CN217787120U - Liquid way clot detector - Google Patents

Abstract

The utility model discloses a liquid way clot detector, include: the device comprises a sampling arm module, a reaction disk module, a first driving module and a second driving module; the sampling arm module is connected with the first driving module; the reaction disk module is connected with the second driving module; the reaction disk module is provided with a plurality of test tube grooves which are distributed in a circular shape; the sampling arm module is provided with a sampling needle, and the test tube grooves are all parallel to the sampling needle; the second driving module drives the reaction disc module to rotate so as to enable the test tube grooves to sequentially rotate to the position below the sampling needle; first drive module drive sample arm module goes up and down to make the liquid that awaits measuring in the test tube of sampling needle absorption test tube inslot. In the prior art, the moving distance required by sampling the sampling needles one by one is too long, and the sampling speed of the equipment is relatively low. The utility model discloses a cooperation between reaction disc module and the sampling arm module can realize that the high efficiency takes out the liquid in the sample, when the quantity of waiting to take a sample the test tube is more, effectively shortens the user and acquires the latency of testing result.

Description

Liquid way clot detector

Technical Field

The utility model relates to a medical science intelligent education field especially relates to a liquid way clot detector.

Background

In liquid samples to be examined in the medical field, some samples have macroscopic clots, but there are also a large number of clots that cannot be detected by naked eyes, and detection is required by a liquid path clot detection device. The liquid way clot check out test set of prior art mainly through the removal of sampling needle to and the lift of sampling needle, realize the automated inspection to the clot. However, when the number of the test tubes to be sampled is large, the moving distance required by sampling one by the sampling needle is too long, the sampling speed of the equipment is slow, and the efficiency still needs to be improved.

Therefore, it is necessary to develop a liquid path clot detection device capable of efficiently taking out liquid, so as to effectively shorten the waiting time for a user to obtain a detection result when the number of test tubes to be sampled is large.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: how to design a liquid way clot detector, can realize the high efficiency and take out the liquid in the sample, treat when the quantity of sample test tube is more, effectively shorten the user and obtain the latency of testing result.

In order to solve the above problem, the embodiment of the utility model provides a liquid way clot detector is provided, through the cooperation between reaction disc module and the sampling arm module, can realize the high efficiency and take out the liquid in the sample, when the quantity of waiting to take a sample test tube is more, effectively shortens the user and acquires the latency of testing result.

The embodiment of the utility model provides a liquid way clot detector, include: the device comprises a sampling arm module, a reaction disc module, a first driving module and a second driving module; the sampling arm module is connected with the first driving module; the reaction disk module is connected with the second driving module; the reaction disc module is provided with a plurality of test tube grooves which are distributed in a circular shape; the sampling arm module is provided with a sampling needle, and the test tube grooves are all parallel to the sampling needle; the second driving module drives the reaction disk module to rotate, so that the test tube slots sequentially rotate to the position below the sampling needle; the first driving module drives the sampling arm module to lift so that the sampling needle absorbs liquid to be detected in a test tube in the test tube groove.

The further technical scheme is that the device also comprises a cleaning table, a liquid storage container, a first flow guide module, a second flow guide module and a base; the second driving module, the first driving module, the cleaning platform and the liquid storage container are all arranged on the base; the first diversion module is respectively connected with the cleaning platform, the liquid storage container and the sampling arm module; the second diversion module is respectively connected with the cleaning platform and the liquid storage container.

The further technical scheme is that the blood clot detection device also comprises a clot detection module, wherein the clot detection module comprises a pressure sensor; the first flow guide module comprises an infusion tube, the infusion tube is connected with the sampling needle in a sealing mode, and the pressure sensor is connected with the infusion tube.

The liquid level detector is fixedly connected with the sampling arm module; and a liquid level sensor is arranged on the sampling needle and is electrically connected with the liquid level detector.

The technical scheme is that the clot detection device further comprises a control panel, wherein the control panel is connected with the base, and the clot detection module, the liquid level detector, the second driving module and the first driving module are connected with the control panel.

The further technical scheme is that a diaphragm pump is arranged in the first flow guide module and connected with the liquid storage container.

The technical scheme is that a plunger pump is arranged in the first flow guide module and connected with the sampling needle.

The technical scheme is that a three-way valve is arranged in the first flow guide module and comprises a first valve, a second valve and a third valve, the first valve is connected with the cleaning table, the second valve is connected with the diaphragm pump, and the third valve is connected with the plunger pump.

The technical scheme is that a rotary pump is arranged in the second flow guide module and is respectively connected with the cleaning table and the liquid storage container.

The technical scheme is that a first stepping motor and a first bearing module are arranged in the first driving module, and a second stepping motor and a second bearing module are arranged in the second driving module; the first stepping motor is connected with the first bearing module, and the first bearing module is connected with the sampling arm module; the second stepping motor is connected with the second bearing module, and the second bearing module is connected with the reaction disk module.

To sum up, the required displacement overlength of sample needle sample one by one among the prior art, the sampling speed of equipment is slower, and the beneficial effects of the utility model are that: through the cooperation between reaction plate module and the sampling arm module, can realize the high efficiency and take out the liquid in the sample, treat the quantity of sample test tube when more, effectively shorten the user and acquire the latency of testing result.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is an external view of a clot detector for a fluid path according to an embodiment of the present invention.

Fig. 2 is another external view of a clot detector for fluid paths according to an embodiment of the present invention.

Fig. 3 is a control block diagram of a liquid path clot detector according to an embodiment of the present invention.

Fig. 4 is another control block diagram of a clot detector for fluid paths according to an embodiment of the present invention.

Fig. 5 is another control block diagram of a liquid path clot detector according to an embodiment of the present invention.

Fig. 6 is another control block diagram of a liquid path clot detector according to an embodiment of the present invention.

Fig. 7 is another control block diagram of a clot detector for fluid paths according to an embodiment of the present invention.

Fig. 8 is another control block diagram of a clot detector according to an embodiment of the present invention.

Reference numerals

The device comprises a first driving module 10, a first stepping motor 11, a first bearing module 12, a second driving module 20, a second stepping motor 21, a second bearing module 22, a sampling arm module 30, a sampling needle 31, a perfusion tube 32, a reaction disk module 40, a test tube groove 41, a first flow guide module 50, a diaphragm pump 51, a plunger pump 52, a three-way valve 53, a first valve 54, a second valve 55, a third valve 56, a second flow guide module 60, a rotary pump 61, a base 70, a cleaning table 71, a liquid storage container 72, a control panel 73, a clot detection module 80, a pressure sensor 81, a liquid level detector 82 and a liquid level sensor 83

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, wherein like component numbers represent like components. It is obvious that the embodiments to be described below are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is to be understood that the terminology used in the description of the embodiments of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the invention. As used in the description of the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

Examples

Referring to fig. 1-8, a fluid path clot detector provided for an embodiment of the present invention includes: a sampling arm module 30, a reaction disk module 40, a first driving module 10 and a second driving module 20; the sampling arm module 30 is connected with the first driving module 10; the reaction disk module 40 is connected with the second driving module 20; the reaction disk module 40 is provided with a plurality of test tube slots 41, and the plurality of test tube slots 41 are distributed in a circular shape; the sampling arm module 30 is provided with a sampling needle 31, the sampling needle 31 is tubular to realize a sampling function, and the test tube grooves 41 are all parallel to the sampling needle 31; the second driving module 20 drives the reaction disk module 40 to rotate, so that the test tube slots 41 sequentially rotate to the lower part of the sampling needle 31; the first driving module 10 drives the sampling arm module 30 to ascend and descend, so that the sampling needle 31 sucks the liquid to be tested in the test tube groove 41.

In the above solution, the sampling arm module 30 and the first driving module 10 rotate synchronously, and the reaction disk module 40 and the second driving module 20 rotate synchronously; the number of the test tube grooves 41 may be any natural number of 10 or more, preferably 20; the number of the sampling needles 31 may be 1, and in the process of lifting the sampling arm module 30, the sampling needles 31 may extend into or out of the test tube slots 41 from top to bottom without contacting the test tube slots 41; the length of the sampling arm module 30 which horizontally rotates is matched with the position of the test tube slot 41 on the reaction disk module 40, so that the sampling needle 31 can move to the position right above the center of the test tube slot 41 on the side of the reaction disk module 40 closest to the sampling arm module 30, and the sampling work is further completed.

The technical effect of above-mentioned scheme does, with the process that the sampling needle long distance removed in the middle of the sample arm module, through the rotatory substitution of reaction plate module, the position of test tube groove is also adjusted to the reaction plate module in the lifting of sampling needle, the long distance motion of sampling needle has been avoided, through the cooperation between reaction plate module and the sample arm module promptly, can realize the high efficiency and take out the liquid in the sample, when the quantity of waiting to take a sample the test tube is more, effectively shorten the user and acquire the latency of testing result.

Further, the liquid path clot detector further comprises a cleaning table 71, a liquid storage container 72, a first diversion module 50, a second diversion module 60 and a base 70; the second driving module 20, the first driving module 10, the cleaning platform 71 and the liquid storage container 72 are all arranged on the base 70; the first diversion module 50 is respectively connected with the cleaning platform 71, the liquid storage container 72 and the sampling arm module 30; the second diversion module 60 is respectively connected with the cleaning platform 71 and the liquid storage container 72. The first diversion module 50 is used for realizing the flow of liquid in the detector, and the second diversion module 60 is used for realizing the communication between the cleaning platform 71 and the liquid storage container 72. The technical effects are that the cleaning of the sampling needle 31 and the storage of the liquid can be realized in the detection process, and the mixing and cross infection among the liquids to be detected are avoided.

Further, the liquid path clot detector further comprises a clot detection module 80, wherein the clot detection module 80 comprises a pressure sensor 81; the first diversion module 50 includes an infusion tube 32, the infusion tube 32 is hermetically connected with the sampling needle 31, and the pressure sensor 81 is connected with the infusion tube 32. Wherein, the clot detection of liquid way is realized through the pressure change that detects the liquid way, pressure sensor 81's both ends are communicating, connect sampling needle 31 and first water conservancy diversion module 50 together through transfer line 32, the sample of sampling needle and application of sample process all can pass through transfer line 32, and transfer line 32 links to each other with pressure sensor 81, in the sample process, air and liquid can flow, the pressure that produces to the pipe wall can change, the surface pressure that pressure sensor 81 detected also changes consequently, through judging the change of surface pressure, just can know that what draw out was liquid or clot, thereby reach the mesh that the clot detected.

Specifically, when the sampling needle 31 is inserted into the liquid to be measured, the liquid to be measured blocks one end of the sampling needle 31, so that the air pressure in the sampling needle 31 changes, and meanwhile, the air pressure in the infusion tube 32 changes, and the pressure sensor 81 senses the change through the infusion tube 32; in one embodiment, the clot detection module 80 is fixedly attached to the sampling arm module 30, and the clot detection module 80 may be secured to the base of the sampling arm module 30; if the sampling needle 31 descends to a certain height, the clot detection module 80 does not detect the liquid level in the test tube, that is, the pressure sensor 81 senses that the air pressure in the infusion tube 32 has no change, the position is considered to have no test tube, at this moment, the sampling arm module 30 ascends to the highest position, the reaction disc module 40 rotates, the test tube in the next test tube groove 41 is rotated to the position right below the sampling needle 31, and the process is repeated until the sampling needle 31 finishes detecting all the test tubes. The technical effect is that the clot detection module 80 senses the change of the pressure in the sealed space inside the sampling needle 31 through the pressure sensor 81, the sampling needle 31 and the infusion tube 32, and then can judge whether the extracted liquid to be detected is pure liquid or a clot is formed.

Further, the liquid path clot detector further comprises a liquid level detector 82, wherein the liquid level detector 82 is fixedly connected with the sampling arm module 30; the sampling needle 31 is provided with a liquid level sensor 83, and the liquid level sensor 83 is electrically connected with the liquid level detector 82. Specifically, the liquid level detection process is determined according to the capacitance change, two needle tubes with different inner diameters are arranged in the sampling needle 31, the two needle tubes are two pole plates, the middle of the inner needle tube and the middle of the outer needle tube are filled with insulating materials to be separated, and the outer needle tube is connected with the reference ground. As the sampling needle contacts the liquid level, the medium in the sampling needle 31 is changed from air into mixture of air and liquid, which causes the capacitance to change, the inner tube of the sampling needle 31 is connected to another capacitance conditioning detection circuit, and the contact condition of the sampling needle 31 and the liquid level can be determined by detecting the change of the capacitance. When the sampling needle 31 is used for sampling liquid in a test tube, the liquid is gradually reduced, so that the sampling needle 31 can effectively suck the liquid at a lower position, but the sampling needle 31 easily touches the test tube at a too low position. The technical effect is that the contact condition of the sampling needle 31 and the liquid level can be determined, and meanwhile, the sampling needle 31 is prevented from colliding with the bottom of the test tube.

Further, the fluid path clot detector further comprises a control board 73, wherein the control board 73 is connected with the base 70, and the clot detection module 80, the fluid level detector 82, the second driving module 20 and the first driving module 10 are all connected with the control board 73. Wherein, the control board 73 may include a key for starting the homing calibration and a key for starting the verification operation. The technical effect is that the control of the sampling arm module 30 and the reaction disk module 40 is realized through the control panel 73, and then the control of the whole liquid path clot detector is realized.

Further, a diaphragm pump 51 is arranged in the first flow guide module 50 of the liquid path clot detector, and the diaphragm pump 51 is connected with the liquid storage container 72. The technical effect is that liquid is pumped out of the liquid storage container 72 by the diaphragm pump 51 to force the liquid into the cleaning table 71 for inner wall cleaning or outer wall cleaning.

Further, a plunger pump 52 is arranged in the first flow guide module 50 of the liquid path clot detector, and the plunger pump 52 is connected with the sampling needle 31. The technical effect is that the plunger pump 52 controls the liquid suction and discharge of the sampling needle 31, thereby avoiding pollution.

Further, a three-way valve 53 is provided in the first flow guide module 50 of the fluid clot detector, the three-way valve 53 includes a first valve 54, a second valve 55, and a third valve 56, the first valve 54 is connected to the washing table 71, the second valve 55 is connected to the diaphragm pump 51, and the third valve 56 is connected to the plunger pump 52. The three-way valve 53 can switch the flow direction of the liquid, and the first valve 54, the second valve 55 and the third valve 56 can be communicated with each other. The technical effects are that the diaphragm pump 51, the plunger pump 52 and the cleaning platform 71 are communicated, when the inner wall is cleaned, liquid can be pumped out of the liquid storage container 72 through the diaphragm pump 51 and then enters the plunger pump 52 through the three-way valve 53 to avoid pollution, and finally the liquid is pumped out of the sampling needle 31 to the cleaning platform 71.

Furthermore, a rotary pump 61 is arranged in the second diversion module 60 of the liquid path clot detector, and the rotary pump 61 is respectively connected with the cleaning platform 71 and the liquid storage container 72. The technical effect is that after the cleaning platform 71 and the liquid storage container 72 are communicated, the liquid can be recovered by the rotary pump 61 in the second diversion module 60.

Furthermore, a first stepping motor 11 and a first bearing module 12 are arranged in the first driving module 10, and a second stepping motor 21 and a second bearing module 22 are arranged in the second driving module 20; the first stepper motor 11 is connected with the first bearing module 12, and the first bearing module 12 is connected with the sampling arm module 30; the second stepper motor 21 is connected to the second bearing module 22, and the second bearing module 22 is connected to the reaction disk module 40. The technical effect is that the first driving module 10 realizes the lifting and translation of the sampling arm module 30 through the first stepping motor 11, so as to realize the sampling of the sampling needle 31 for the liquid; the second driving module 20 realizes the rotation of the reaction disk module 40 through the second stepping motor 21, so as to further improve the efficiency of detecting and sampling by cooperating with the sampling arm module 30.

To sum up, the required displacement overlength of sample needle sample one by one among the prior art, the sampling speed of equipment is slower, and the beneficial effects of the utility model are that: through the cooperation between reaction disc module and the sampling arm module, can realize the high efficiency and take out the liquid in the sample, when the quantity of waiting to take a sample the test tube is more, effectively shorten the user and acquire the latency of testing result.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, while the invention has been described with respect to certain embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

The above description is for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A fluid pathway clot detector, comprising:

the device comprises a sampling arm module, a reaction disk module, a first driving module and a second driving module;

the sampling arm module is connected with the first driving module; the reaction disk module is connected with the second driving module;

the reaction disk module is provided with a plurality of test tube grooves which are distributed in a circular shape; the sampling arm module is provided with a sampling needle, and the test tube grooves are all parallel to the sampling needle;

the second driving module drives the reaction disk module to rotate, so that the test tube slots sequentially rotate to the position below the sampling needle;

the first driving module drives the sampling arm module to lift, so that the sampling needle absorbs liquid to be detected in a test tube in the test tube groove.

2. The fluid pathway clot detector of claim 1, wherein:

the cleaning device also comprises a cleaning platform, a liquid storage container, a first flow guide module, a second flow guide module and a base;

the second driving module, the first driving module, the cleaning platform and the liquid storage container are all arranged on the base;

the first flow guide module is respectively connected with the cleaning platform, the liquid storage container and the sampling arm module; the second diversion module is respectively connected with the cleaning platform and the liquid storage container.

3. The fluid path clot detector of claim 2, wherein:

further comprising a clot detection module comprising a pressure sensor;

the first flow guide module comprises a transfusion tube, the transfusion tube is connected with the sampling needle in a sealing mode, and the pressure sensor is connected with the transfusion tube.

4. The fluid path clot detector of claim 3, wherein:

the liquid level detector is fixedly connected with the sampling arm module;

and a liquid level sensor is arranged on the sampling needle and is electrically connected with the liquid level detector.

5. The fluid pathway clot detector of claim 4, wherein:

still include the control panel, the control panel with the base is connected, clot detection module the liquid level detector, second drive module and first drive module all with the control panel is connected.

6. The fluid path clot detector of claim 2, wherein:

and a diaphragm pump is arranged in the first flow guide module and is connected with the liquid storage container.

7. The fluid pathway clot detector of claim 6, wherein:

and a plunger pump is arranged in the first flow guide module and is connected with the sampling needle.

8. The fluid pathway clot detector of claim 7, wherein:

be equipped with the three-way valve in the first water conservancy diversion module, the three-way valve includes first valve, second valve and third valve, first valve with the purge table is connected, the second valve with the diaphragm pump is connected, the third valve with the plunger pump is connected.

9. The fluid path clot detector of claim 8, wherein:

and a rotary pump is arranged in the second diversion module and is respectively connected with the cleaning platform and the liquid storage container.

10. The fluid pathway clot detector of claim 1, wherein:

a first stepping motor and a first bearing module are arranged in the first driving module, and a second stepping motor and a second bearing module are arranged in the second driving module;

the first stepping motor is connected with the first bearing module, and the first bearing module is connected with the sampling arm module;

the second stepping motor is connected with the second bearing module, and the second bearing module is connected with the reaction disk module.

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