Blood collection equipment

Abstract

The invention relates to the technical field of blood collection equipment, in particular to blood collection equipment which comprises a base, a vacuum needle cylinder, a lifting mechanism and a blood drawing mechanism, a supporting block is fixedly connected to the upper surface of the base, and the lifting mechanism comprises a first sliding block and a second sliding block; sliding grooves are symmetrically formed in the upper surface of the supporting block in a penetrating mode, a first sliding block and a second sliding block are slidably connected to the inner walls of the sliding grooves correspondingly, under different blood sampling scenes, needles of different specifications can be rapidly and conveniently replaced so as to adapt to the specific conditions of a patient, a needle cylinder and the needles do not need to be manually separated by a worker, and the working efficiency is improved. Meanwhile, automatic blood sampling is achieved, the workload of medical staff is relieved, the blood sampling efficiency is improved, a first sliding block 31 and a second sliding block 32 can be moved out of a supporting block 5, the whole equipment can be disassembled, the convenience of carrying and transporting the equipment is improved, the angle of the blood sampling equipment can be adjusted according to needs, and the blood sampling efficiency is improved. The use flexibility is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of blood collection equipment, and specifically relates to a blood collection equipment. Background Art

[0002] Blood collection refers to collecting human blood samples for various medical tests, blood transfusion treatments, production of blood products, etc. By detecting various components in the blood, such as blood cells, biochemical indicators, pathogen markers, etc., it can help doctors diagnose diseases, understand the occurrence, development and treatment effects of diseases. Also, various components can be separated from the collected blood, such as plasma, red blood cells, white blood cells, platelets, etc., for the production of blood products such as plasma protein products, coagulation factors, immunoglobulins, etc., for the treatment of various diseases.

[0003] Traditional blood collection techniques include venipuncture, capillary blood collection, and arterial blood collection. When performing venipuncture for blood collection, a syringe needs to be manually used to collect blood from patients. When collecting blood from multiple people manually, fatigue will reduce the blood collection efficiency. At the same time, when using mechanical blood collection equipment, some equipment is an all-in-one machine and is relatively inconvenient to carry. Therefore, it is necessary to propose a blood collection equipment. Summary of the Invention

[0004] In view of the problems in the prior art, the present invention provides a blood collection equipment.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a blood collection equipment, including a base, a vacuum syringe, a lifting mechanism, and a blood extraction mechanism. The upper surface of the base is fixedly connected with a support block; The lifting mechanism includes a first slider and a second slider. The upper surface of the support block is symmetrically penetrated with sliding grooves. The inner walls of the sliding grooves are respectively slidably connected with the first slider and the second slider. Cavities are respectively penetrated through the interiors of the first slider and the second slider. Limiting blocks are slidably connected to the inner walls of the cavities. The inner walls of the sliding grooves are equally spaced and penetrated with limiting holes. The limiting blocks penetrate and extend into the limiting holes. One end of each sliding groove penetrates and extends outside the support block. One end of the second slider extends outside the sliding groove and is fixedly connected with a semi-circular block. A sliding hole is penetrated through the outer wall of one end of the second slider and is symmetrically slidably connected with L-shaped clamping blocks. The L-shaped clamping blocks extend into the cavities. First springs are respectively arranged inside the cavities. The other ends of the first springs abut against the limiting blocks. The inner walls of the L-shaped clamping blocks are fixedly connected with a second spring together.

[0006] Specifically, the blood drawing mechanism includes a support frame, which is rotatably connected to the semi-circular block. A rotation hole is penetrated through the outer wall of one side of the support frame, and clamping holes are penetrated through the inner wall of the rotation hole in a surrounding shape. The L-shaped clamping block extends into the clamping holes. A groove is penetrated through the upper surface of the support frame and a threaded rod is rotatably connected. A nut is threadedly connected to the outer wall of the threaded rod. A fixing block is fixedly connected to the outer wall of the nut. The fixing block extends outside the groove and is fixedly connected to a U-shaped pushing block. A cylinder is fixedly connected to the outer wall of one end of the support frame. A T-shaped groove is penetrated through the upper surface of the support frame and a round block is slidably connected. A round hole is penetrated through the middle position of the round block, and fixing holes are penetrated through the inner wall of the round hole in a cross shape. A vacuum syringe is arranged above the U-shaped pushing block.

[0007] Specifically, a clamping cavity is penetrated through the inside of the round block. Clamping blocks are symmetrically slidably connected to the inner wall of the clamping cavity. One end of the clamping block extends through and into the fixing hole. A conical pushing block is slidably connected to the inner wall of the clamping cavity. One end of the conical pushing block abuts against the clamping block. The other end of the conical pushing block extends outside the round block and abuts against the cylinder. Third springs are fixedly connected to both inner walls of the clamping cavity. The other ends of the third springs abut against the clamping blocks.

[0008] Specifically, one end of the first slider extends outside the support block and is fixedly connected to a placement plate. Straps are symmetrically fixedly connected to the upper surface of the placement plate.

[0009] Specifically, a driving motor is fixedly connected to the outer wall of one end of the support frame. The output end of the driving motor is fixedly connected to the threaded rod through a coupling.

[0010] Specifically, a threaded hole is penetrated through the outer wall of one side of the first slider and a first screw rod is threadedly connected. One end of the first screw rod extends into the cavity and abuts against the limiting block. One end of the first screw rod extends outside the first slider and is provided with a first handle.

[0011] Specifically, a threaded hole is penetrated through the outer wall of one side of the second slider and a second screw rod is threadedly connected. One end of the second screw rod extends into the cavity and abuts against the L-shaped clamping block. One end of the second screw rod extends outside the first slider and is provided with a second handle.

[0012] The present invention also provides a blood collection method applicable to the above, including the following steps: First step, insert the first slider and the second slider into the sliding grooves opened in the support block. Move the first slider downward according to the height of the patient's arm. The first slider drives the placement plate to move to the patient's arm, and use the straps to limit and fix the patient's arm. Second step: According to the subcutaneous fat thickness of the patient, select different needles, insert the needle into one side of the vacuum syringe, place the vacuum syringe on the upper end of the U-shaped push block, start the driving motor to push the needle and the vacuum syringe towards the patient's arm, and use the vacuum syringe to collect blood from the patient. Third step: After use, the first slider and the second slider can be removed from the support block.

[0013] Advantages of the present invention: (1) For the blood collection device of the present invention, different syringes are selected according to the subcutaneous fat thickness of the patient. The needle is inserted into one side of the vacuum syringe, and the vacuum syringe is placed on the U-shaped push block. The driving motor drives the threaded rod to rotate. The threaded rod pushes the U-shaped push block and the vacuum syringe towards the patient through the fixed block. The needle moves into the round block, and the third spring pushes the clamping block to clamp and fix the needle until the needle is inserted into the arm for blood collection. After blood collection, the threaded rod pushes the fixed block and the U-shaped push block to move away from the arm. The round block pulls the needle and the syringe to separate. The vacuum syringe and the needle adopt a separable design. In different blood collection scenarios, different specifications of needles can be quickly and conveniently replaced to adapt to the specific situation of the patient. And there is no need for personnel to manually separate the syringe and the needle, reducing unnecessary hazards. At the same time, automated blood collection reduces the workload of medical staff and improves blood collection efficiency.

[0014] (2) For the blood collection device of the present invention, the first slider and the second slider can be inserted into the support block, and according to the height of the patient's arm lift, the second slider and the first slider can be moved up and down to adjust the height of the placement plate and the vacuum syringe. After moving, the limiting block moves into the limiting hole to limit the first slider and the second slider. The patient's arm is placed on the placement plate for blood collection, or the second slider is moved to move the vacuum syringe and the needle to the patient's foot for blood collection. When not in use, the first slider and the second slider can be removed from the support block to disassemble the device. The first slider and the second slider can be removed from the support block, and the whole device can be disassembled, increasing the convenience of carrying and transporting the device.

[0015] (3) For the blood collection device of the present invention, the support frame can be rotated, and according to the subcutaneous fat thickness of the patient, the angle between the support frame, the vacuum syringe and the needle can be adjusted. After adjustment, the L-shaped clamping block moves into the clamping hole to limit the support frame. The angle of the blood collection device can be adjusted according to needs, increasing the flexibility of use. Description of the Drawings

[0016] The present invention will be further described below in conjunction with the drawings and embodiments.

[0017] Figure 1 It is a front view structural schematic diagram of a blood collection device provided by the present invention; Figure 2 Front view structural schematic diagram of a support block of a blood collection device provided by the present invention; Figure 3 Front view structural schematic diagram of a placement plate of a blood collection device provided by the present invention; Figure 4 Cross-sectional view structural schematic diagram of a first slider of a blood collection device provided by the present invention; Figure 5 Front view structural schematic diagram of a support frame of a blood collection device provided by the present invention; Figure 6 Structural schematic diagram of the installation position of a card hole of a blood collection device provided by the present invention; Figure 7 Cross-sectional view structural schematic diagram of a second slider of a blood collection device provided by the present invention; Figure 8 Cross-sectional view structural schematic diagram of a support frame of a blood collection device provided by the present invention; Figure 9 Front view structural schematic diagram of a round block of a blood collection device provided by the present invention; Figure 10 Cross-sectional view structural schematic diagram of a round block of a blood collection device provided by the present invention.

[0018] In the figure: 1, base; 2, vacuum syringe; 3, lifting mechanism; 31, first slider; 32, second slider; 33, limiting block; 34, limiting hole; 35, semi-circular block; 36, L-shaped clamping block; 37, first spring; 38, second spring; 4, blood drawing mechanism; 41, support frame; 42, card hole; 43, threaded rod; 44, fixed block; 45, U-shaped pushing block; 46, cylinder; 47, round block; 48, fixing hole; 5, support block; 6, clamping block; 7, conical pushing block; 8, third spring; 9, placement plate; 10, strap; 11, drive motor; 12, first screw; 13, second screw. Detailed implementation manners

[0019] In order to make the technical means, creative features, achieved purposes and effects realized by the present invention easy to understand, the present invention will be further described below in conjunction with specific implementation manners.

[0020] As Figures 1 - 10 shown, the present invention provides the following technical solutions: Embodiment 1: A blood collection device includes a base 1, a vacuum syringe 2, a lifting mechanism 3 and a blood drawing mechanism 4. A support block 5 is fixedly connected to the upper surface of the base 1; During use, place the patient's arm on the placement plate 9 and use the strap 10 to limit and fix the patient's arm. According to the thickness of the patient's subcutaneous fat, select different needles, insert the needle into one side of the vacuum syringe 2, and use the vacuum syringe 2 to collect blood from the patient.

[0021] Embodiment 2: The technical solution of this embodiment different from that of Embodiment 1 includes: The lifting mechanism 2 includes a first slider 31 and a second slider 32. The upper surface of the support block 5 is symmetrically provided with through grooves. The inner walls of the grooves are respectively slidably connected with the first slider 31 and the second slider 32. Cavities are respectively formed through the interiors of the first slider 31 and the second slider 32. The inner walls of the cavities are slidably connected with limit blocks 33. The inner walls of the grooves are equally spaced and provided with through limit holes 34. The limit blocks 33 penetrate and extend into the limit holes 34. One end of each groove penetrates and extends outside the support block 5. One end of the second slider 32 extends outside the groove and is fixedly connected with a semi-circular block 35. A slide hole is formed through the outer wall of one end of the second slider 32 and is symmetrically slidably connected with L-shaped clamping blocks 36. The L-shaped clamping blocks 36 extend into the cavity. One ends of the outer walls of the L-shaped clamping blocks 36 are fixedly connected with first springs 37. The other ends of the first springs 37 abut against the limit blocks 33. The inner walls of the L-shaped clamping blocks 36 are fixedly connected with second springs 38 together. The blood extraction mechanism 4 includes a support frame 41. The support frame 41 is rotatably connected with the semi-circular block 35. A rotation hole is formed through one side outer wall of the support frame 41. The inner wall of the rotation hole is provided with through clamping holes 42 in a surrounding shape. The L-shaped clamping blocks 36 extend into the clamping holes 42. A groove is formed through the upper surface of the support frame 41 and is rotatably connected with a threaded rod 43. A nut is threadedly connected to the outer wall of the threaded rod 42. A fixing block 44 is fixedly connected to the outer wall of the nut. The fixing block 44 extends outside the groove and is fixedly connected with a U-shaped pushing block 45. A cylinder 46 is fixedly connected to one end outer wall of the support frame 41. A T-shaped groove is formed through the upper surface of the support frame 41 and is slidably connected with a round block 47. A circular hole is formed through the middle position of the round block 47. The inner wall of the circular hole is provided with through fixing holes 48 in a cross shape. A vacuum syringe 2 is arranged above the U-shaped pushing block 45.

[0022] During use, the driving motor 11 is fixedly connected to the threaded rod 43 through the controller, pressing the conical push block 7 into the round block 47, moving the round block 47 into the cylinder 46. Insert the needle into one end of the vacuum syringe 2 as required, place the vacuum syringe 2 on the U-shaped push block 45, place the patient's arm on the placement plate 9 and fix it with the strap 10. Start the driving motor 11 to drive the threaded rod 43 to rotate. The threaded rod 43 drives the fixed block 44 and the U-shaped push block 45 to move through the nut. When the needle moves, it passes through the fixing hole 48 opened in the round block 47, and the vacuum syringe 2 pushes the round block 47 to move. The round block 47 moves out of the cylinder 46, and the third spring 8 pushes the clamping block 6 to clamp and fix the outer wall of the needle. The U-shaped push block 45 pushes the vacuum syringe 2 and the needle to move towards the patient's arm and draw blood. After extraction, the driving motor 11 can be started to drive the threaded rod 43 to rotate in the reverse direction, so that the U-shaped push block 45 drives the needle and the vacuum syringe 2 to move out of the arm until the conical push block 7 abuts against the cylinder 46, and the clamping block 6 separates the needle and the vacuum syringe 2, then the vacuum syringe 2 can be taken out of the cylinder 46. If the patient has thick subcutaneous fat, the support frame 41 can also be rotated, and the angle between the support frame 41 and the needle is adjusted to between 15 and 30 degrees. After adjustment, the second spring 38 pushes the L-shaped fastener 36 to move into the card hole 42 to limit and fix the support frame 41. If the patient's arm is not convenient to raise, the first slider 31 and the second slider 32 can be moved downward to adjust the height of the placement plate 9 and the needle. The height of the second slider 32 can also be adjusted alone to move the needle to the patient's foot for foot vein blood collection. After moving, the first spring pushes the limiting block 33 to move into the limiting hole 34 to preliminarily limit the first slider 31 and the second slider 32. The first screw 12 and the second screw 13 can be rotated into the first slider 31 and the second slider 32 by using the first handle and the second handle to perform secondary limitation on the limiting block 3. When not in use, the first slider 31 and the second slider 32 can be moved out of the support block 5 to disassemble the equipment.

[0023] Embodiment 3: The technical solution of this embodiment different from that of Embodiment 2 includes: Wherein, a clamping cavity is penetrated and opened inside the round block 47. The inner walls of the clamping cavity are symmetrically and slidably connected with clamping blocks 6. One end of the clamping block 6 penetrates and extends into the fixing hole 48. The inner wall of the clamping cavity is slidably connected with a conical push block 7. One end of the conical push block 7 abuts against the clamping block 6. The other end of the conical push block 7 penetrates and extends out of the round block 47 and abuts against the cylinder 46. Both inner walls of the clamping cavity are fixedly connected with third springs 8. The other ends of the third springs 8 abut against the clamping blocks 6, which is convenient to use the third springs 8 to push the clamping blocks 6 to move to clamp and fix the needle.

[0024] Wherein, one end of the first slider 31 extends outside the support block 4 and is fixedly connected with a placement plate 9. The upper surface of the placement plate 9 is symmetrically and fixedly connected with straps 10. The straps 10 are provided with magic tapes, which is convenient to use the straps 10 to fix the patient's arm.

[0025] One end of the outer wall of the support frame 41 is fixedly connected to a driving motor 11, and the output end of the driving motor 11 is fixedly connected to a threaded rod 42 through a coupling, facilitating the use of the driving motor 11 to drive the threaded rod 42 to rotate.

[0026] One side of the outer wall of the first slider 31 is provided with a threaded hole through which a first screw rod 12 is threadedly connected. One end of the first screw rod 12 extends into the cavity and abuts against the limiting block 33, and one end of the first screw rod 12 extends outside the first slider 31 and is provided with a first handle, facilitating the use of the first screw rod 12 to limit the limiting block 33.

[0027] One side of the outer wall of the second slider 32 is provided with a threaded hole through which a second screw rod 13 is threadedly connected. One end of the second screw rod 13 extends into the cavity and abuts against the L-shaped clamping block 36, and one end of the second screw rod 13 extends outside the first slider 31 and is provided with a second handle, facilitating the use of the second screw rod 13 to limit the L-shaped clamping block 36.

[0028] The present invention also provides a blood collection method, including the following steps: In the first step, insert the first slider 31 and the second slider 32 into the sliding groove provided in the support block 5, move the first slider 31 downward according to the height of the patient's arm, the first slider 31 drives the placement plate 9 to move to the patient's arm, and use the strap 10 to limit and fix the patient's arm; In the second step, select different needles according to the subcutaneous fat thickness of the patient, insert the needle into one side of the vacuum syringe 2, place the vacuum syringe 2 on the upper end of the U-shaped push block 45, start the driving motor 11 to push the needle and the vacuum syringe 2 towards the patient's arm and use the vacuum syringe 2 to collect blood from the patient; In the third step, after use, the first slider 31 and the second slider 32 can be removed from the support block 5.

[0029] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art of this industry should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of protection required by the present invention. The scope of protection required by the present invention is defined by the appended claims and their equivalents.

Claims

1. A blood collection device, comprising a base (1), a vacuum syringe (2), a lifting mechanism (3) and a blood extraction mechanism (4), wherein a support block (5) is fixedly connected to the upper surface of the base (1); It is characterized in that: The lifting mechanism (2) includes a first slider (31) and a second slider (32). The upper surface of the support block (5) is symmetrically provided with through grooves. The inner walls of the grooves are respectively slidably connected with the first slider (31) and the second slider (32). Cavities are respectively formed through the interiors of the first slider (31) and the second slider (32). Limiting blocks (33) are slidably connected to the inner walls of the cavities. The inner walls of the grooves are equidistantly provided with through limiting holes (34). The limiting blocks (33) penetrate and extend into the limiting holes (34). One ends of the grooves penetrate and extend outside the support block (5). One end of the second slider (32) extends outside the groove and is fixedly connected with a semi-circular block (35). A sliding hole is formed through one end outer wall of the second slider (32) and is symmetrically slidably connected with L-shaped clamping blocks (36). The L-shaped clamping blocks (36) extend into the cavity. First springs (37) are respectively arranged inside the cavities. The other ends of the first springs (37) abut against the limiting blocks (33). A second spring (38) is fixedly connected to the inner walls of the L-shaped clamping blocks (36) together.

2. The blood collection device according to claim 1, wherein: The blood extraction mechanism (4) includes a support frame (41). The support frame (41) is rotatably connected with the semi-circular block (35). A rotation hole is formed through one side outer wall of the support frame (41). Clamping holes (42) are formed through the inner wall of the rotation hole in a surrounding manner. The L-shaped clamping blocks (36) extend into the clamping holes (42). A groove is formed through the upper surface of the support frame (41) and is rotatably connected with a threaded rod (43). A nut is threadedly connected to the outer wall of the threaded rod (42). A fixed block (44) is fixedly connected to the outer wall of the nut. The fixed block (44) extends outside the groove and is fixedly connected with a U-shaped pushing block (45). A cylinder (46) is fixedly connected to one end outer wall of the support frame (41). A T-shaped groove is formed through the upper surface of the support frame (41) and is slidably connected with a circular block (47). A circular hole is formed through the middle position of the circular block (47). Fixing holes (48) are formed through the inner wall of the circular hole in a cross shape. A vacuum syringe (2) is arranged above the U-shaped pushing block (45).

3. The blood collection device according to claim 2, wherein: A clamping cavity is formed through the interior of the circular block (47). Clamping blocks (6) are symmetrically slidably connected to the inner walls of the clamping cavity. One ends of the clamping blocks (6) penetrate and extend into the fixing holes (48). A conical pushing block (7) is slidably connected to the inner wall of the clamping cavity. One end of the conical pushing block (7) abuts against the clamping blocks (6). The other end of the conical pushing block (7) penetrates and extends outside the circular block (47) and abuts against the cylinder (46). Third springs (8) are fixedly connected to the two inner walls of the clamping cavity. The other ends of the third springs (8) abut against the clamping blocks (6).

4. The blood collection device according to claim 1, wherein: One end of the first slider (31) extends outside the support block (4) and is fixedly connected to a placement plate (9), and straps (10) are symmetrically and fixedly connected to the upper surface of the placement plate (9).

5. The blood collection device according to claim 2, characterized in that: One outer wall of one end of the support frame (41) is fixedly connected to a drive motor (11), and the output end of the drive motor (11) is fixedly connected to a threaded rod (42) through a coupling.

6. The blood collection device according to claim 1, wherein: A threaded hole is formed through one outer wall of the first slider (31) and is threadedly connected to a first screw rod (12). One end of the first screw rod (12) extends into the cavity and abuts against the limit block (33), and one end of the first screw rod (12) extends outside the first slider (31) and is provided with a first handle.

7. The blood collection device according to claim 1, wherein: A threaded hole is formed through one outer wall of the second slider (32) and is threadedly connected to a second screw rod (13). One end of the second screw rod (13) extends into the cavity and abuts against the L-shaped clamping block (36), and one end of the second screw rod (13) extends outside the first slider (31) and is provided with a second handle.

8. A blood collection method, comprising a blood collection device according to any one of the above-mentioned claims 1-7, characterized in that: Including the following steps; First step, insert the first slider (31) and the second slider (32) into the sliding grooves formed in the support block (5). Move the first slider (31) downward according to the height of the patient's arm. The first slider (31) drives the placement plate (9) to move to the patient's arm, and use the straps (10) to limit and fix the patient's arm. Second step, select different needles according to the thickness of the patient's subcutaneous fat. Insert the needle into one side of the vacuum syringe (2). Place the vacuum syringe (2) on the upper end of the U-shaped push block (45). Start the drive motor (11) to push the needle and the vacuum syringe (2) towards the patient's arm and use the vacuum syringe (2) to collect blood from the patient. Third step, after use, the first slider (31) and the second slider (32) can be removed from the support block (5).

Images