, be provided with first jackscrew hole on the first holder 31, be provided with second jackscrew hole on the second holder 32, first jackscrew hole with the downthehole screw that all installs of second jackscrew is adjustable the screw of ultrasonic probe 6 positions. When the angle of the ultrasonic probe 6 needs to be finely adjusted, the corresponding screw can be adjusted, so that a clearer and more accurate blood vessel image can be obtained when the intelligent blood sampling robot images the vein blood vessel through the ultrasonic probe 6. Specifically, the probe fixing clip is provided with an arc-shaped hole, so that the position of the ultrasonic probe 6 has an adjustment range of +/-5 degrees.
In this embodiment, the front end of the infrared camera 10 is provided with the light source 33, and the light outlet of the light source 33 is coaxial with the lens of the infrared camera 10, so that the photographing brightness of the infrared camera 10 is ensured, and the quality of an image is ensured. In addition, in order to reduce the internal space of the blood collection robot, the infrared camera 10 may be an infrared camera with a dot matrix infrared light source.
In this embodiment, the blood sampling robot further comprises a box body 34, the workbench 1 is supported on the box body 34, the control system is arranged in the box body 34, and the bottom of the box body 34 is provided with a supporting leg 35 which can be telescopically adjusted, so that the balance of the workbench 1 can be conveniently adjusted.
In this embodiment, the table 1 is provided with a handle 36 and a switch box 7, the handle 36 is arranged corresponding to the arm placing groove 9, the handle 36 can be held by a hand after the arm is placed in the arm placing groove during blood drawing, and then the upper end of the arm is tightened by a rubber band to make the vein vessel more prominent, thereby facilitating blood drawing. The switch box 7 is electrically connected with the control system, and a start-stop switch is arranged on the switch box 7 and used for controlling the start and stop of the blood sampling robot.
The invention utilizes the infrared camera 10 to identify and calibrate the machine vision position of the needle tip of the vein blood taking needle, records the position of the needle tip and sets the position as the starting point of the movement of the vein puncture device, and the length tolerance of the needle tube of the vein blood taking needle with the diameter of 0.7mm is +1.5mm/-2.0mm according to the national standard GB 18671 and 2002, therefore, the needle tip coordinate calibration method adopted by the invention reduces the error caused by the manufacturing tolerance of the needle tube. Meanwhile, the invention utilizes the infrared camera 10 to image and shoot the vein vessel of the arm, and utilizes an upper computer and a specific algorithm to identify the position of the coarsest vessel in the shooting range and find the optimal blood sampling point. Meanwhile, the upper computer software analyzes and calculates the direction angle information of the blood vessel where the blood sampling point is located, and transmits data to the control system, and the control system controls the rotary table to rotate by a certain angle so that the directions of the vein blood sampling needle and the vein blood vessel are kept consistent.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an intelligence blood sampling robot which characterized in that: including workstation, symmetry setting support column, blood taking needle, revolving stage, first swivel mount, control system on the workstation, with triaxial moving mechanism, ultrasonic transducer, infrared camera and the laser range finder that the control system electricity is connected, lie in two on the workstation be equipped with the arm standing groove between the support column, the movably connection of triaxial moving structure is two on the support column, infrared camera reaches the revolving stage all sets up on the triaxial moving mechanism, first swivel mount rotates to be connected on the revolving stage, blood taking needle angularly adjustable ground sliding connection in the one end of first swivel mount, ultrasonic transducer reaches laser range finder sets up the other end of first swivel mount.
2. The intelligent blood collection robot of claim 1, wherein: the three-axis movement mechanism comprises an X-axis movement mechanism, a Y-axis movement mechanism and a Z-axis movement mechanism, the X-axis movement mechanism is slidably connected to the support column, the Y-axis movement mechanism is slidably connected to the Y-axis movement mechanism, the Z-axis movement mechanism is slidably connected to the Y-axis movement mechanism, and the rotary table is fixedly connected to the lower portion of the Z-axis movement mechanism.
3. The intelligent blood collection robot of claim 2, wherein: the X-axis movement mechanism comprises an X-axis main body arranged on any one of the supporting columns, an X-axis sliding block and an X-axis lead screw which are connected in a rotating mode are arranged inside the X-axis main body, one end of the X-axis main body is used for driving an X-axis motor rotating the X-axis lead screw, one end of the Y-axis movement mechanism is connected with the X-axis sliding block, and the other end of the Y-axis movement mechanism is arranged on the other supporting column in a sliding mode.
4. The intelligent blood collection robot of claim 3, wherein: first support column and second support column are marked for respectively to the support column, X axle motion sets up on the first support column, be equipped with the guide rail on the second support column, it has the direction slider to have slided to connect on the guide rail, Y axle motion connects the direction slider.
5. The intelligent blood collection robot of claim 2, wherein: the Y-axis movement mechanism comprises a Y-axis main body which is connected with the X-axis movement mechanism in a sliding mode, a Y-axis sliding block and a Y-axis lead screw which are connected in a rotating mode are arranged inside the Y-axis main body, a Y-axis motor used for driving the Y-axis lead screw to rotate is arranged at one end of the Y-axis main body, and a connecting plate used for being connected with the Z-axis movement mechanism is arranged on the Y-axis sliding block.
6. The intelligent blood collection robot of claim 5, wherein: z axle motion includes sliding connection Y axle motion's Z axial main part, the inside of Z axial main part is equipped with Z axial slider and the Z axial lead screw of rotation connection, the upper end of Z axial main part is equipped with and is used for the drive Z axial lead screw pivoted Z axial motor, the lower extreme of Z axial main part is connected the revolving stage, Z axial slider connects the connecting plate.
7. The intelligent blood collection robot of any one of claims 1-6, wherein: the first rotating frame is connected with one end of the blood taking needle and is connected with a second rotating frame through a speed reducing motor, the other end of the second rotating frame is connected with a driving device, a sliding block is connected to the driving device, and the sliding block is connected with the blood taking needle.
8. The intelligent blood collection robot of any one of claims 1-6, wherein: the upper end cover of ultrasonic probe is equipped with the probe fixation clamp, be connected with XY fine-tuning table between probe fixation clamp and the first swivel mount, ultrasonic probe's bottom is equipped with pressure sensor.
9. The intelligent blood collection robot of claim 8, wherein: the probe fixing clamp comprises a first clamping piece and a second clamping piece which are arranged oppositely, the ultrasonic probe is arranged in a cavity formed by enclosing the first clamping piece and the second clamping piece, a first jackscrew hole is formed in the first clamping piece, a second jackscrew hole is formed in the second clamping piece, and screws which are adjustable in position of the ultrasonic probe are installed in the first jackscrew hole and the second jackscrew hole.
10. The intelligent blood collection robot of any one of claims 1-6, wherein: the workbench is provided with a handle and a switch box, the handle is arranged corresponding to the arm placing groove, and the switch box is electrically connected with the control system.
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| CN202010507310.8A CN111839538A (en) | 2020-06-05 | 2020-06-05 | Intelligent blood sampling robot |
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| CN202010507310.8A CN111839538A (en) | 2020-06-05 | 2020-06-05 | Intelligent blood sampling robot |
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Cited By (1)
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