Arterial blood mixer

The arterial blood homogenizer, which combines oscillation and linear motion, solves the problems of low efficiency and large detection errors in existing equipment, achieving efficient and accurate blood sample mixing, and is suitable for various medical environments.

CN223874890UActive Publication Date: 2026-02-06417 HOSPITAL OF NUCLEAR IND
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Patent Information

Application Number
CN202520467298.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-02-06
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

Existing manual or single-rotation mixing equipment is inefficient, susceptible to human factors, leading to large errors in blood sample testing, and cannot effectively break up small clots, affecting testing accuracy and having poor adaptability.

Method used

The system employs a combination of oscillating and linear motion mechanisms, integrating forward and backward linear motion with oscillating motion to ensure uniform mixing of blood samples, reduce manual operation, maintain consistent control parameters, and prevent stratification or coagulation.

Benefits of technology

It improves blood sample mixing efficiency, reduces manual operation, lowers errors, and ensures the accuracy and reliability of test results, making it suitable for various medical scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of medical instruments, and discloses an arterial blood mixer, which comprises a head body, a rod body, a base, a swing oscillation mechanism and a linear compound motion mechanism, the swing oscillation mechanism comprises a driving assembly fixedly installed in the head body through a fixing rod, the left end of the driving assembly is movably connected with a transmission assembly, and the left end of the transmission assembly penetrates through the left side wall of the head body and is provided with a fixing piece. The linear composite motion mechanism comprises a rotary motion assembly fixedly installed in the left end of the rod body through a fixing rod, and the upper end of the rotary motion assembly is movably connected with a linear motion assembly. According to the arterial blood mixer, a mixing mode of combining front-back linear compound motion with swinging oscillation is adopted, blood samples can be effectively prevented from being layered or solidified, it is guaranteed that the mixing force, time and mode are consistent every time, the accuracy and reliability of detection results are greatly improved, and the arterial blood mixer can be suitable for different medical scenes.
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Description

Technical Field

[0001] This utility model relates to the field of medical devices, and in particular to an arterial blood mixer. Background Technology

[0002] In a medical testing environment, the accuracy of arterial blood sample analysis directly impacts disease diagnosis and treatment planning. However, some problems exist with current technologies:

[0003] Existing manual or single-rotation mixing equipment is inefficient, requires medical staff to invest more time and effort, and the mixing effect is greatly affected by human factors, resulting in errors that may lead to unqualified blood samples, increasing the pain of blood collection for patients and medical costs. On the other hand, the 360° rotation mixing method may not be able to fully break down the tiny clots that may form in the blood in some cases, affecting the accuracy of the test, and it has poor adaptability in medical institutions of different sizes.

[0004] Therefore, there is an urgent need to design an arterial blood mixer that can solve the above technical problems. Utility Model Content

[0005] In view of the problems mentioned in the background art, the purpose of this utility model is to provide an arterial blood mixer to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model mainly provides the following technical solutions:

[0007] An arterial blood mixer includes a head, a rod, and a base, and further includes:

[0008] Oscillating oscillation mechanisms and linear compound motion mechanisms; among which:

[0009] The oscillating mechanism includes a drive assembly that is fixedly installed inside the head body via a fixed rod. The left end of the drive assembly is movably connected to a transmission assembly. The left end of the transmission assembly passes through the left side wall of the head body and is equipped with a fixing component.

[0010] The linear compound motion mechanism includes a rotary motion component that is fixedly installed inside the left end of the rod via a fixed rod, and its upper end is movably connected to the linear motion component.

[0011] Furthermore, the drive assembly includes a motor a fixedly connected to the inner wall of the head body via a fixed rod, a rotating shaft a fixedly connected to a transmission rod a at the left end of the motor a, the other end of the transmission rod a movably connected to a slider, and clips a protruding from the side walls of the slider.

[0012] Furthermore, the transmission assembly includes a ring block a that is movably sleeved around the slider. The ring block a has slots a on its left and right inner walls. A rack a is provided laterally on the left side wall in the middle of the ring block a. A toothed groove a is provided on the upper surface of the rack a. A retainer b is provided on the left side wall.

[0013] The rack a left side is equipped with a support rod, the support rod right side wall is equipped with a clamping strip corresponding to the rack a position, the clamping strip right side wall is provided with a clamping groove b, the support rod top is equipped with a bearing, the bearing central penetration is movably installed with a transmission rod b, the transmission rod b right side wall is equipped with a gear a, the gear a circumferential side is provided with a gear groove b, the transmission rod b left end penetrates the head body left side wall and extends and is fixedly connected with a swing disc, the swing disc left side wall middle part is fixedly installed with a fixed part, the fixed part outer end is provided with a fixed groove, the fixed groove is equipped with a fixed screw and a fixed nut;

[0014] The clamping groove b is connected with the clamping piece b, and the gear groove a is connected with the gear groove b.

[0015] Further, the rotating motion assembly includes a motor b fixedly connected with the inner bottom wall of the rod body through a fixed rod, a fixed plate and a rotating shaft b are arranged on the upper surface of the motor b, limit pieces are arranged on the upper surfaces of the left and right ends of the fixed plate, the limit pieces are transversely provided with limit grooves, the rotating shaft b penetrates the surface of the fixed plate and extends out, a rotating disc is fixedly installed at the top end of the rotating shaft b, and a rotating block is arranged on the upper surface of the rotating disc close to one end of the outer ring.

[0016] The fixed plate upper surface four corner positions are equipped with fixed rods, and the other ends of the fixed rods are fixedly connected with the inner top wall of the rod body.

[0017] Further, the linear motion assembly includes an annular block b sleeved on the circumferential side of the rotating block, transmission rods c are fixedly connected to the left and right outer side walls of the annular block b, the left and right transmission rods c movably pass through the limit grooves, and the left end of the left transmission rod penetrates the left side wall of the rod body and is fixedly connected with the right side wall of the head body.

[0018] Further, a switch is arranged on the left side of the front side wall of the base, a control button is arranged below the right side of the base, a display screen is arranged above the right side of the base, and a power cord is arranged in the middle part of the right side wall.

[0019] The lower end of the rod body is fixedly connected with the right end of the upper surface of the base.

[0020] Compared with the prior art, the beneficial effects of the present application mainly include:

[0021] Compared with the existing manual shaking or 360° rotating mixing methods, the present application can cause uneven mixing and increase detection errors. To solve this problem, the present application adopts a mixing method of front and rear linear compound motion combined with swing and oscillation, which can quickly complete blood sample mixing, reduce manual operation, improve work efficiency, effectively control the shaking parameters, avoid human errors, effectively prevent blood sample stratification or solidification, ensure the consistency of the intensity, time and method of each mixing, greatly improve the accuracy and reliability of the detection results, and can be applied to different medical scenes.

[0022] The above description is only a summary of the technical scheme of the present application, in order to clearly understand the technical means of the present application, and can be implemented according to the content of the specification, the following preferred embodiments of the present application are described in detail below. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0024] Figure 1 It is a perspective view of an arterial blood mixing device of the present application;

[0025] Figure 2 It is a structural view of an arterial blood mixing device of the present application;

[0026] Figure 3 It is a structural explosion view of part A of the present application; Figure 2

[0027] Figure 4 It is a structural view of part B of the present application; Figure 2

[0028] Explanation of reference signs:

[0029] 1, head body; 2, rod body; 3, base; 4, swing and shock mechanism; 5, straight line compound motion mechanism;

[0030] 11, fixed rod;

[0031] 31, switch; 32, control button; 33, display screen; 34, power cord;

[0032] 41, driving assembly; 42, transmission assembly; 43, fixing piece; 44, fixing groove; 45, fixed screw; 46, fixed nut;

[0033] 51, rotary motion assembly; 52, linear motion assembly;

[0034] 411, motor a; 412, rotating shaft a; 413, transmission rod a; 414, sliding block;

[0035] 421, annular block a; 422, rack a; 423, clamping strip; 424, gear a; 425, transmission rod b; 426, swing disc; 427, bearing piece; 428, support rod;

[0036] ​​511, motor b; 512, fixed plate; 513, rotating shaft b; 514, rotating disc; 515, rotating block;

[0037] 521, annular block b; 522, transmission rod c; 523, limiting piece;

[0038] 4141, clamping piece a; 4211, clamping groove a; 4221, tooth groove a; 4222, clamping piece b; 4231, clamping groove b; 4241, tooth groove b; 5231, limiting groove; DETAILED DESCRIPTION

[0039] The application will be further described below in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the parts related to the utility model are shown in the drawings.

[0040] As Figures 1-4 shown, the arterial blood mixing device comprises a head body 1, a rod body 2 and a base 3, and further comprises:

[0041] a swing and shock mechanism 4 and a linear compound motion mechanism 5; wherein:

[0042] The swing and shock mechanism 4 comprises a driving assembly 41 fixedly installed in the head body 1 through a fixed rod 11, the driving assembly 41 is used for realizing periodic swing and shock to the blood sample, so that the blood is uniformly mixed in the sampling tube, avoiding stratification or solidification, improving the detection accuracy, the left end of the driving assembly 41 is movably connected with a transmission assembly 42, the transmission assembly 42 is used for transmitting the power of the driving assembly 41 to the mixing device, so as to realize stable swing and shock motion, the left end of the transmission assembly 42 penetrates through the left side wall of the head body 1 and is provided with a fixing piece 43, the fixing piece 43 is used for clamping the blood sampling tube, and can adapt to the detection requirements of different specifications of sampling tubes;

[0043] The linear compound motion mechanism 5 comprises a rotating motion assembly 51 fixedly installed in the left end of the rod body 2, the rotating motion assembly 51 is used for providing rotating power, and the upper end of the rotating motion assembly 51 is movably connected with a linear motion assembly 52, the linear motion assembly 52 converts the rotating power into linear power, so as to realize linear compound motion.

[0044] As Figure 2 , 3As shown, in this embodiment, the driving assembly 41 includes a motor a411 fixedly connected with the inner wall of the head body 1 through the fixing rod 11, the motor a411 provides the core driving force for the swing oscillation mechanism 4, ensures the stable swing oscillation of the blood sample tube within the set frequency and amplitude range, the left end of the motor a411 is provided with a rotating shaft a412, the rotating shaft a412 ensures that the rotating motion of the motor is transmitted to the subsequent transmission mechanism, the rotating shaft a412 is fixedly connected with a transmission rod a413, the other end of the transmission rod a413 is movably connected with a sliding block 414, the transmission rod a413 transmits the rotating motion to the sliding block 414, the two side walls of the sliding block 414 are protrudingly provided with clamping pieces a4141, the clamping pieces a4141 are used for limiting the movement direction of the sliding block 414, ensuring that it moves along the predetermined track, avoiding the deviation to cause the uneven swing amplitude, and realizing the linear conversion of the power.

[0045] As shown in the figure, Figure 3 As shown, in this embodiment, the driving assembly 41 includes a motor a411 fixedly connected with the inner wall of the head body 1 through the fixing rod 11, the motor a411 provides the core driving force for the swing oscillation mechanism 4, ensures the stable swing oscillation of the blood sample tube within the set frequency and amplitude range, the left end of the motor a411 is provided with a rotating shaft a412, the rotating shaft a412 ensures that the rotating motion of the motor is transmitted to the subsequent transmission mechanism, the rotating shaft a412 is fixedly connected with a transmission rod a413, the other end of the transmission rod a413 is movably connected with a sliding block 414, the transmission rod a413 transmits the rotating motion to the sliding block 414, the two side walls of the sliding block 414 are protrudingly provided with clamping pieces a4141, the clamping pieces a4141 are used for limiting the movement direction of the sliding block 414, ensuring that it moves along the predetermined track, avoiding the deviation to cause the uneven swing amplitude, and realizing the linear conversion of the power.

[0046] The rack a422 left side is provided with support rod 428, support rod 428 play the role of supporting transmission assembly 42, prevent its deformation when moving, ensure stable movement, support rod 428 right side wall corresponding rack a422 position is provided with clamping strip 423, clamping strip 423 for strengthening the fixed rack, at the same time for rack provides additional guide, prevent the deviation in the process of movement, clamping strip 423 right side wall is provided with clamping groove b4231, clamping groove b4231 and clamping piece b4222 are connected, make the whole transmission mechanism connection is more closely, ensure the stable transmission of power, support rod 428 top is equipped with bearing 427, bearing 427 for guaranteeing transmission rod b425 can rotate smoothly, make it keep stable in the process of swinging, bearing 427 central through the activity installs transmission rod b425, transmission rod b425 right side wall is equipped with gear a424, gear a424 through meshing transmission power, make swinging disc 426 obtain stable swing power, gear a424 side is provided with gear slot b4241, gear slot b4241 ensure the meshing of gear and rack is closely, transmission rod b425 left end through the head body 1 left side wall and fixedly connected swinging disc 426, swinging disc 426 left side wall middle part is fixedly installed fixing piece 43, fixing piece 43 for clamping blood sample tube, adjustable guarantee its can adapt to different specifications of blood sample tube, to meet the detection needs of different scale, fixing piece 43 outer end is provided with fixed groove 44, fixed groove 44 is provided with fixed screw 45 and fixed nut 46, fixed screw 45 and fixed nut 46 for clamping tightly fixing piece 43, prevent blood sample tube from being thrown out in the process of swinging;

[0047] The clamping groove b4231 and the clamping piece b4222 are connected, ensuring that the rack a422 can move stably along the predetermined track, the tooth groove a4221 and the tooth groove b4241 are connected, and the stable transverse movement of the rack a422 further transmits the linear motion to the gear through the meshing of the tooth groove a4221 and the tooth groove b4241, realizing the conversion of linear motion into rotary swinging motion.

[0048] As Figure 2 , 4As shown, in this embodiment, the rotating motion assembly 51 comprises a motor b511 fixedly connected with the inner bottom wall of the rod body 2 through the fixed rod 11, the motor b511 is used for driving rotating motion, the upper surface of the motor b511 is provided with a fixed plate 512 and a rotating shaft b513, the fixed plate 512 plays a role of fixing the linear composite motion mechanism 5 and the transmission rod c522, the upper surfaces of the left and right ends of the fixed plate 512 are provided with limiting pieces 523, the limiting pieces 523 are transversely provided with limiting grooves 5231, the limiting grooves 5231 are used for limiting the role of the transmission rod c522, so that the transmission rod c522 can stably move transversely, the rotating shaft b513 penetrates the surface of the fixed plate 512 and extends out, the rotating shaft b513 is fixedly installed with a rotating disc 514 at the top end, the rotating shaft b513 transmits the rotating motion of the motor b511 to the rotating disc 514, so as to ensure stable power output, the upper surface of the rotating disc 514 is provided with a rotating block 515 near one end of the outer ring side, the rotating block 515 has the same effect as the sliding block 414, and converts the rotating motion into linear motion.

[0049] The upper surfaces of the four corners of the fixed plate 512 are provided with fixed rods 11, the other ends of the fixed rods 11 are fixedly connected with the inner top wall of the rod body 2, and the fixed rods 11 are used for firmly installing mechanisms or assemblies in the device, so as to ensure the stability during motion.

[0050] As shown in the figure, Figure 4 As shown, in this embodiment, the linear motion assembly 52 comprises an annular block b521 sleeved around the rotating block 515, the annular block b521 has the same effect as the annular block a421, the circular motion of the rotating block 515 is limited under the annular block b521, the annular block b521 moves transversely and reciprocally, the left and right outer side walls of the annular block b521 are fixedly connected with transmission rods c522, the linear reciprocating motion of the annular block b521 is transmitted to the transmission rods c522, the left and right transmission rods c522 are movably arranged through the limiting grooves 5231, so as to further ensure the stability of the linear motion of the transmission rods c522, the left end of the left transmission rod penetrates the left side wall of the rod body 2 and is fixedly connected with the right side wall of the head body 1, so as to transmit the linear motion to the head body 1, so as to realize the left and right reciprocating swing and oscillation of the blood sample tube under the action of the swing and oscillation mechanism 4, and the linear motion of the linear composite motion mechanism 5, two motion modes can effectively prevent the blood sample from being stratified or solidified, ensure the consistency of the intensity, time and mode of each mixing, and greatly improve the accuracy and reliability of the detection result.

[0051] As shown in the figure, Figure 1 , 2As shown, in the embodiment, the left side of the front side wall of the base 3 is provided with a switch 31 for controlling the start and stop of the device, facilitating user operation, the lower right side is provided with a control button 32 for selecting different mixing modes or adjusting mixing parameters, improving the applicability of the equipment, the upper side is provided with a display screen 33 for displaying mixing state, time, speed and other information in real time, enabling users to intuitively understand the operation of the equipment, and the middle of the right side wall is provided with a power cord 34 for powering the equipment to ensure continuous and stable operation.

[0052] The lower end of the rod body 2 is fixedly connected to the upper surface right end of the base 3, ensuring that the entire device structure is stable and not prone to shaking or rotating.

[0053] The working principle and use process of the technical solution are as follows: in the use process, first, the user needs to correctly place the mixed blood sample collection tube into the fixing part 43 of the device; then the user selects the appropriate mixing mode through the control button 32 or touch screen interface on the base 3, including mixing time, shaking frequency, rotation speed and other parameters, which can be adjusted according to different specifications of blood sample tubes and different detection requirements to ensure the optimization of mixing effect; after starting the equipment, the motor a411 in the driving assembly 41 starts to work, the fixedly connected rotating shaft a412 drives the transmission rod a413, the sliding block 414 moves along the preset track in a reciprocating circular manner, the reciprocating circular motion of the sliding block 414 further drives the lateral movement of the annular block a421, and the rack a422 moves laterally under the limitation of the clamping strip 423, further the tooth groove a4221 on the upper surface of the clamping strip 423 transmits linear motion to the gear a424, and converts linear motion into rocking motion, through the action of the transmission rod b425, finally the rocking disc 426 starts to swing left and right, under the clamping action of the fixing part 43, the blood sample tube can be stably driven to move, simulating the manual shaking mode to shake the blood sample at an appropriate amplitude and frequency.

[0054] At the same time, the linear compound motion mechanism 5 also starts to work, after the motor b511 starts to work, the rotating shaft b513 drives the rotating disc 514 to rotate, then drives the rotating block 515 to rotate, the annular block b521 moves linearly under the action of the rotating block 515, further drives the lateral movement of the transmission rod c522, the transmission rod c522 is fixedly connected with the head body 1, so that the blood sample tube moves linearly while being shaken, so that the blood sample tube can move slightly forward and backward during rotation, further enhancing the mixing uniformity.

[0055] During the whole mixing process, the control system built in the device can adjust the oscillation frequency and rotation speed according to the set mixing mode, ensure that the blood sample is always in the best mixing state, avoid the generation of bubbles due to too violent oscillation or insufficient mixing due to insufficient force, and after the set mixing time is reached, the device will automatically stop working, the swing oscillation mechanism 4 and the linear compound motion mechanism 5 gradually slow down until completely stop, so as to avoid the blood sample tube shaking or liquid splashing caused by sudden stop, at this time, the user can take out the fully mixed blood sample tube from the fixed clamp for subsequent analysis and detection.

[0056] The utility model has been further described in combination with the embodiment above, but the utility model is not limited to the above-mentioned implementation manners, within the knowledge range possessed by the ordinary skilled in the art, various changes can also be made without departing from the purpose of the utility model.

Claims

1. An arterial blood homogenizer comprising a head body (1), a stem body (2) and a base (3), characterized in that: Also include: Rocking mechanism (4) and linear compound motion mechanism (5); wherein: Rocking mechanism (4) includes the driving assembly (41) fixedly installed in the head body (1) through the fixed rod (11), the left end of the driving assembly (41) is movably connected with the transmission assembly (42), the left end of the transmission assembly (42) penetrates the left side wall of the head body (1) and is provided with a fixing piece (43); Linear compound motion mechanism (5) includes rotating motion assembly (51) fixedly installed in the left end of the rod body (2) through the fixed rod (11), and the upper end of the rotating motion assembly (51) is movably connected with linear motion assembly (52).

2. The arterial blood homogenizer of claim 1, wherein: The driving assembly (41) includes motor a (411) fixedly connected with the inner wall of the head body (1) through the fixed rod (11), the left end of the motor a (411) is provided with a rotating shaft a (412), the rotating shaft a (412) is fixedly connected with a transmission rod a (413), the other end of the transmission rod a (413) is movably connected with a sliding block (414), and the two side walls of the sliding block (414) are provided with clamping pieces a (4141) protruding.

3. The arterial blood homogenizer of claim 1, wherein: The transmission assembly (42) includes a sliding block (414) movably sleeved with an annular block a (421) around the sliding block (414), the left and right inner side walls of the annular block a (421) are provided with clamping grooves a (4211), the left side wall of the annular block a (421) is provided with a rack a (422) transversely, the upper surface of the rack a (422) is provided with a gear groove a (4221), and the left side wall is provided with a clamping piece b (4222). The left side of the rack a (422) is provided with a supporting rod (428), the right side wall of the supporting rod (428) is provided with a clamping strip (423) corresponding to the position of the rack a (422), the right side wall of the clamping strip (423) is provided with a clamping groove b (4231), the top of the supporting rod (428) is provided with a bearing (427), the bearing (427) is provided with a transmission rod b (425) penetratingly movably installed in the center, the right side wall of the transmission rod b (425) is provided with a gear a (424), the gear a (424) is provided with a gear groove b (4241) around the side, the left end of the transmission rod b (425) penetrates the left side wall of the head body (1) and extends out and is fixedly connected with a rocking disc (426), the left side wall of the rocking disc (426) is fixedly installed with a fixing piece (43) in the middle, the outer end of the fixing piece (43) is provided with a fixed groove (44), and the fixed groove (44) is provided with a fixed screw rod (45) and a fixed nut (46) in the inside; The clamping groove b (4231) is connected with the clamping piece b (4222), and the gear groove a (4221) is connected with the gear groove b (4241).

4. The arterial blood homogenizer of claim 1, wherein: The rotating motion assembly (51) includes motor b (511) fixedly connected with the inner bottom wall of the rod body (2) through the fixed rod (11), the upper surface of the motor b (511) is provided with a fixed plate (512) and a rotating shaft b (513), the upper surfaces of the left and right ends of the fixed plate (512) are provided with limiting pieces (523), the limiting pieces (523) are provided with limiting grooves (5231) transversely, the rotating shaft b (513) penetrates the surface of the fixed plate (512) and extends out, the top end of the rotating shaft b (513) is fixedly installed with a rotating disc (514), and the upper surface of the rotating disc (514) is provided with a rotating block (515) close to one end of the outer ring side; The fixed plate (512) upper surface four corner positions are equipped with fixed rods (11), and the other end of the fixed rods (11) is fixedly connected with the inner top wall of the rod body (2).

5. The arterial blood homogenizer of claim 1, wherein: The linear motion assembly (52) comprises an annular block b (521) sleeved on the circumferential side of the rotating block (515), and the left and right outer side walls of the annular block b (521) are fixedly connected with transmission rods c (522). The left and right transmission rods c (522) are movably arranged through the limiting grooves (5231), and the left end of the left transmission rod is arranged through the left side wall of the rod body (2) and is fixedly connected with the right side wall of the head body (1).

6. The arterial blood homogenizer of claim 1, wherein: The left side of the front side wall of the base (3) is provided with a switch (31), the lower right side is provided with a control button (32), the upper side is provided with a display screen (33), and the right side wall is provided with a power cord (34). The lower end of the rod body (2) is fixedly connected with the right end of the upper surface of the base (3).