CN210811103U - Automatic blood sampling device - Google Patents
Automatic blood sampling device Download PDFInfo
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- CN210811103U CN210811103U CN201921398241.0U CN201921398241U CN210811103U CN 210811103 U CN210811103 U CN 210811103U CN 201921398241 U CN201921398241 U CN 201921398241U CN 210811103 U CN210811103 U CN 210811103U
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Abstract
The utility model discloses an automatic blood sampling device belongs to medical instrument technical field. An automated blood collection device comprising: a housing and a controller; an arm placing area is arranged on the bottom wall of an inner cavity of the shell, a blood taking needle, a vacuum blood taking tube, a sterilizer and a hemostatic patch are placed in the inner cavity of the shell, and a first mechanical arm, a second mechanical arm, an infrared blood vessel imager and an ultrasonic detector which are respectively in communication connection with the controller are arranged on the top wall of the inner cavity of the shell; the scanning port of the infrared blood vessel imager and the probe of the ultrasonic detector face the arm placing area. The utility model discloses can accurate definite needle insertion position, direction and degree of depth to disinfect, puncture, draw blood and stanch step etc. automatically, can avoid artificial uncertainty, thereby improve the success rate that the blood was drawn in the puncture.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to automatic blood sampling device.
Background
At present, most of vein specimens for clinical detection are collected by manual puncture, the risks of puncture failure and repeated puncture exist, and whether puncture succeeds or not mainly depends on long-term exercise accumulated experience of a puncture person. Clinically, a skilled puncture person has a long growth period, and factors influencing the success of artificial puncture are complicated, such as the puncture person is not skilled, the punctured person is old and young, and the like, the artificial puncture has more uncertainty, the success rate is influenced by various factors, and the change is large and unstable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic blood sampling device to there is more uncertainty in solving current artificial puncture blood sampling, can lead to the problem of puncture blood drawing success rate.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
an automated blood collection device comprising: a housing and a controller; an arm placing area is arranged on the bottom wall of an inner cavity of the shell, a blood taking needle, a vacuum blood taking tube, a sterilizer and a hemostatic patch are placed in the inner cavity of the shell, and a first mechanical arm, a second mechanical arm, an infrared blood vessel imager and an ultrasonic detector which are respectively in communication connection with the controller are arranged on the top wall of the inner cavity of the shell; the scanning port of the infrared blood vessel imager and the probe of the ultrasonic detector face the arm placing area.
The utility model discloses an infrared blood vessel imager can discern the vein, the vein moves towards, blood moves towards in the vein to can confirm the position of inserting the needle and direction, the depth of penetration can be confirmed to the ultrasonic wave detection instrument, disinfect in coordination through first arm of controller control, second arm, puncture, draw blood and stanch steps such as, thereby can realize automatic blood sampling, because the puncture position is accurate with the depth of penetration, can avoid artificial uncertainty, thereby improve the success rate that the blood was drawn in the puncture.
Because hemoglobin in blood absorbs external red light more strongly than other tissues, the flow direction of blood can be judged through the infrared blood vessel imager, veins and arteries can be distinguished, and the optimal blood sampling position can be selected. And acquiring the vascular information of the needle inserting position through ultrasonic waves, thereby determining the depth of the needle inserting. After the needle inserting position, the direction and the depth are accurately determined by the infrared blood vessel imager and the ultrasonic detector, the blood taking needle, the vacuum blood taking tube, the sterilizer and the hemostatic patch are grabbed by the first mechanical arm and the second mechanical arm to be sterilized, punctured, bled and hemostatic accurately, so that the blood sampling process is accurate, and the success rate of puncturing and bleeding can be improved.
Further, the lateral wall of above-mentioned casing is equipped with infrared ray detection instrument, and infrared ray detection instrument's detection mouth is towards the arm and is placed the district to infrared ray detection instrument and controller communication connection.
When carrying out the blood sampling operation, first arm snatchs vacuum test tube and draws blood through the negative pressure, and the infrared ray detection instrument can be surveyed the fluctuation of liquid level in the vacuum test tube, and when gathering the capacity, no negative pressure in the vacuum test tube, when the liquid level tends to steadily, the blood sampling operation finishes, and the controller carries out operation on next step according to the signal of infrared ray detection instrument transmission this moment.
Furthermore, a bracket is arranged on the top wall of the inner cavity of the shell; the bracket comprises two parallel slide rails, a first slide bar and a second slide bar which are respectively matched with the slide rails in a sliding way; the first mechanical arm and the second mechanical arm are respectively connected with the first sliding rod and the second sliding rod through universal joints, and the universal joints are in communication connection with the controller.
The utility model discloses a first arm and second arm slide on the slide rail through first slide bar and second slide bar respectively, realize the change in first arm and the second arm position, first arm and second arm pass through universal joint and first slide bar and second sliding bar connection respectively simultaneously, can realize the rotation of first arm and second arm, change operations such as angle, make first arm and second arm have fine flexibility, make the blood sampling process more accurate.
Further, a sharp device barrel, a medical waste barrel and a collecting barrel are arranged on the bottom wall of the inner cavity of the shell; the collecting cylinder is communicated with the outer side of the shell.
The utility model discloses a sharp ware section of thick bamboo and medical waste section of thick bamboo are collected blood taking needle and sterilizer after using respectively. The collecting cylinder is arranged in collecting the blood collection tube after blood collection, and guides the blood collection tube into a follow-up system, such as a mixing system for mixing blood uniformly, avoiding hemolysis and avoiding clot appearance.
Furthermore, an upper arm fixer and a forearm fixer are respectively arranged at two ends of the arm placing area; the upper arm fixator and the forearm fixator are respectively located at the edge and the middle of the inner cavity bottom wall of the shell, and the upper arm fixator and the forearm fixator are respectively in communication connection with the controller.
The utility model discloses an upper arm fixer and forearm fixer can be fixed with the arm of treating the person of drawing blood jointly, and when avoiding treating the arm activity of the person of drawing blood, the position of inserting the needle changes and leads to the puncture inaccurate, and then treats the person of drawing blood and cause the damage.
Furthermore, a card reader in communication connection with the controller is arranged on the outer side of the shell.
The utility model discloses a card reader can discern the information of treating the person of drawing blood, confirms the blood sampling project, confirms blood sampling tube kind and quantity.
Furthermore, the side wall of the shell is provided with an arm inserting hole corresponding to the arm placing area; the lateral wall of casing still is equipped with the display screen with controller communication connection.
An automatic blood sampling method based on the automatic blood sampling device is characterized by comprising the following steps:
s1: placing the arm of the person to be subjected to blood drawing in the arm placing area, and enabling the blood drawing part to face upwards;
s2: the controller controls the infrared blood vessel imager to work, the infrared blood vessel imager scans the blood sampling part of a person to be bled and transmits a scanned blood vessel position signal to the controller, and the controller determines the needle inserting position and direction according to the received blood vessel position signal;
s3: the controller controls the ultrasonic detector to work, blood vessel information is acquired at the needle insertion position through the ultrasonic detector, a blood vessel position signal is transmitted to the controller, and the controller determines the puncture depth according to the acquired blood vessel signal;
s4: the controller controls the second mechanical arm to grab the sterilizer and sterilize the needle inserting position;
s5: the controller controls the first mechanical arm to grab the blood taking needle and penetrates the blood taking needle into the vein according to the needle inserting position, the needle inserting direction and the puncture depth;
s6: the controller controls the second mechanical arm to grab the vacuum blood collection tube and connect the vacuum blood collection tube with the blood collection needle;
s7: after the vacuum blood collection tube finishes blood collection, the controller controls the first mechanical arm to extract the blood collection needle, and meanwhile, the controller controls the second mechanical arm to grab the hemostatic patch and stick the hemostatic patch to the needle insertion position.
By adopting the automatic blood sampling method, the needle inserting position, the needle inserting direction and the needle inserting depth can be accurately determined through the infrared blood vessel imager and the ultrasonic detector, the blood sampling operation can be accurately performed through the synergistic effect of the first mechanical arm and the second mechanical arm, the automatic blood sampling is realized, the blood sampling success rate is high, the uncertainty caused by observing the blood vessel through naked eyes is avoided, and the blood sampling failure caused by unskilled puncture patients or the blood sampling operation performed on the blood sampling patients for multiple times is avoided.
Further, before the step S1, the method further includes a step S11: placing an information card of a person to be subjected to blood drawing on a card reader, and determining a blood drawing item; in step S1, the controller controls the upper arm and forearm fixtures to fix the upper arm and forearm, respectively, of the person who is to be bled.
Further, the step S4 includes: the controller controls the second mechanical arm to place the used sterilizer into the medical waste cylinder;
in step S7, the infrared detector detects fluctuation of the liquid level in the vacuum blood collection tube to determine whether blood collection is completed, the liquid level is not fluctuated, blood collection is completed, and then the controller controls the second mechanical arm to separate the blood collection needle from the vacuum blood collection tube, place the blood collection needle into a sharp device barrel, and place the vacuum blood collection tube into a collection barrel.
The utility model discloses following beneficial effect has:
the utility model discloses an infrared blood vessel imager can discern the vein, the vein moves towards, blood moves towards in the vein to can confirm the position of inserting the needle and direction, the depth of penetration can be confirmed to the ultrasonic wave detection instrument, disinfect in coordination through first arm of controller control, second arm, puncture, draw blood and stanch steps such as, thereby can realize automatic blood sampling, because the puncture position is accurate with the depth of penetration, can avoid artificial uncertainty, thereby improve the success rate that the blood was drawn in the puncture.
Drawings
Fig. 1 is a schematic view of the external structure of the housing of the present invention;
fig. 2 is a schematic view of the internal structure of the housing of the present invention;
fig. 3 is a schematic bottom structure view of the housing of the present invention;
fig. 4 is a schematic structural diagram of the bracket of the present invention.
In the figure: 10-a housing; 11-arm placement area; 12-a sharps container; 13-a medical waste canister; 14-a collection canister; 15-a card reader; 16-arm access hole; 17-a display screen; 20-a first robot arm; 30-a second mechanical arm; 40-infrared blood vessel imaging instrument; 50-ultrasonic detector; 60-a bracket; 61-a slide rail; 62-a first slide bar; 63-a second slide bar; 70-upper arm fixator; 80-forearm fixation; 110-a blood collection needle; 120-vacuum blood collection tube; 130-a sterilizer; 140-hemostatic plaster.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1, an automatic blood drawing device includes: a housing 10 and a controller. One of the side surfaces of the housing 10 is an operation surface, which is provided with a card reader 15 and a display screen 17, wherein the card reader 15 and the display screen 17 are respectively connected with the controller in a communication way. The card reader 15 can read the information of the visiting card of the person to be bled and determine the blood drawing item. The display screen 17 can display the state of the blood drawing device, the blood drawing condition and the like, and can also realize man-machine interaction to complete the identity verification of the patient and the reconfirmation of the blood drawing requirement. The operation surface of the housing 10 is further provided with an arm access hole 16, the arm access hole 16 is the same as the inner cavity of the housing 10, and an arm of a person to be bled can access the arm access hole 16 to perform blood sampling operation. In order to prevent the blood drawing device from damaging others when not in use, a shield door (not shown) is provided at the arm access hole 16 for shielding the arm access hole 16. In this embodiment, the model of the main control chip of the controller is STC89C 52.
Referring to fig. 2 to 4, an arm placing area 11 is disposed on the bottom wall of the inner cavity of the housing 10, the arm placing area 11 extends from the edge of the bottom wall of the inner cavity of the housing 10 to the middle, and the arm placing area 11 corresponds to the arm inserting hole 16, so that the arm of the person to be bled can be placed in the arm placing area 11 after the arm is inserted from the arm inserting hole 16. An upper arm fixer 70 and a forearm fixer 80 are respectively arranged at two ends of the arm placing area 11, the upper arm fixer 70 is positioned at the edge of the bottom wall of the inner cavity of the shell 10, and the forearm fixer 80 is positioned in the middle of the bottom wall of the inner cavity of the shell 10. The upper arm fixer 70 and the forearm fixer 80 have the same structure and are two arc pieces, each arc piece is rotatably connected with the shell 10 through a motor, and the rotation of the motor is controlled by the controller to realize the rotation of the arc piece, so that the upper arm and the forearm of a person to be subjected to blood drawing are fixed.
The inner cavity bottom wall of casing 10 still is equipped with each cavity that is used for accomodating blood taking needle 110, vacuum blood collection tube 120, sterilizer 130 and hemostatic plaster 140 respectively, and when blood taking needle 110, vacuum blood collection tube 120, sterilizer 130 and hemostatic plaster 140 were arranged in each cavity respectively, the top meeting eminence inner cavity bottom wall was convenient for snatch. In this embodiment, sterilizer 130 is an alcohol-containing sterilized cotton swab; the hemostatic plaster 140 is flat, and has a protrusion on one side for easy clamping and an adhesive layer on the other side for bonding at the needle insertion position to prevent the hemostatic plaster 140 from falling off.
The bottom wall of the inner cavity of the housing 10 is further provided with a sharp container 12 for containing a used blood collection needle 110, a medical waste container 13 for containing a used sterilizer 130, and a collection container 14 for placing a vacuum blood collection tube 120 after blood collection. In the present embodiment, the collection tube 14 is connected to the outside of the housing 10 for guiding the vacuumed blood collection tube 120 after blood collection to a subsequent system, such as a blending system.
The side wall of the housing 10 is provided with an infrared detector (not shown) having a detection port facing the arm placing area 11 for detecting the fluctuation of the liquid level in the vacuum blood collection tube 120 and determining whether the blood collection of the single vacuum blood collection tube 120 is completed.
In other embodiments of the present invention, a baffle (not shown) may be disposed around the arm placing area 11 to prevent the arm of the person waiting for blood drawing from contacting the blood taking needle 110 and causing injury after the arm extends into the casing 10.
The inner cavity bottom wall of the shell 10 is provided with a support 60, the support 60 comprises two slide rails 61 fixed on the inner cavity top wall of the shell 10, the two slide rails 61 are arranged in parallel, and the bottoms of the two slide rails 61 are provided with T-shaped chutes. The bracket 60 further comprises a first sliding rod 62 and a second sliding rod 63, two ends of the first sliding rod 62 and two ends of the second sliding rod 63 are respectively provided with a T-shaped sliding block, and the first sliding rod 62 and the second sliding rod 63 can slide on the two sliding rails 61 through matching of the T-shaped sliding grooves and the T-shaped sliding blocks. In this embodiment, the first sliding rod 62 and the second sliding rod 63 are provided with motors at positions connected to the sliding rail 61, the motors are connected to a controller in a communication manner, and the controller can control the motors to drive the first sliding rod 62 and the second sliding rod 63 to slide on the sliding rail 61.
The bottom of the bracket 60 is provided with a first mechanical arm 20 and a second mechanical arm 30, and the first mechanical arm 20 and the second mechanical arm 30 are respectively connected with the middle parts of the first sliding rod 62 and the second sliding rod 63 through universal joints. The universal joint is in communication connection with the controller, and the first mechanical arm 20 and the second mechanical arm 30 can be rotated or angularly adjusted through the movement of the universal joint. The first mechanical arm 20 and the second mechanical arm 30 are respectively in communication connection with the controller, and the blood taking needle 110, the vacuum blood taking tube 120, the sterilizer 130 and the hemostatic patch 140 can be grabbed to perform operations such as sterilization, acupuncture and blood drawing through the synergistic effect of the first mechanical arm 20 and the second mechanical arm 30, so that automatic blood taking is realized.
The bracket 60 is also provided with an infrared blood vessel imager 40 and an ultrasonic detector 50, the infrared blood vessel imager 40 and the ultrasonic detector 50 are respectively suspended on the bracket 60, and the scanning port of the infrared blood vessel imager 40 and the detection port of the ultrasonic detector 50 face the arm placing area 11. The infrared blood vessel imager 40 and the ultrasonic detector 50 are respectively in communication connection with the controller.
An automatic blood sampling method based on the automatic blood sampling device comprises the following steps:
s1: the person waiting for blood drawing contacts the diagnosis card with the card reader 15 to determine the blood drawing item and the number of blood drawing tubes;
s2: the arm of the person to be bled extends into the shell 10 from the arm extending hole 16, the arm is placed in the arm placing area 11, the blood sampling part faces upwards, and the controller controls the upper arm fixer 70 and the forearm fixer 80 to fix the upper arm and the forearm of the person to be bled;
s3: the controller controls the infrared blood vessel imaging instrument 40 to work, the infrared blood vessel imaging instrument 40 scans a blood sampling part of a person to be subjected to blood sampling and transmits a scanned blood vessel position signal to the controller, and the controller judges the blood flow direction by utilizing the principle that the absorption of hemoglobin in blood to external red light is stronger than that of other tissues, so that the distribution of veins and arteries is determined, and the needle inserting position and direction are determined;
s4: the controller controls the ultrasonic detector 50 to work, the ultrasonic detector 50 is used for collecting blood vessel information of the needle insertion position, the blood vessel information is transmitted to the controller, and the puncture depth is determined;
s5: the controller controls the second mechanical arm 30 to grab the sterilizer 130 and sterilize the needle insertion position, and the second mechanical arm 30 puts the used sterilizer 130 into the medical waste cylinder 13;
s6: the controller controls the first mechanical arm 20 to grasp the blood taking needle 110 and to pierce the blood taking needle 110 into the vein from the needle insertion position, along the direction of the vein flow at the needle insertion position, and according to the puncture depth;
s7: the controller controls the second mechanical arm 30 to grab the vacuum blood collection tube 120, connects the vacuum blood collection tube 120 with the blood collection needle 110, and performs a blood drawing operation by generating a negative pressure through the vacuum blood collection tube 120;
s8: after the vacuum blood collection tube 120 finishes collecting blood, the controller controls the first mechanical arm 20 to pull out the blood collection needle 110, and simultaneously, the controller controls the second mechanical arm 30 to grab the hemostatic patch 140 and stick the hemostatic patch 140 at the needle inlet position.
S9: the controller controls the second robot arm 30 to separate the lancet 110 and the vacuum collection tube 120, place the lancet 110 in the sharps container 12, and place the vacuum collection tube 120 in the collection container 14.
S10: the upper arm fixer 70 and the forearm fixer 80 are loosened, and the person to be bled draws out the arm to finish the automatic blood sampling process.
If multi-tube collection occurs during the collection process, in step S8, before the lancet 110 is pulled out, the controller controls the second mechanical arm 30 to pull out the evacuated blood collection tube 120 from the lancet 110, and controls the second mechanical arm 30 to connect another evacuated blood collection tube 120 to the lancet 110, thereby achieving multi-tube collection.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. An automatic blood collection device, comprising: a housing (10) and a controller; an arm placing area (11) is arranged on the bottom wall of the inner cavity of the shell (10), a blood taking needle (110), a vacuum blood taking tube (120), a sterilizer (130) and a hemostatic patch (140) are placed in the inner cavity of the shell (10), and a first mechanical arm (20), a second mechanical arm (30), an infrared blood vessel imager (40) and an ultrasonic detector (50) which are respectively in communication connection with the controller are arranged on the top wall of the inner cavity of the shell (10); the scanning port of the infrared blood vessel imager (40) and the probe of the ultrasonic detector (50) face the arm placing area (11).
2. The automatic blood collection device according to claim 1, wherein the housing (10) is provided at a side wall thereof with an infrared detector having a detection port facing the arm placement area (11), and the infrared detector is in communication with the controller.
3. The automatic blood collection device according to claim 2, wherein the housing (10) has a top wall of the inner cavity provided with a bracket (60); the support (60) comprises a sliding rail (61), and a first sliding rod (62) and a second sliding rod (63) which are respectively in sliding fit with the sliding rail (61); the first mechanical arm (20) and the second mechanical arm (30) are respectively connected with the first sliding rod (62) and the second sliding rod (63) through universal joints, and the universal joints are in communication connection with the controller.
4. The automatic blood collection device according to claim 3, wherein the bottom wall of the inner cavity of the housing (10) is provided with a sharps container (12), a medical waste container (13) and a collection container (14); the collecting cylinder (14) communicates with the outside of the housing (10).
5. The automatic blood collection device according to any one of claims 1 to 4, wherein the arm placement area (11) is provided at both ends with an upper arm holder (70) and a forearm holder (80), respectively; the upper arm fixator (70) and the forearm fixator (80) are respectively located at the edge and the middle of the inner cavity bottom wall of the shell (10), and the upper arm fixator (70) and the forearm fixator (80) are respectively in communication connection with the controller.
6. The automated lancing device according to claim 5, wherein the housing (10) is provided on its outside with a card reader (15) in communicative connection with the controller.
7. The automatic blood collection device according to claim 6, wherein the side wall of the housing (10) is provided with an arm insertion hole (16) corresponding to the arm placement area (11); the lateral wall of casing (10) still is equipped with display screen (17) of controller communication connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921398241.0U CN210811103U (en) | 2019-08-26 | 2019-08-26 | Automatic blood sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921398241.0U CN210811103U (en) | 2019-08-26 | 2019-08-26 | Automatic blood sampling device |
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| CN210811103U true CN210811103U (en) | 2020-06-23 |
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| CN201921398241.0U Active CN210811103U (en) | 2019-08-26 | 2019-08-26 | Automatic blood sampling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110393538A (en) * | 2019-08-26 | 2019-11-01 | 四川大学华西第二医院 | A kind of automatic blood collecting device and automatic blood sampling method |
| CN117224185A (en) * | 2023-09-18 | 2023-12-15 | 广州医科大学附属第一医院（广州呼吸中心） | Artery blood sampling hemostatic device for neonate |
-
2019
- 2019-08-26 CN CN201921398241.0U patent/CN210811103U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110393538A (en) * | 2019-08-26 | 2019-11-01 | 四川大学华西第二医院 | A kind of automatic blood collecting device and automatic blood sampling method |
| CN117224185A (en) * | 2023-09-18 | 2023-12-15 | 广州医科大学附属第一医院（广州呼吸中心） | Artery blood sampling hemostatic device for neonate |
| CN117224185B (en) * | 2023-09-18 | 2024-03-15 | 广州医科大学附属第一医院（广州呼吸中心） | Artery blood sampling hemostatic device for neonate |
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