CN107063768B - Blood sampling equipment and control method thereof - Google Patents
Blood sampling equipment and control method thereof Download PDFInfo
- Publication number
- CN107063768B CN107063768B CN201710448716.1A CN201710448716A CN107063768B CN 107063768 B CN107063768 B CN 107063768B CN 201710448716 A CN201710448716 A CN 201710448716A CN 107063768 B CN107063768 B CN 107063768B
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- assembly
- clamping
- test tube
- needle
- centering
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000010241 blood sampling Methods 0.000 title description 17
- 238000012360 testing method Methods 0.000 claims abstract description 102
- 239000008280 blood Substances 0.000 claims abstract description 36
- 210000004369 blood Anatomy 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims description 74
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 238000013459 approach Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
- G01N35/00722—Communications; Identification
- G01N35/00732—Identification of carriers, materials or components in automatic analysers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The present invention relates to a lancing device and a method for controlling the same, the lancing device comprising: a frame; the needle inserting and pulling device is arranged on the rack and comprises a clamping assembly, a first driving assembly and a second driving assembly, wherein the clamping assembly is used for clamping a needle head and is connected with the rack in a sliding manner, the first driving assembly is fixed on the rack, the centering assembly is arranged below the clamping assembly and is connected with the rack in a sliding manner, and the second driving assembly is arranged below the clamping assembly; the first conveying device comprises a test tube rack for bearing test tubes and needle caps and a third driving assembly; a detection device comprising a first detection sensor for detecting the test tube and the needle cap, and a second detection sensor for detecting the test tube blood sample; and a control device. The invention can realize automatic sample retention during blood drawing, has simple operation, high efficiency and high safety performance.
Description
Technical Field
The present invention relates to a blood sampling apparatus and a control method thereof.
Background
At present, the work such as checking the label, reserving a sample, heat seal is all carried out manually in the blood station blood sampling process, and the test tube of general blood reserving a sample is more than two, and nurse personnel is when inserting the syringe needle into the test tube, inserts the off-set and accidentally injures oneself easily, causes the incident to a certain extent, also can infect blood sample simultaneously. The manual operation cannot avoid the case of mistaking a blood sample, and the case of checking an error or the like may occur. Moreover, manual sample retention by nurses can lead to inefficiency, and for collection and large-scale blood stations, blood collection inefficiency causes the donor to wait for a long time, reduces the blood donation enthusiasm of the donor.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide blood sampling equipment and a control method thereof.
The technical scheme of the invention is as follows:
a lancing device, comprising: a frame; the needle inserting and pulling device is arranged on the rack and comprises a clamping assembly, a first driving assembly and a second driving assembly, wherein the clamping assembly is used for clamping a needle head and is connected with the rack in a sliding manner, the first driving assembly is fixed on the rack, the centering assembly is arranged below the clamping assembly and is connected with the rack in a sliding manner, and the second driving assembly is arranged below the clamping assembly; the first conveying device comprises a test tube rack for bearing test tubes and needle caps and a third driving assembly; a detection device comprising a first detection sensor for detecting the test tube and the needle cap, and a second detection sensor for detecting the test tube blood sample; a control device; the first driving assembly, the third driving assembly, the first detection sensor and the second detection sensor are electrically connected with the control device; the first driving component drives the clamping component to move up and down; the second driving component drives the centering component to move up and down; the third driving assembly drives the test tube rack to linearly move below the centering assembly; when the clamping assembly clamps the needle head to insert the test tube, the centering assembly compresses the test tube; when the clamping assembly clamps the needle head to pull out the test tube, the centering assembly compresses the test tube.
The further technical scheme is as follows: the insertion and extraction needle device further includes: the first sliding rail is fixed on the frame; the centering component is connected to the first sliding rail in a sliding way; the second driving component is a spring with two ends fixed between the clamping component and the centering component; when the clamping assembly moves downwards and the spring is in a compressed state, the spring pushes the centering assembly to move downwards to the tail end of the first sliding rail; when the clamping assembly moves upwards and the spring is in a compressed state, the centering assembly is positioned at the tail end of the first sliding rail; when the clamping assembly moves upwards and the spring is in a stretching state, the spring drives the centering assembly to move upwards.
The further technical scheme is as follows: the centering assembly comprises a fixed seat and a centering block, wherein the fixed seat is connected with the first sliding rail in a sliding way, and the centering block is fixed on the fixed seat and extends forwards; the centering block is positioned below the clamping assembly and is provided with a central hole for passing through the needle head and a Fang Duizhong hole positioned below the central hole; the centering hole is an inverted horn hole.
The further technical scheme is as follows: the blood sampling device further comprises a heat sealing device which is arranged on one side of the needle inserting and pulling device and is in sliding connection with the rack, and a fourth driving assembly; the fourth driving component drives the heat sealing device to move up and down; the heat seal device includes: the heating component is used for rapidly heating the heat sealing cutter; the heat sealing seat is provided with a sliding groove, a heat sealing groove and a heat sealing position, wherein the sliding groove is respectively used for sliding connection with the heat sealing cutter; the fifth driving component drives the heat sealing cutter to move along the chute; the infrared detectors are arranged on one side of the heat sealing groove and are respectively positioned on two sides of the heat sealing cutter; and the fifth driving assembly, the infrared detector and the heating assembly are respectively and electrically connected with the control device.
The further technical scheme is as follows: the clamping assembly comprises a mounting seat, a clamping body fixed on the mounting seat, a clamping rod and a power piece; the clamp body is provided with a clamping groove, a positioning end positioned at one side of the clamping groove and a mounting groove positioned at the other side of the clamping groove and extending backwards; the head of the clamping rod penetrates through the mounting groove and extends to the other side of the clamping groove, and a clamping structure is formed between the head of the clamping rod and the positioning end so as to clamp the needle head; the power piece drives the tail part of the clamping rod to drive the head part of the clamping rod to approach or be far away from the positioning end.
The further technical scheme is as follows: the clamping assembly further comprises a rotating shaft; the clamp body is provided with a mounting hole which is positioned at one side of the mounting groove and used for mounting the rotating shaft; the clamping rod is provided with a rotating shaft hole for penetrating through the rotating shaft; the power piece is an electromagnet; the electromagnet is provided with an attracting end; the tail part of the clamping rod is provided with a driving end; when the electromagnet is electrified, the attraction end attracts the driving end, so that the head of the clamp body rotates in a direction close to the positioning end.
The further technical scheme is as follows: the first driving component and the third driving component are belt transmission components or linear motors.
The further technical scheme is as follows: the blood sampling device further comprises a first scanning device, a second scanning device, a third scanning device and a display screen, wherein the first scanning device, the second scanning device and the third scanning device are respectively used for scanning the physical examination table, the test tube and the blood bag two-dimensional code or the bar code; the first scanning device, the second scanning device, the third scanning device and the display screen are respectively and electrically connected with the control device.
The further technical scheme is as follows: the blood sampling device also comprises a heat seal sealing device arranged at one side of the inserting and pulling needle device; the heat seal device includes: the device comprises a heat sealing seat, a heat sealing cutter, a fifth driving assembly, two infrared detectors, a heating assembly and a heating assembly, wherein the two infrared detectors are used for detecting a blood bag silicone tube; the heat sealing seat is provided with a sliding groove, a heat sealing groove and a heat sealing position, wherein the sliding groove is respectively used for sliding connection with the heat sealing cutter; the fifth driving component drives the heat sealing cutter to move along the chute; the infrared detectors are arranged on one side of the heat sealing groove and are respectively positioned on two sides of the heat sealing cutter; and the fifth driving assembly, the infrared detector and the heating assembly are respectively and electrically connected with the control device.
A control method for controlling the above blood sampling device, comprising the steps of:
A. the third driving assembly drives the test tube rack to move back and forth below the centering assembly once, and the second scanning device scans the two-dimensional code or the bar code on the test tube to perform information verification;
B. the needle inserting and pulling device clamps the needle head;
C. the third driving assembly drives the test tube rack to move towards the direction close to the centering assembly;
D. the first driving component drives the clamping component to move downwards;
E. the second driving assembly drives the centering assembly to move downwards until the test tube is compressed, and at the moment, the clamping assembly continues to move downwards;
F. the clamping assembly inserts the needle into the test tube;
G. the second detection sensor detects the blood volume in the test tube;
H. the first driving assembly drives the clamping assembly to move upwards so that the needle head is pulled out of the test tube, and at the moment, the centering assembly continuously compresses the test tube;
I. after the needle is pulled out of the test tube, the centering component moves upwards, and at the moment, the clamping component continues to move upwards;
J. detecting the next test tube and judging whether the test tube exists, if so, entering the step C, and if not, entering the next step;
K. the heat sealing device heat seals the rubber tube of the blood bag;
l. the first drive assembly drives the clamp assembly downward to insert the needle into the cap.
Compared with the prior art, the invention has the technical effects that: a blood sampling device conveys a sampling test tube and a needle cap through a first conveying device, a clamping assembly is adopted to clamp a needle head during sample reserving, a first driving assembly drives the clamping assembly to move, the test tube is pressed through a centering assembly, the needle head can be inserted into the test tube in the descending process of the clamping assembly, and the centering assembly still presses the test tube during needle pulling, so that the test tube cannot be driven to move upwards, and in addition, the test tube can be left and right under the detection of a first detection sensor and a second detection sensor, so that sufficient blood samples can be reserved for each test tube. The invention has simple operation, high efficiency and high safety performance.
A control method adopts the blood sampling equipment to realize automatic blood sampling and sample retention, thereby improving the efficiency in blood sampling and simultaneously avoiding the accidental injury of medical staff.
The invention is further described below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a perspective view of a lancing device according to the present invention;
FIG. 2 is an internal structural view of a lancing device according to the present invention;
FIG. 3 is a perspective view of the insertion and withdrawal needle apparatus of the present invention;
FIG. 4 is a perspective view of a clamping assembly of the present invention;
FIG. 5 is a flow chart of a control method according to the present invention;
FIG. 6 is a second flowchart of a control method according to the present invention.
Reference numerals
10. Blood sampling device 1 rack
2. Clamping assembly of inserting needle device 21
211. Mounting base 212 clamp
213. Clamping rod 214 power piece
22. First drive assembly 23 centering assembly
231. Centering block of fixing seat 232
24. Second drive assembly 25 first slide rail
3. First conveyer 31 test tube rack
32. Third drive assembly 4 detection device
41. First detection sensor 42 second detection sensor
5. Needle of heat sealing device 6
7. First scanning device for test tube 81
82. Second scanning device 83 third scanning device
84. Display screen
Detailed Description
In order to more fully understand the technical content of the present invention, the following technical solutions of the present invention are further described and illustrated with reference to the schematic drawings, but are not limited thereto.
A lancing device, comprising: the rack is arranged on the inserting needle device, the first conveying device, the detecting device and the control device on the rack.
The inserting needle device comprises a clamping assembly, a first driving assembly and a second driving assembly, wherein the clamping assembly is used for clamping a needle head and is connected to the rack in a sliding mode, the first driving assembly is fixed to the rack, the centering assembly is arranged below the clamping assembly and is connected to the rack in a sliding mode, and the second driving assembly is arranged below the clamping assembly.
The first conveying device comprises a test tube rack for bearing test tubes and needle caps, and a third driving assembly.
The test device comprises a first test sensor for testing the test tube and the needle cap, and a second test sensor for testing the test tube blood sample.
The first driving assembly, the third driving assembly, the first detection sensor and the second detection sensor are electrically connected with the control device. The first driving assembly drives the clamping assembly to move up and down, the second driving assembly drives the centering assembly to move up and down, and the third driving assembly drives the test tube rack to move linearly below the centering assembly. When the clamping assembly clamps the needle to insert the test tube, the centering assembly compresses the test tube, and when the clamping assembly clamps the needle to pull out the test tube, the centering assembly compresses the test tube. In the process of inserting the needle, the clamping assembly clamps the needle head to move downwards for a certain distance, then the centering assembly moves downwards under the drive of the second driving assembly to press the sample reserving test tube, and meanwhile, the clamping assembly continues to move downwards to insert the needle head into the test tube. In the needle pulling process, the clamping assembly clamps the needle head to move upwards, and before the needle head does not pull out the sample retention test tube, the centering assembly always keeps pressing the sample retention test tube so as to ensure that the needle head can not drive the sample retention test tube to move upwards when in the upward direction, thereby ensuring that the needle head is separated from the sample retention test tube.
As shown in fig. 1 and 2, a blood sampling device 10 includes: the device comprises a frame 1, a needle inserting and pulling device 2 arranged on the frame 1, a first conveying device 3, a detecting device 4, a control device and a heat sealing device 5 arranged on one side of the needle inserting and pulling device 2 and in sliding connection with the frame 1. The insertion needle device 2 comprises a clamping assembly 21 for clamping the needle 6 and slidingly connected to the frame 1, a first driving assembly 22 fixed to the frame 1, a centering assembly 23 arranged below the clamping assembly 21 and slidingly connected to the frame 1, and a second driving assembly 24.
The first transfer device 3 comprises a rack 31 for carrying test tubes 7 and caps, and a third drive assembly 32.
The detection device 4 comprises a first detection sensor 41 for detecting the test tube 7 and the needle cap, and a second detection sensor 42 for detecting the blood sample of the test tube 7.
The first drive unit 22, the third drive unit 32, the first detection sensor 41, and the second detection sensor 42 are electrically connected to the control device. The first driving assembly 22 drives the clamping assembly 21 to move up and down, the second driving assembly 24 drives the centering assembly 23 to move up and down, and the third driving assembly 32 drives the test tube rack 31 to move linearly below the centering assembly 23. When the clamping assembly 21 clamps the needle 6 to insert the test tube 7, the centering assembly 23 presses the test tube 7, and when the clamping assembly 21 clamps the needle 6 to pull out the test tube 7, the centering assembly 23 presses the test tube 7.
The heat seal sealing device 5 includes: the device comprises a heat sealing seat, a heat sealing cutter and a fifth driving assembly, wherein the heat sealing seat, the heat sealing cutter and the fifth driving assembly are used for detecting two infrared detectors of a blood bag silicone tube and a heating assembly used for rapidly heating the heat sealing cutter. The heat seal seat is provided with a sliding groove which is respectively used for being connected with the heat seal cutter in a sliding way, a heat seal groove which is positioned at the front end of the sliding groove, and a heat seal position which is positioned at the front end of the heat seal groove. The fifth driving component drives the heat sealing cutter to move along the sliding groove, the infrared detector is arranged on one side of the heat sealing groove and is respectively positioned on two sides of the heat sealing cutter, and the fifth driving component, the infrared detector and the heating component are respectively and electrically connected with the control device. When the two infrared detectors detect that the rubber tube is inserted, the heat sealing cutter moves forwards to clamp the rubber tube, so that blood in the blood bag rubber tube cannot flow, and when the rubber tube is required to be sealed, the heating assembly heats the heat sealing cutter. Preferably, the heat sealing device 5 of the present invention adopts a high-frequency wave heating device, and generates an instantaneous high temperature to fuse the rubber tube of the blood bag after the heat sealing tool and the heat sealing seat are energized.
The blood sampling device 10 further includes a first scanning means 81, a second scanning means 82, a third scanning means 83, and a display screen 84 for scanning a physical examination table, a test tube 7, a blood bag two-dimensional code or a bar code, respectively. The first scanning device 81, the second scanning device 82, the third scanning device 83 and the display screen 84 are respectively and electrically connected with the control device, and the information scanned by the first scanning device 81, the second scanning device 82 and the third scanning device 83 is required to be in one-to-one correspondence, so that the sampling receptor is ensured to be in one-to-one correspondence with blood bag samples and reserved blood of the test tube 7. The display 84 may also display when the device is out of order or malfunctioning.
As shown in fig. 3, the insertion and extraction needle device 2 further includes: a first slide rail 25 fixed to the frame 1, and the centering assembly 23 is slidably connected to the first slide rail 25. Specifically, the second driving component 24 is a spring with two ends fixed between the clamping component 21 and the centering component 23, when the clamping component 21 moves downwards and the spring is in a compressed state, the spring pushes the centering component 23 to move downwards to the tail end of the first sliding rail 25, when the clamping component 21 moves upwards and the spring is in a compressed state, the centering component 23 is located at the tail end of the first sliding rail 25, and when the clamping component 21 moves upwards and the spring is in a stretched state, the spring drives the centering component 23 to move upwards. In other embodiments, the second drive assembly 24 may be a linear drive assembly, such as an electric lead screw, a linear motor.
The centering assembly 23 includes a fixed seat 231 slidably coupled to the first slide rail 25, and a centering block 232 fixed to the fixed seat 231 and extending forward. The centering block 232 is located below the clamping assembly 21 and has a central aperture for passing through the needle 6 and a Fang Duizhong aperture located below the central aperture, the centering aperture being an inverted horn aperture.
The first driving assembly 22 and the third driving assembly 32 are belt transmission assemblies, and the clamping assembly 21 and the test tube rack 31 are respectively fixed on belts of the first driving assembly 22 and the third driving assembly 32. In other embodiments, linear motors may be used instead.
As shown in fig. 4, the clamping assembly 21 includes a mounting base 211, a clamping body 212 fixed to the mounting base 211, a clamping rod 213, and a power member 214. The clamp body 212 is provided with a clamping groove, a positioning end positioned at one side of the clamping groove, and a mounting groove positioned at the other side of the clamping groove and extending backwards. The head of the clamping rod 213 passes through the mounting groove and extends to the other side of the clamping groove, and forms a clamping structure with the positioning end to clamp the needle 6. The power piece 214 drives the tail part of the clamping rod 213 to drive the head part of the clamping rod 213 to approach or separate from the positioning end.
Specifically, the clamping assembly 21 further includes a rotating shaft, the clamping body 212 is provided with a mounting hole located at one side of the mounting groove and used for mounting the rotating shaft, and the clamping rod 213 is provided with a rotating shaft hole used for penetrating through the rotating shaft. The power member 214 is an electromagnet provided with a suction end. The tail of the clamping rod 213 is provided with a driving end, and when the electromagnet is electrified, the attraction end attracts the driving end, so that the head of the clamp 212 rotates in a direction approaching to the positioning end.
Specifically, the clamping assembly 21 is further provided with a third detection sensor for detecting whether a needle is inserted, and when the third detection sensor detects that the needle is inserted, the control device controls the clamping assembly to clamp the needle.
In other embodiments, the blood sampling device further comprises a heat sealing device arranged on one side of the insertion needle device and connected with the rack in a sliding manner, and a fourth driving assembly, wherein the fourth driving assembly drives the heat sealing device to move up and down. The heat seal device includes: the heating device comprises a heat sealing seat, a heat sealing cutter and a fifth driving assembly, wherein the heat sealing seat is in transmission connection with the fourth driving assembly, the heat sealing cutter and the fifth driving assembly are used for detecting two infrared detectors of a blood bag silicone tube, and the heating assembly is used for rapidly heating the heat sealing cutter. The heat seal seat is provided with a sliding groove which is respectively used for being connected with the heat seal cutter in a sliding way, a heat seal groove which is positioned at the front end of the sliding groove, and a heat seal position which is positioned at the front end of the heat seal groove. The fifth driving component drives the heat sealing cutter to move along the sliding groove, the infrared detector is arranged on one side of the heat sealing groove and is respectively positioned on two sides of the heat sealing cutter, and the fifth driving component, the infrared detector and the heating component are respectively and electrically connected with the control device. In the process of inserting and pulling out the needle, the needle head is clamped by the clamping component and moves downwards, so that the heat seal sealing device also moves downwards, when the clamping component moves upwards, the heat seal sealing device also moves upwards, and after the heat seal of the rubber tube of the blood bag is completed, the clamping component moves downwards, and the heat seal sealing device does not move downwards, and moves away from the heat seal sealing device to tear the rubber tube from the heat seal point.
As shown in fig. 5, a control method includes the steps of:
A. the third driving assembly drives the test tube rack to move back and forth below the centering assembly once, and the second scanning device scans the two-dimensional code or the bar code on the test tube to perform information verification; specifically, a first scanning device and a third scanning device are needed to scan a physical examination table, a blood bag two-dimensional code or a bar code between A, after the A is entered, the information of the first scanning device, the second scanning device and the third scanning device is checked, and after the information is checked, the next step is entered;
B. the needle inserting and pulling device clamps the needle head;
C. the third driving assembly drives the test tube rack to move towards the direction close to the centering assembly; the third driving assembly is controlled by a stepping motor, and the first detection sensor detects the positions of the test tube and the needle cap so that the third driving assembly drives the test tube to move to the lower part of the centering device;
D. the first driving component drives the clamping component to move downwards;
E. the second driving assembly drives the centering assembly to move downwards until the test tube is compressed, and at the moment, the clamping assembly continues to move downwards;
F. the clamping assembly inserts the needle into the test tube;
G. the second detection sensor detects the blood volume in the test tube; when the second detection sensor detects that the blood volume reaches a set value, H is entered;
H. the first driving assembly drives the clamping assembly to move upwards so that the needle head is pulled out of the test tube, and at the moment, the centering assembly continuously compresses the test tube;
I. after the needle is pulled out of the test tube, the centering component moves upwards, and at the moment, the clamping component continues to move upwards;
J. detecting the next test tube and judging whether the test tube exists, if so, entering the step C, and if not, entering the next step; the test tube is detected by a first detection sensor;
K. the heat sealing device heat seals the rubber tube of the blood bag; after the heat sealing is finished, the rubber tube of the needle head part is disconnected with the rubber tube of the blood bag by an operator;
l. the first drive assembly drives the clamp assembly downward to insert the needle into the cap.
The foregoing examples are provided to further illustrate the present invention and are not intended to limit the scope of the invention, which is defined by the appended claims.
Claims (8)
1. A lancing device, comprising:
a frame;
the needle inserting and pulling device is arranged on the rack and comprises a clamping assembly, a first driving assembly and a second driving assembly, wherein the clamping assembly is used for clamping a needle head and is connected with the rack in a sliding manner, the first driving assembly is fixed on the rack, the centering assembly is arranged below the clamping assembly and is connected with the rack in a sliding manner, and the second driving assembly is arranged below the clamping assembly;
the first conveying device comprises a test tube rack for bearing test tubes and needle caps and a third driving assembly;
a detection device comprising a first detection sensor for detecting the test tube and the needle cap, and a second detection sensor for detecting the test tube blood sample;
a control device;
the first driving assembly, the third driving assembly, the first detection sensor and the second detection sensor are electrically connected with the control device; the first driving component drives the clamping component to move up and down; the second driving component drives the centering component to move up and down; the third driving assembly drives the test tube rack to linearly move below the centering assembly; when the clamping assembly clamps the needle head to insert the test tube, the centering assembly compresses the test tube; when the clamping assembly clamps the needle head to pull out the test tube, the centering assembly compresses the test tube;
the insertion and extraction needle device further includes: the first sliding rail is fixed on the frame; the centering component is connected to the first sliding rail in a sliding way; the second driving component is a spring with two ends fixed between the clamping component and the centering component; when the clamping assembly moves downwards and the spring is in a compressed state, the spring pushes the centering assembly to move downwards to the tail end of the first sliding rail; when the clamping assembly moves upwards and the spring is in a compressed state, the centering assembly is positioned at the tail end of the first sliding rail; when the clamping assembly moves upwards and the spring is in a stretching state, the spring drives the centering assembly to move upwards;
the centering assembly comprises a fixed seat and a centering block, wherein the fixed seat is connected with the first sliding rail in a sliding way, and the centering block is fixed on the fixed seat and extends forwards; the centering block is positioned below the clamping assembly and is provided with a central hole for passing through the needle head and a Fang Duizhong hole positioned below the central hole; the centering hole is an inverted horn hole;
the clamping assembly is further provided with a third detection sensor for detecting whether a needle is inserted, and when the third detection sensor detects that the needle is inserted, the control device controls the clamping assembly to clamp the needle.
2. The lancing device of claim 1, further comprising a heat seal sealing device disposed on one side of the insertion and withdrawal needle device and slidably coupled to the frame, and a fourth drive assembly; the fourth driving component drives the heat sealing device to move up and down; the heat seal device includes: the heating component is used for rapidly heating the heat sealing cutter; the heat sealing seat is provided with a sliding groove, a heat sealing groove and a heat sealing position, wherein the sliding groove is respectively used for sliding connection with the heat sealing cutter; the fifth driving component drives the heat sealing cutter to move along the chute; the infrared detectors are arranged on one side of the heat sealing groove and are respectively positioned on two sides of the heat sealing cutter; and the fifth driving assembly, the infrared detector and the heating assembly are respectively and electrically connected with the control device.
3. The lancing device of claim 1, wherein the clamping assembly comprises a mounting base, a clamp body secured to the mounting base, a clamping lever, and a power member; the clamp body is provided with a clamping groove, a positioning end positioned at one side of the clamping groove and a mounting groove positioned at the other side of the clamping groove and extending backwards; the head of the clamping rod penetrates through the mounting groove and extends to the other side of the clamping groove, and a clamping structure is formed between the head of the clamping rod and the positioning end so as to clamp the needle head; the power piece drives the tail part of the clamping rod to drive the head part of the clamping rod to approach or be far away from the positioning end.
4. The lancing device of claim 3, wherein the clamping assembly further comprises a spindle; the clamp body is provided with a mounting hole which is positioned at one side of the mounting groove and used for mounting the rotating shaft; the clamping rod is provided with a rotating shaft hole for penetrating through the rotating shaft; the power piece is an electromagnet; the electromagnet is provided with an attracting end; the tail part of the clamping rod is provided with a driving end; when the electromagnet is electrified, the attraction end attracts the driving end, so that the head of the clamp body rotates in a direction close to the positioning end.
5. The lancing device according to claim 1, wherein the first drive assembly and the third drive assembly are belt drive assemblies or linear motors.
6. The lancing device according to claim 1, further comprising first, second, third scanning means for scanning a physical meter, test tube, two-dimensional code of a blood bag, or bar code, respectively, and a display screen; the first scanning device, the second scanning device, the third scanning device and the display screen are respectively and electrically connected with the control device.
7. The lancing device according to claim 1, wherein the lancing device further comprises a heat seal sealing means provided on one side of the insertion needle means; the heat seal device includes: the device comprises a heat sealing seat, a heat sealing cutter, a fifth driving assembly, two infrared detectors, a heating assembly and a heating assembly, wherein the two infrared detectors are used for detecting a blood bag silicone tube; the heat sealing seat is provided with a sliding groove, a heat sealing groove and a heat sealing position, wherein the sliding groove is respectively used for sliding connection with the heat sealing cutter; the fifth driving component drives the heat sealing cutter to move along the chute; the infrared detectors are arranged on one side of the heat sealing groove and are respectively positioned on two sides of the heat sealing cutter; and the fifth driving assembly, the infrared detector and the heating assembly are respectively and electrically connected with the control device.
8. A control method for controlling the lancing device according to any one of claims 1 to 7, comprising the steps of:
A. the third driving assembly drives the test tube rack to move back and forth below the centering assembly once, and the second scanning device scans the two-dimensional code or the bar code on the test tube to perform information verification;
B. the needle inserting and pulling device clamps the needle head;
C. the third driving assembly drives the test tube rack to move towards the direction close to the centering assembly;
D. the first driving component drives the clamping component to move downwards;
E. the second driving assembly drives the centering assembly to move downwards until the test tube is compressed, and at the moment, the clamping assembly continues to move downwards;
F. the clamping assembly inserts the needle into the test tube;
G. the second detection sensor detects the blood volume in the test tube;
H. the first driving assembly drives the clamping assembly to move upwards so that the needle head is pulled out of the test tube, and at the moment, the centering assembly continuously compresses the test tube;
I. after the needle is pulled out of the test tube, the centering component moves upwards, and at the moment, the clamping component continues to move upwards;
J. detecting the next test tube and judging whether the test tube exists, if so, entering the step C, and if not, entering the next step;
K. the heat sealing device heat seals the rubber tube of the blood bag;
l. the first drive assembly drives the clamp assembly downward to insert the needle into the cap.
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| CN107063768B true CN107063768B (en) | 2023-12-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108744083B (en) * | 2018-06-19 | 2020-11-17 | 山东省血液中心 | Automatic blood drawing device |
| CN109085327B (en) * | 2018-09-17 | 2024-01-26 | 山东新华医疗器械股份有限公司 | Automatic blood bag sample reserving tube processing device |
| CN110726591A (en) * | 2019-10-08 | 2020-01-24 | 广州市赛特检测有限公司 | Automatic sample retention mechanism for liquid sample |
| CN112107377B (en) * | 2020-09-09 | 2022-02-01 | 四川九八村信息科技有限公司 | Needle head heat seal separation mechanism, intelligent blood sampling instrument and automatic heat seal control method |
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| US5047211A (en) * | 1989-08-18 | 1991-09-10 | Xylum Corporation | Disposable blood handling cassette device for measuring haemostasis |
| CN104783811A (en) * | 2015-05-05 | 2015-07-22 | 湖南千山医疗器械有限公司 | Automatic plug puncturing device used for blood sampling devices and blood sampling device with same automatic plug puncturing device |
| CN104968269A (en) * | 2012-12-05 | 2015-10-07 | 赛拉诺斯股份有限公司 | Systems, devices, and methods for bodily fluid sample collection and transport |
| WO2016000216A1 (en) * | 2014-07-01 | 2016-01-07 | 深圳迈瑞生物医疗电子股份有限公司 | Whole blood sample testing method and blood tester |
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| US5047211A (en) * | 1989-08-18 | 1991-09-10 | Xylum Corporation | Disposable blood handling cassette device for measuring haemostasis |
| CN104968269A (en) * | 2012-12-05 | 2015-10-07 | 赛拉诺斯股份有限公司 | Systems, devices, and methods for bodily fluid sample collection and transport |
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