CN215877684U

CN215877684U - Automatic blending device and blood sampling device with same

Info

Publication number: CN215877684U
Application number: CN202121554382.4U
Authority: CN
Inventors: 李情操; 吴巧萍; 郑亚华; 李娟�; 卢雯君
Original assignee: Ningbo Medical Center Lihuili Hospital
Current assignee: Ningbo Medical Center Lihuili Hospital
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2022-02-22
Anticipated expiration: 2031-07-08

Abstract

The utility model relates to an automatic blending device and a blood sampling device using the same, comprising a shell, a control mechanism, a roll shaft pair and an inductor; the roll shaft pairs are provided with at least one group, are erected on the shell and can rotate relative to the shell, and each group of roll shaft pairs form a rotating space; when the sensor senses that the blood collection tube is loaded on the rotating space, a starting signal can be sent to the control mechanism; under the condition that the control mechanism receives the starting signal, the control mechanism controls the roller shaft pair bearing the blood sampling tube to rotate, so that the blood sampling tube rotates for a preset time, and then the blending operation is completed; compared with the prior art, the blood sampling tube mixing device has the advantages that only when the sensor senses that the blood sampling tube is placed in, the control mechanism controls the roller shaft pair to rotate, so that the blood sampling tube rotates within preset time, mixing is completed, the mixing time of the blood sampling tube is constant, the mixing quality of a blood sample is improved, the structure is simple, and the realization is easy.

Description

Automatic blending device and blood sampling device with same

Technical Field

The utility model relates to the technical field of clinical medicine, in particular to an automatic blending device.

Background

The collection of clinical blood anticoagulation specimens is an important link of current clinical work, wherein the types of the blood anticoagulation specimens and the anticoagulation requirements are different, and particularly, the requirements on timely mixing after blood collection by taking blood routine, blood coagulation function, blood sedimentation and the like as the most routine examination items are strict; however, clinical patients need to collect more blood items and tubes, and are affected by factors such as collection environment, collection difficulty and operator proficiency, so that the samples cannot be uniformly mixed while being collected, and therefore, the occurrence rate of blood anticoagulation sample agglutination is high, and related item detection result errors, secondary patient review, medical dispute complaints and other frequent cases are caused; therefore, a Chinese utility model with the patent number ZL201821395061.2, which is a shaking device for clinical blood collection tubes, discloses a device comprising a base, wherein the upper end of the base is connected with a first L-shaped support and a second L-shaped support, the first L-shaped support and the second L-shaped support both comprise a vertical part and a horizontal part, the vertical part of the first L-shaped support and the vertical part of the second L-shaped support are oppositely arranged, the side wall of the first L-shaped support is rotatably connected with a first rotating shaft, one end of the first rotating shaft, far away from the first L-shaped support, is fixedly connected with the side wall of a placing plate, the side wall of the placing plate, far away from the first rotating shaft, is fixedly connected with a second rotating shaft, and the upper end of the base is fixedly connected with a cabinet body; the device with the heparin tube centre gripping on the support and carry out the mixing through driving motor, work efficiency has been improved, and improved the quality of mixing to a certain extent, nevertheless the blood sampling in-process, the heparin tube carries out the mixing in putting into the device in proper order, so when the device mixing is put into to last heparin tube, the heparin tube of first putting into can influence the quality of blood sample because of mixing time overlength, in addition, clinical blood sampling needs to be operated through the nurse in the ward sometimes, the device is too heavy will be unfavorable for nurse's carrying, for this, need make further improvement to prior art.

Disclosure of Invention

The first technical problem to be solved by the present invention is to provide an automatic blending device that can control the blending time of each blood sampling tube and is convenient to carry, in view of the above technical situation.

The second technical problem to be solved by the present invention is to provide an automatic mixing device that can control the mixing time of each blood sampling tube by a single driving source, in view of the above technical situation.

The third technical problem to be solved by the present invention is to provide a blood sampling device using the automatic mixing device in view of the above technical situation.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: this automatic mixing device, include the casing and install control mechanism in the casing, its characterized in that: further comprising:

the roller shaft pairs are erected in the middle of the shell and can rotate relative to the shell, and each roller shaft pair forms a rotating space for bearing and driving the blood sampling tube to rotate;

the sensor is arranged corresponding to each group of roller shaft pairs and used for sensing whether the blood sampling tube is loaded on each rotating space and sending a starting signal to the control mechanism;

control mechanism receives under the state of the enabling signal of inductor, control mechanism control bears the weight of the heparin tube the roller is to taking place to rotate to make the heparin tube take place the rotation of presetting time, accomplish the mixing operation then. Through preset time in control mechanism to the control bears the weight of the roller of heparin tube and to the rotation of taking place preset time, makes every heparin tube of putting into only take place preset time's rotation, has avoided mixing time overlength to lead to the blood sample in the heparin tube to take place to deteriorate.

To solve the second technical problem, preferably, the housing includes a housing for housing the control mechanism, the control mechanism includes a driving member, and a transmission mechanism for alternatively transmitting a driving force of the driving member to each of the roller shaft pairs, the transmission mechanism includes:

at least one group of driven wheel pairs, wherein each group of driven wheel pairs is correspondingly arranged at the end part of the corresponding roll shaft pair;

the driving wheels are arranged in the centers of the corresponding driven wheel pairs and are arranged on the side walls of the containing shell, correspondingly, the side walls are provided with sliding grooves for mounting the driving wheels, and the driving wheels can move upwards along the sliding grooves under the control of the control mechanism and are correspondingly meshed with the driven wheel pairs on the roller shaft pairs;

and the annular belt group comprises a first annular belt wound between the adjacent driving wheels and a second annular belt wound between the driving wheel closest to the driving piece and the driving piece so as to transmit the driving force generated by the driving piece to each driving wheel. Only use a driving piece to through increase action wheel and driven wheel pair in drive mechanism, utilize the rotation at the time of predetermineeing of going up or moving down of control mechanism control action wheel to realize the heparin tube, when having solved technical problem well, the realization mode is simple, and the cost has obtained effectual reduction.

In order to better control the upward movement or downward movement of the driving wheel, preferably, the control mechanism further comprises:

the electromagnetic switch is arranged on the side wall of the containing shell, correspondingly, the side wall is provided with an installation part for installing the electromagnetic switch, and the electromagnetic switch is connected with the driving wheel and controls the driving wheel to move upwards;

and the control board is accommodated in the accommodating shell and used for receiving and processing the starting signal sent by the inductor and transmitting the opening or closing signal to the electromagnetic switch. The electromagnetic switch is closed when being powered on and returns when being powered off, so that the control mechanism can well control the driving wheel to move upwards or downwards.

In order to better install each component in the containing shell, preferably, the end part of each group of roller shaft pairs can penetrate through the side wall of the containing shell to extend into the containing shell and is connected with the driven wheel pair, and correspondingly, the side wall is provided with an opening for the roller shaft pair to extend into; the side wall is also provided with a mounting hole for mounting the inductor.

In order to avoid the operator from misplacing the blood collection tube, it is preferable that a shielding plate is further included, and the shielding plate is arranged on a gap between the roller shaft pairs of the adjacent groups and used for shielding the gap between the roller shaft pairs of the adjacent groups. Through setting up the shielding plate, can avoid the operator to put into the heparin tube on the gap between adjacent group's roller is right for the heparin tube can only be put into the rotation space, makes the rotation time of heparin tube invariable then.

In order to conveniently supply power to the device, the device preferably further comprises a storage battery arranged in the accommodating shell, wherein the storage battery is charged through the socket and supplies power to the control mechanism and the inductor. The power is supplied by the storage battery, so that the number of plug wire heads is reduced, and the device is more portable.

In order to solve the third technical problem, preferably, the present invention further provides a blood sampling device with an automatic blending device, including the housing, and characterized in that: the shell is provided with a containing cavity for containing the blood sampling needle box, the iodophor bottle and the hemostatic cotton bottle. The blood sampling device can facilitate the direct blending operation of an operator after blood sampling.

Compared with the prior art, the blood sampling tube mixing device has the advantages that only when the sensor senses that the blood sampling tube is placed in, the control mechanism controls the roller shaft pair to rotate, so that the blood sampling tube rotates within preset time, mixing is completed, the mixing time of the blood sampling tube is constant, the mixing quality of a blood sample is improved, the structure is simple, and the realization is easy.

Drawings

FIG. 1 is an overall schematic view of a blood collection set according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the use of the apparatus in an embodiment of the present invention;

FIG. 3 is an exploded view of FIG. 1 in an embodiment of the present invention;

FIG. 4 is a schematic view of the internal components of the containment case of the device in an embodiment of the present invention;

FIG. 5 is a schematic diagram of an internal structure of the containment case of FIG. 4 according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of FIG. 4 in an embodiment of the present invention;

FIG. 7 is an exploded view 1 of FIG. 4 in an embodiment of the present invention;

FIG. 8 is an exploded view 2 of FIG. 4 in an embodiment of the present invention;

fig. 9 is an enlarged view of a portion a in fig. 8 according to an embodiment of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in FIGS. 1 to 9, the preferred embodiment of the present invention is shown. The automatic blending device of the embodiment comprises a shell 1, a control mechanism 2, a roll shaft pair 3 and an inductor 5; wherein, the control mechanism 2 is arranged in the shell 1; the roller shaft pairs 3 are provided with four groups, are erected in the middle of the shell 1 and can rotate relative to the shell 1, and each roller shaft pair 3 forms a rotating space 31 for bearing and driving the blood sampling tube 4 to rotate; in addition, the sensor 5 is arranged corresponding to each set of roller shaft pairs 3, and is used for sensing whether the blood collection tube 4 is loaded on each rotating space 31 and sending a starting signal to the control mechanism 3; under control mechanism 2 received the start signal's of inductor 5 state, control mechanism 2 control bears the weight of the roller of taking one's breath 4 and takes place to rotate 3 to make the rotation of taking place the time of predetermineeing of taking one's breath 4, accomplish the mixing operation then. Through time of predetermineeing in control mechanism 2 to the control bears the weight of the roller of heparin tube 4 and takes place the rotation of time of predetermineeing to 3, makes every heparin tube 4 of putting into only take place the rotation of time of predetermineeing, has avoided mixing time overlength to lead to the blood sample in the heparin tube 4 to take place to deteriorate.

In order to control the mixing time of each blood sampling tube 4 under the condition of only providing a single driving source, the mixing device is specifically realized by the following structure: the housing 1 of the present embodiment includes a housing case 11 for housing the control mechanism 2, the control mechanism 2 includes a driving member 21, and a transmission mechanism 22 for transmitting the driving force of the driving member 21 to each set of roller shaft pairs 3 alternatively, the transmission mechanism 22 includes a driven roller pair 221, a driving roller 222, and an endless belt 223; the driven wheel pairs 221 are provided with four groups, each group of driven wheel pairs 221 is correspondingly installed at the end part of the corresponding roller shaft pair 3, the end part of the roller shaft pair 3 can penetrate through the side wall 111 of the accommodating shell 11 and extend into the accommodating shell 11 to be connected with the driven wheel pair 221, and correspondingly, the side wall 111 is provided with an opening 1113 for the roller shaft pair 3 to extend into; the number of the driving wheels 222 is the same as the number of the groups of the driven wheel pairs 221, each driving wheel 222 is arranged in the center of the corresponding driven wheel pair 221 and is mounted on the side wall 111 of the accommodating shell 11, correspondingly, the side wall 111 is provided with a sliding groove 1111 for mounting the driving wheel 222, and under the control of the control mechanism 2, the driving wheel 222 can move upwards along the sliding groove 1111 and correspondingly engage with the driven wheel pairs 221 on each group of roller shaft pairs 3; finally, the endless belt 223 includes a first endless belt 2231 wound around between the adjacent driving wheels 222 and a second endless belt 2232 wound around between the driving wheel 222 nearest to the driving member 21 and the driving member 21 to transmit the driving force generated by the driving member 21 to each driving wheel 222; in addition, the sidewall 111 of the present embodiment is further opened with a mounting hole 1114 for mounting the inductor 5. Only one driving member 21 is used, the driving wheel 222 and the driven wheel pair 221 are added in the transmission mechanism 22, and the control mechanism 2 is used for controlling the driving wheel 222 to move upwards or downwards to realize the rotation of the blood collection tube 4 in the preset time.

The control mechanism 2 of the present embodiment further includes an electromagnetic switch 23 and a control board 24; the electromagnetic switch 23 is mounted on the side wall 111 of the housing case 11, correspondingly, the side wall 111 is provided with a mounting portion 1112 for mounting the electromagnetic switch 23, the electromagnetic switch 23 is connected with the driving wheel 222, and controls the driving wheel 222 to move upwards; and the control panel 24 is accommodated in the accommodating case 11, and is used for receiving and processing the starting signal sent by the inductor 5 and transmitting the opening or closing signal to the electromagnetic switch 23. The electromagnetic switch 23 is closed when the power is on and returns when the power is off, so that the control mechanism 2 can well control the driving wheel 222 to move up or down.

The automatic blending device of the embodiment also comprises a baffle plate 6 and a storage battery 7; the shielding plates 6 are arranged on gaps between the adjacent groups of roller shaft pairs 3 and used for shielding the gaps between the adjacent groups of roller shaft pairs 3; the storage battery 7 is provided in the housing case 11 in order to supply power to the control mechanism 2 and the inductor 5 conveniently, and the storage battery 7 is charged through the socket 71. By arranging the baffle plate 6, an operator can be prevented from placing the blood collection tube 4 in a gap between the adjacent roller shaft pairs 3, so that the blood collection tube 4 can only be placed in the rotating space 31, and the rotating time of the blood collection tube 4 is constant; and the storage battery 7 is used for supplying power, so that the number of plug wire heads is reduced, and the device is more portable.

The embodiment also provides a blood sampling device with the automatic blending device, which comprises a shell 1, wherein the shell 1 is provided with an accommodating cavity 12 for accommodating a blood sampling needle box 81, an iodophor bottle 82 and a hemostatic cotton bottle 83. Through the blood sampling device, an operator can conveniently and directly carry out blending operation after blood sampling.

To sum up, the use process of this automatic mixing device is as follows: when the blood collection tubes 4 need to be mixed evenly,

(1) turning on the switch to start the operation of the apparatus, wherein the driving force of the driving member 21 is transmitted to the driving wheel 222 nearest to the driving member 21 through the first endless belt 2231, and the driving wheel 222 transmits the driving force to the remaining driving wheels 222 through the second endless belt 2232, so that each driving wheel 222 rotates;

(2) placing the blood collection tube 4 in the rotating space 31 of the set of roller pairs 3, sending a starting signal to the control board 24 when the sensor 5 corresponding to the set of roller pairs 3 senses that the blood collection tube 4 is placed in, receiving and processing the signal by the control board 24, and electrifying the electromagnetic switch 23 corresponding to the set of roller pairs 3 to close the electromagnetic switch 23;

(3) at this time, the driving wheel 222 corresponding to the electromagnetic switch 23 moves up along the sliding slot 1111 under the action of the electromagnetic switch 23, engages with the corresponding driven wheel pair 221 and transmits the driving force to the set of driven wheel pairs 221, and the roller shaft pair 3 corresponding to the set of driven wheel pairs 221 rotates along with the driving force;

(4) because the time is preset in the control board 24, after the roller pair 3 completes the rotation of the preset time, the control board 24 switches off the electromagnetic switch 23, the electromagnetic switch 23 returns to the original position, and controls the driving wheel 222 to move downwards to be separated from the driven wheel pair 221, and the roller pair 3 stops rotating, thereby completing the blending operation of the preset time.

Claims

1. The utility model provides an automatic mixing device, includes casing (1) and installs control mechanism (2) in casing (1), its characterized in that: further comprising:

at least one group of roller pairs (3) is erected in the middle of the shell (1) and can rotate relative to the shell (1), and each group of roller pairs (3) forms a rotating space (31) for bearing and driving the blood sampling tube (4) to rotate;

the sensor (5) is arranged corresponding to each group of roller shaft pairs (3) and is used for sensing whether the blood sampling tube (4) is loaded on each rotating space (31) or not and sending a starting signal to the control mechanism (2);

control mechanism (2) receive under the state of the enabling signal of inductor (5), control mechanism (2) control bears the weight of heparin tube (4) the roller takes place to rotate (3) to make heparin tube (4) take place to predetermine the rotation of time, then accomplish the mixing operation.

2. The automatic blending device of claim 1, wherein: the housing (1) includes a housing case (11) for housing the control mechanism (2), the control mechanism (2) includes a driving member (21), and a transmission mechanism (22) for transmitting a driving force of the driving member (21) to each of the roller shaft pairs (3) alternatively, the transmission mechanism (22) includes:

at least one set of driven wheel pairs (221), each set of driven wheel pairs (221) being correspondingly mounted at the ends of the respective corresponding roll shaft pair (3);

at least one driving wheel (222), each driving wheel (222) is arranged at the center of the corresponding driven wheel pair (221) and is installed on the side wall (111) of the containing shell (11), correspondingly, the side wall (111) is provided with a sliding groove (1111) for installing the driving wheel (222), under the control of the control mechanism (2), the driving wheel (222) can move upwards along the sliding groove (1111) and is correspondingly meshed with the driven wheel pair (221) on each set of the roller shaft pairs (3);

and the annular belt (223) group comprises a first annular belt (2231) wound between the adjacent driving wheels (222) and a second annular belt (2232) wound between the driving wheel (222) nearest to the driving piece (21) and the driving piece (21) so as to transmit the driving force generated by the driving piece (21) to each driving wheel (222).

3. The automatic blending device of claim 2, wherein: the control mechanism (2) further comprises:

the electromagnetic switch (23) is mounted on a side wall (111) of the accommodating shell (11), correspondingly, a mounting part (1112) for mounting the electromagnetic switch (23) is arranged on the side wall (111), and the electromagnetic switch (23) is connected with the driving wheel (222) and controls the driving wheel (222) to move upwards;

and the control board (24) is accommodated in the accommodating shell (11) and is used for receiving and processing the starting signal sent by the inductor (5) and transmitting the opening or closing signal to the electromagnetic switch (23).

4. The automatic blending device of claim 3, wherein: the end parts of the roller shaft pairs (3) of each group can penetrate through the side wall (111) of the containing shell (11) to extend into the containing shell (11) and are connected with the driven wheel pair (221), and correspondingly, the side wall (111) is provided with an opening (1113) for the roller shaft pairs (3) to extend into; the side wall (111) is also provided with a mounting hole (1114) for mounting the inductor (5).

5. The automatic blending device of any one of claims 2 to 4, wherein: the roll shaft pair structure is characterized by further comprising a shielding plate (6) which is arranged in a gap between the adjacent roll shaft pairs (3) and used for shielding the gap between the adjacent roll shaft pairs (3).

6. The automatic blending device of claim 5, wherein: the intelligent control device is characterized by further comprising a storage battery (7) arranged in the containing shell (11), wherein the storage battery (7) is charged through a socket (71) and supplies power to the control mechanism (2) and the inductor (5).

7. A blood sampling device applying the automatic blending device according to any one of claims 1 to 6, which comprises the housing (1), and is characterized in that: the shell (1) is provided with an accommodating cavity (12) for accommodating a blood sampling needle box (81), an iodophor bottle (82) and a hemostatic cotton bottle (83).