Clinical laboratory's self-service fingertip blood sampling deviceTechnical Field
The invention belongs to the technical field of medical blood sampling equipment, and particularly relates to a self-help fingertip blood sampling device for a clinical laboratory.
Background
Clinical laboratory is a bridge between clinical medicine and basic medicine, including clinical chemistry, clinical microbiology, clinical immunology, hematology, body fluids, and transfusion, etc. branch subjects.
The existing fingertip blood sampling method mostly adopts blood sampling to puncture fingers, then uses a thin tube to squeeze out blood from wounds, resamples the blood into a container for storage, and needs to carry out a plurality of steps to sample the blood between the fingers, so that the existing technology lacks a scheme capable of providing integrated blood sampling, and therefore, a self-help fingertip blood sampling device for clinical laboratory needs to be provided.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a self-service fingertip blood sampling device for a clinical laboratory, which effectively solves the problems that the existing inter-finger blood sampling equipment is difficult to provide integrated blood sampling experience, the blood sampling process is complicated and the like.
The technical scheme adopted by the invention is as follows: the invention provides a self-service fingertip blood sampling device of a clinical laboratory, which comprises a blood sampling storage component, a blood sampling puncture component, a blood sampling holding end, a support shell, a guiding limit column and a blood sampling cap, wherein the support shell is fixedly connected to the blood sampling holding end, the guiding limit column is arranged on the blood sampling holding end, the blood sampling puncture component is arranged in the support shell, the blood sampling cap is arranged on the support shell in a sliding manner, an embedding opening is further formed in the blood sampling cap, the blood sampling cap is arranged on the guiding limit column in a sliding embedding manner through the embedding opening, and the blood sampling storage component is arranged in the blood sampling cap.
Preferably, the blood sampling storage component comprises a magnetorheological fluid, an elastic extension bag, a blood sampling pressing pile, a needle accommodating cavity, a blood temporary storage cavity, a built-in electromagnet and a magnet placing cavity, wherein the elastic extension bag is arranged on the inner wall of the blood sampling cap, the magnetorheological fluid is filled in the elastic extension bag, the blood sampling pressing pile is fixedly connected in the blood sampling cap, the needle accommodating cavity is arranged on the blood sampling pressing pile, the blood temporary storage cavity is arranged on the blood sampling pressing pile, the magnet placing cavity is arranged in the blood sampling pressing pile, the built-in electromagnet is embedded in the magnet placing cavity, and the built-in electromagnet is provided with four groups.
Further, the blood sampling puncture assembly comprises a telescopic air bag, an auxiliary spring, a telescopic sliding column, an air inlet temporary storage tube, a blood sampling thin tube and a puncture needle, wherein the telescopic sliding column is embedded and slides in the support shell, the auxiliary spring is arranged between the inner wall of the support shell and the telescopic sliding column, the telescopic air bag is arranged in the support shell, the air inlet temporary storage tube is arranged in the telescopic sliding column, the blood sampling thin tube is embedded in the telescopic sliding column in two groups, and the puncture needle is fixedly connected to one end of the telescopic sliding column.
In order to improve the skid resistance, the outer side of the blood sampling holding end is also provided with a skid-proof bump.
The blood sampling cap is also provided with a small button, and the small button is electrically connected with the built-in electromagnet.
Further, the blood sampling cap is made of rubber materials.
Further, the elastically stretchable bag is made of an elastic film.
Further, the elastic extension bag is arranged below the end face of the blood sampling pressing pile.
Further, the magnetic attraction force of the four groups of built-in electromagnets increases gradually from bottom to top.
Wherein, the blood temporary storage cavity corresponds to the blood sampling tubule in position, and the needle head accommodating cavity corresponds to the puncture needle head in position.
Preferably, the telescopic air bag is communicated with the air inlet temporary storage pipe.
Wherein, cover the back of blood sampling cap, blood sampling press the stake and can press the telescopic slide column and get into in the support shell.
The beneficial effects obtained by the invention by adopting the structure are as follows: the utility model provides a self-service fingertip blood sampling device of clinical laboratory has effectively solved current inter-finger blood sampling equipment and has been difficult to provide the comparatively complicated scheduling problem of integrated blood sampling experience, and this kind of method has brought following advantage:
(1) In order to solve the problems of complicated blood collection process and the like of the traditional inter-finger blood collection needle, the invention provides a blood collection storage assembly and a blood collection puncture assembly, a blood collection cap is firstly taken off from a support shell, then the blood collection puncture assembly is utilized to conduct puncture blood collection, a punctured finger is moved out of a puncture needle head, a punctured position is aligned to a blood collection thin tube, at the moment, the other hand is loosened, a telescopic sliding column is reset through an auxiliary spring, at the moment, a telescopic air bag is reset, negative pressure is generated at the blood collection thin tube, blood flowing out of the punctured position of the fingertip is sucked into the blood collection thin tube, then a blood collection cap is covered, a blood collection pressing pile can press the telescopic sliding column into the support shell, at the moment, the position of a blood temporary storage cavity corresponds to the position of the blood collection thin tube, and then the blood in the blood collection thin tube is pushed into the blood temporary storage cavity by the air pressure generated by the telescopic air bag, so that the self-service sampling and storage of the blood are realized;
(2) The blood sampling cap is taken down, the opening of the blood sampling cap is held upwards, the small button is pressed at this moment, four groups of built-in electromagnets start to work, the magnetorheological fluid moves upwards along the end face of the blood sampling pressing pile, the magnetorheological fluid is attached to the end face of the blood sampling pressing pile through the deformable elastic extension bag, the magnetic adsorption force of the four groups of built-in electromagnets gradually increases from bottom to top, the magnetorheological fluid can be ensured to be attached to the whole end face of the blood sampling pressing pile gradually through the elastic extension bag, the rapid automatic sealing is carried out on the blood temporary storage cavity, the subsequent transportation is convenient, the blood outflow is prevented, the whole operation process of the scheme can be finished only by a patient, and the rapid fingertip blood sampling can be realized only through the structures such as the small blood sampling storage component, the blood sampling puncture component and the like, the use is more convenient, and the operation is more convenient.
Drawings
FIG. 1 is a perspective view of a self-service fingertip blood collection device for a clinical laboratory provided by the invention;
FIG. 2 is a front view of a self-service fingertip blood collection device for clinical laboratory provided by the invention;
FIG. 3 is a cross-sectional view of a self-service fingertip blood collection device for clinical laboratory provided by the invention;
FIG. 4 is a schematic view showing a state of the cap according to the present invention;
FIG. 5 is an enlarged partial view of portion A of FIG. 3;
fig. 6 is a partial enlarged view of a portion B of fig. 4.
The device comprises a blood collection storage component, a blood collection puncture component, a blood collection holding end, a supporting shell, a guide limit column, a blood collection cap, a 7, an embedding opening, a 8 magnetorheological fluid, a 9 elastic extension bag, a 10 blood collection pressing pile, a 11 needle containing cavity, a 12 blood temporary storage cavity, a 13 built-in electromagnet, a 14 magnet containing cavity, a 15 telescopic airbag, a 16, an auxiliary spring, a 17 telescopic slide column, a 18, an air inlet temporary storage tube, a 19, a blood collection thin tube, a 20, a puncture needle, a 21, an anti-slip protrusion, a 22 and a small button, wherein the blood collection storage component, the 2, the blood collection puncture component, the 3, the blood collection holding end, the 4, the supporting shell, the 5, the guide limit column, the 6, the blood collection cap, the 7, the embedding opening, the 8, the magnetorheological fluid, the 9 and the elastic extension bag.
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1-3, the invention provides a self-help fingertip blood sampling device for a clinical laboratory, which comprises a blood sampling storage component 1, a blood sampling puncture component 2, a blood sampling holding end 3, a support shell 4, a guiding limit column 5 and a blood sampling cap 6, wherein the support shell 4 is fixedly connected to the blood sampling holding end 3, the guiding limit column 5 is arranged on the blood sampling holding end 3, the blood sampling puncture component 2 is arranged in the support shell 4, the blood sampling cap 6 is slidably arranged on the support shell 4, an embedding opening 7 is further arranged on the blood sampling cap 6, the blood sampling cap 6 is slidably embedded on the guiding limit column 5 through the embedding opening 7, and the blood sampling storage component 1 is arranged in the blood sampling cap 6.
As shown in fig. 2-4 and 6, the blood sampling storage component 1 comprises a magnetorheological fluid 8, an elastic extension bag 9, a blood sampling pressing pile 10, a needle accommodating cavity 11, a blood temporary storage cavity 12, a built-in electromagnet 13 and a magnet accommodating cavity 14, wherein the elastic extension bag 9 is arranged on the inner wall of the blood sampling cap 6, the magnetorheological fluid 8 is filled in the elastic extension bag 9, the blood sampling pressing pile 10 is fixedly connected in the blood sampling cap 6, the needle accommodating cavity 11 is arranged on the blood sampling pressing pile 10, the blood temporary storage cavity 12 is arranged on the blood sampling pressing pile 10, the magnet accommodating cavity 14 is arranged in the blood sampling pressing pile 10, the built-in electromagnet 13 is embedded in the magnet accommodating cavity 14, and the built-in electromagnet 13 is provided with four groups.
As shown in fig. 2-4 and 6, the blood sampling puncture assembly 2 comprises a telescopic air bag 15, an auxiliary spring 16, a telescopic slide column 17, an air inlet temporary storage tube 18, a blood sampling thin tube 19 and a puncture needle 20, wherein the telescopic slide column 17 is embedded and slidingly arranged in the support shell 4, the auxiliary spring 16 is arranged between the inner wall of the support shell 4 and the telescopic slide column 17, the telescopic air bag 15 is arranged in the support shell 4, the air inlet temporary storage tube 18 is arranged in the telescopic slide column 17, the blood sampling thin tubes 19 are embedded in the telescopic slide column 17 in two groups, and the puncture needle 20 is fixedly connected with one end of the telescopic slide column 17.
As shown in fig. 1 and 6, the outer side of the blood sampling holding end 3 is further provided with a non-slip protrusion 21, the blood sampling cap 6 is further provided with a small button 22, the small button 22 is electrically connected with the built-in electromagnet 13, and the blood sampling cap 6 is made of rubber materials.
As shown in fig. 5, the elastically stretchable bag 9 is made of an elastic film.
As shown in fig. 4, the elastic extension bag 9 is provided below the end surface of the blood collection pressing pile 10.
As shown in fig. 6, the magnetic attraction force of the four sets of built-in electromagnets 13 increases from bottom to top in sequence, the blood temporary storage chamber 12 corresponds to the blood collection tubule 19 in position, and the needle accommodating chamber 11 corresponds to the puncture needle 20 in position.
As shown in fig. 3 and 4, the telescopic airbag 15 communicates with the intake temporary storage tube 18.
As shown in fig. 1, 2 and 4, after the blood sampling cap 6 is covered, the blood sampling press post 10 can press the telescopic slide post 17 into the support housing 4.
When the blood sampling cap is specifically used, firstly, the blood sampling cap 6 is taken down from the support shell 4, then the fingertip is placed on the puncture needle head 20, the telescopic slide column 17 is made to slide into the support shell 4 by slightly applying force, the fingertip is punctured, the telescopic air bag 15 is in a contracted state, the other hand is propped against the telescopic slide column 17, so that the telescopic slide column 17 cannot reset temporarily through the auxiliary spring 16, then the punctured finger is removed from the puncture needle head 20, the punctured position is aligned with the blood sampling thin tube 19, at the moment, the other hand is loosened, the telescopic slide column 17 is reset through the auxiliary spring 16, the telescopic air bag 15 is reset, negative pressure is generated at the blood sampling thin tube 19, blood flowing out of the punctured position of the fingertip is sucked into the blood sampling thin tube 19, then the blood sampling cap 6 is covered, the telescopic slide column 17 can be pressed into the support shell 4 by the blood sampling pressing pile 10, at the moment, the blood temporary cavity 12 is just corresponding to the position of the blood sampling thin tube 19, and the blood in the blood temporary cavity 12 is pushed into the blood temporary cavity 12 by the air pressure generated by the telescopic air bag 15, so that self-service sampling and storage of the blood are realized;
The blood sampling cap 6 is taken down, the opening of the blood sampling cap 6 is upwards held, the small button 22 is pressed at this moment, the four groups of built-in electromagnets 13 start to work, the magnetorheological fluid 8 moves upwards along the end face of the blood sampling pressing pile 10, the magnetorheological fluid 8 is attached to the end face of the blood sampling pressing pile 10 through the deformable elastic extension bag 9, the magnetorheological fluid 8 can be ensured to be gradually attached to the whole end face of the blood sampling pressing pile 10 through the elastic extension bag 9 by gradually increasing the magnetic adsorption force of the four groups of built-in electromagnets 13 from bottom to top, the rapid automatic sealing is carried out on the blood temporary storage cavity 12, the subsequent transportation is convenient, the blood outflow is prevented, the whole operation process of the scheme can be completed only by a patient, and the rapid fingertip blood sampling can be realized only through the structures such as the small blood sampling storage component 1, the blood sampling puncture component 2 and the like, so that the use is more convenient and the operation is more convenient.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.