CN220438355U

CN220438355U - Portable extracorporeal detection device capable of collecting blood

Info

Publication number: CN220438355U
Application number: CN202321847048.7U
Authority: CN
Inventors: 肖习勇
Original assignee: Dongguan Yanshui Technology Development Co ltd
Current assignee: Dongguan Yanshui Technology Development Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-02-02
Anticipated expiration: 2033-07-13

Abstract

The utility model discloses a portable extracorporeal detection device capable of collecting blood, which comprises: the detection liquid storage module comprises a liquid container for loading detection liquid, a piston which is arranged at the upper part of the inner cavity of the liquid container and can move up and down, and a penetrable diaphragm which is covered at the upper end opening of the liquid container and enables the inner cavity of the liquid container to be a closed cavity; the detection module comprises a transparent shell, a detection paper strip arranged in the transparent shell and a liquid suction head arranged at the lower part of the inner cavity of the transparent shell and contacted with the detection paper strip, wherein the lower end of the transparent shell is provided with a puncture part which is used for puncturing a puncturable membrane and penetrating into a piston to push the piston to move downwards, the puncture part is upwards provided with a liquid suction hole communicated with the inner cavity of the transparent shell along the bottom of the puncture part, and the liquid suction head is arranged at the upper port of the liquid suction hole or stretches into the liquid suction hole. The utility model has simple operation flow, and the detection liquid and the mixed liquid of the detection liquid and the blood can not be exposed in the air, thereby ensuring the cleanliness of the detection process and ensuring the quality and the accuracy of the detection.

Description

Portable extracorporeal detection device capable of collecting blood

Technical field:

the utility model relates to the field, in particular to a portable extracorporeal detection device capable of collecting blood.

The background technology is as follows:

the in vitro diagnosis mode has an increasingly important role in the clinical medical treatment and related medical research fields because of rapid and accurate diagnosis in early disease, has rapidly developed in the global medical service market, develops various new technical schemes such as biochemical diagnosis, immunodiagnosis, molecular diagnosis, microbial diagnosis and the like, and particularly has the advantages of simple manufacture, convenient use, rapid test showing result and the like of the colloidal gold method due to the product, and has long-term development and wide use.

Antigen detection apparatus based on immune colloidal gold technology and immunochromatography is recognized and used in a large amount worldwide by virtue of the advantages of personal self-sampling and self-detection of detected persons without professional laboratory and professional technician operation because of being quick and accurate and convenient to detect, and has remarkable effect.

When the test device in the current market collects the object to be tested (such as blood or saliva) and the detection liquid, the object to be tested and the detection liquid are loaded on the detection paper (such as a gold label card) by adopting a dropper dripping manner or directly by extruding the dripping manner, so that the complexity of the detection flow is increased, and meanwhile, the detection area is polluted due to the fact that the detection substance is exposed to the air for a long time, so that the detection result is deviated.

In view of this, the present inventors have proposed the following means.

The utility model comprises the following steps:

the utility model aims to overcome the defects of the prior art and provides a portable extracorporeal detection device capable of collecting blood.

In order to solve the technical problems, the utility model adopts the following technical scheme: the portable extracorporeal detection device capable of collecting blood comprises: the detection liquid storage module comprises a liquid container loaded with detection liquid, a piston which is arranged at the upper part of an inner cavity of the liquid container and can move up and down, and a penetrable membrane which is sealed at an opening at the upper end of the liquid container and enables the inner cavity of the liquid container to be a closed cavity; the detection module comprises a transparent shell, a detection paper strip arranged in the transparent shell and a liquid suction head arranged at the lower part of the inner cavity of the transparent shell and contacted with the detection paper strip, wherein the lower end of the transparent shell is provided with a puncture part used for puncturing a puncturable membrane and penetrating into the piston to push the piston to move downwards, the puncture part is upwards provided with a liquid suction hole communicated with the inner cavity of the transparent shell along the bottom part of the puncture part, and the liquid suction head is arranged at the upper port of the liquid suction hole or stretches into the liquid suction hole.

Furthermore, in the above technical scheme, the piercing portion comprises a first column, a second column integrally connected to the lower end of the first column and having a size smaller than that of the first column, and a stepped surface disposed between the first column and the second column, wherein the lower end of the second column is disposed on the chamfer, and the lower end opening of the liquid suction hole is disposed on the chamfer.

Further, in the above-described aspect, the piston has a hole through which the second cylinder of the piercing portion passes, and the hole is formed in a truncated cone shape having a large upper portion and a small lower portion.

Furthermore, in the above technical solution, the transparent casing includes a transparent casing, a mounting rack inserted in the transparent casing, and a cover body disposed at an upper end of the transparent casing and used for limiting the mounting rack in the transparent casing, the lower end of the mounting rack supports and presses the liquid suction head, at least one clamping groove distributed along a length of the mounting rack is disposed at an outer side of the mounting rack, and the detection paper strip is clamped and fixed in the clamping groove; the piercing part is arranged at the lower end of the transparent shell.

Furthermore, in the above technical scheme, the inner walls of the upper end and the lower end of the clamping groove are respectively provided with a plurality of convex hulls, and the detection paper strips are clamped and positioned through the convex hulls, so that gaps are formed between the detection paper strips and the inner walls of the clamping groove.

Furthermore, in the above technical scheme, the mounting bracket upper end is provided with a plurality of reference columns, and this lid lower terminal surface middle part is provided with the constant head tank, and this lid sheath is fixed in this transparent casing upper end, and this reference column is inlayed and is fixed in this constant head tank.

Furthermore, in the above technical scheme, the inner wall of the cover body is provided with a bar-shaped clamp protrusion, the periphery of the upper end of the transparent shell is provided with an outwards protruding protrusion, and the bar-shaped clamp protrusion is clamped on the lower end face of the protrusion to form clamping positioning.

Furthermore, in the above technical scheme, the liquid container is fixed in the base from bottom to top in an inserting way, the upper end of the base is provided with an inserting groove for inserting the lower end of the transparent shell, the middle part of the inserting groove is provided with a horn-shaped annular guiding flange, the annular guiding flange is provided with a guiding hole for the penetrating part to penetrate, and the penetrable membrane at the upper end of the liquid container is positioned below the guiding hole.

Furthermore, in the above technical solution, the inner wall of the inner cavity of the liquid container is provided with a ring groove, the periphery of the piston is provided with an annular clamping edge, and the annular clamping edge is clamped into the ring groove, so that the piston is positioned in the inner cavity of the liquid container.

Furthermore, in the above technical solution, the penetrable membrane is aluminum foil; the outer side surface of the liquid suction head is provided with a plurality of diversion trenches for air flow.

By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects: according to the utility model, after the blood is sucked through the liquid suction hole of the puncture part in the detection module, the puncture-able membrane is directly inserted to extend into the inner cavity of the liquid container and extend into the detection liquid, and finally, the liquid suction head sucks the mixed liquid of the detection liquid and the blood and transmits the mixed liquid to the detection paper, the detection paper detects and displays the test result, the whole flow is simple, the detection liquid and the mixed liquid of the detection liquid and the blood are not exposed to the air, the cleanliness degree of the detection process is ensured, the quality and the accuracy of the detection can be ensured, and the utility model has extremely strong market competitiveness.

Description of the drawings:

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a use state step diagram of the present utility model;

FIG. 3 is an exploded perspective view of the detection module of the present utility model;

FIG. 4 is an exploded perspective view of the test fluid storage module of the present utility model;

FIG. 5 is a perspective view of a base of the present utility model;

FIG. 6 is a perspective view of the mounting bracket of the present utility model;

fig. 7 is a perspective view of a cover in the present utility model.

The specific embodiment is as follows:

the utility model will be further described with reference to specific examples and figures.

Referring to fig. 1-7, there is shown a portable extracorporeal testing device for blood collection, comprising: the detection liquid storage module 100 and the detection module 200 matched with the detection liquid storage module 100.

The detection liquid storage module 100 is used for storing detection liquid in a sealing manner, so that the detection liquid is not exposed to air, cannot be polluted or react, and the detection accuracy is ensured, wherein the detection liquid is diluent or lysate.

Specifically, the detection liquid storage module 100 includes a liquid container 1 loaded with a detection liquid, a piston 2 disposed at an upper portion of an inner cavity of the liquid container 1 and movable up and down, and a pierceable membrane 3 sealed at an upper end opening of the liquid container 1 to change the inner cavity of the liquid container 1 into a closed cavity; the detection module 200 comprises a transparent shell 5, a detection paper strip 6 arranged in the transparent shell 5 and a liquid suction head 7 arranged at the lower part of the inner cavity of the transparent shell 5 and contacted with the detection paper strip 6, wherein the lower end of the transparent shell 5 is provided with a piercing part 50 which is used for piercing a pierceable membrane 3 and penetrating into the piston 2 to push the piston 2 to move downwards, the piercing part 50 is upwards provided with a liquid suction hole 501 communicated with the inner cavity of the transparent shell 5 along the bottom, and the liquid suction head 7 is arranged at the upper end port of the liquid suction hole 501 or stretches into the liquid suction hole 501. When the blood collection device is used, after the skin at the blood collection position is pierced by the blood collection needle, the piercing part 50 at the lower end of the transparent shell 5 in the detection module 200 is aligned to the blood collection position, the liquid suction hole 501 of the piercing part 50 sucks blood due to capillary effect, and when the blood fills the liquid suction hole 501 of the piercing part 50, the blood collection is completed. Then, the piercing part 50 at the lower end of the transparent housing 5 in the detection module 200 is aligned with the penetrable membrane 3 of the detection liquid storage module 100, the piercing part 50 pierces the penetrable membrane 3 to extend into the inner cavity of the liquid container 1 and penetrates into the piston 2 to push the piston 2 to move downwards, at this time, the liquid suction hole 501 of the piercing part 50 stretches into the detection liquid of the liquid container 1, and when the piston 2 moves downwards, the detection liquid is pressed into the liquid suction hole 501 of the piercing part 50 to be mixed with blood, and finally is sucked by the liquid suction head 7 and transferred to the detection paper strip 6, detection is realized by the detection paper strip 6, and a tester can watch the color developed by the detection paper strip 6 through the transparent housing 5 to confirm the result. That is, after the blood is sucked through the liquid suction hole 501 of the piercing part 50 in the detection module 200, the piercing penetrable membrane 3 is directly inserted to extend into the inner cavity of the liquid container 1 and extend into the detection liquid, and finally, the mixed liquid of the detection liquid and the blood is sucked by the liquid suction head and is transmitted to the detection paper strip 6, the detection paper strip 6 detects and displays the test result, the whole flow is simple, and the detection liquid and the mixed liquid of the detection liquid and the blood are not exposed to the air, so that the cleanliness degree of the detection process is ensured, the quality and the accuracy of the detection can be ensured, and the utility model has extremely strong market competitiveness.

The utility model has the advantages of rapid and accurate operation, convenient detection, no need of professional laboratory and professional technician operation, acceptance and great use in the world by relying on the personal self-sampling self-detection advantages of the detected person, and remarkable effect.

The piercing portion 50 includes a first cylinder 502, a second cylinder 503 integrally connected to the lower end of the first cylinder 502 and having a smaller size than the first cylinder 502, and a step surface 504 disposed between the first cylinder 502 and the second cylinder 503, wherein the lower end of the second cylinder 503 is disposed on a chamfer 505, so that the lower end of the second cylinder 503 forms a spike structure capable of rapidly piercing the penetrable membrane 3, wherein the penetrable membrane 3 is an aluminum foil.

The lower opening of the liquid sucking hole 501 is provided on the bevel 505, and the bevel 505 can better contact with the skin at the puncture position, so that the liquid sucking hole 501 can suck the blood better.

The outer side surface of the liquid suction head 71 is provided with a plurality of diversion trenches 71 for air flow, so that the capillary effect can be better realized to suck blood.

The piston 2 has a through hole 21 through which the second cylinder 503 of the piercing part 50 passes, the through hole 21 has a frustum shape with a large upper part and a small lower part, the through hole 21 is matched with the step surface 504 of the piercing part 50, and when the step surface 504 of the piercing part 50 contacts with the through hole 21, the step surface can be in sealing contact, and the piston 2 can be pushed downwards to move downwards.

The transparent shell 5 comprises a transparent shell 51, a mounting frame 52 inserted in the transparent shell 51 and a cover 53 arranged at the upper end of the transparent shell 51 and used for limiting the mounting frame 52 in the transparent shell 51, and the lower end of the mounting frame 52 is abutted against the liquid suction head 7, so that the mounting frame 52 is stably mounted in the transparent shell 51, meanwhile, the liquid suction head 7 can be tightly pressed, and the stability of the assembly structure of the liquid suction head 7 is ensured. Wherein the liquid suction head 7 is made of sponge or cotton or other materials with excellent water absorption. At least one clamping groove 521 distributed along the length of the mounting frame 52 is arranged on the outer side of the mounting frame, and the detection paper strip 6 is clamped and fixed in the clamping groove 521, so that the stability of the assembly structure is ensured; the piercing portion 50 is provided at the lower end of the transparent case 51.

The transparent shell 51 is integrally formed by glass, acrylic or transparent plastic.

The inner walls of the upper end and the lower end of the clamping groove 521 are respectively provided with a plurality of convex hulls 522, and the detection paper strips 6 are clamped and positioned by the convex hulls 522, so that gaps are formed between the detection paper strips 6 and the inner walls of the clamping groove 521, the contact between the detection paper strips 6 and the inner walls of the clamping groove 521 is avoided as much as possible, and the detection quality of the detection paper strips 6 can be improved to the greatest extent.

The upper end of the mounting frame 52 is provided with a plurality of locating columns 523, the middle part of the lower end surface of the cover 53 is provided with a locating groove 531, the cover 53 is sleeved and fixed on the upper end of the transparent shell 51, and the locating columns 523 are embedded and fixed in the locating groove 531, so that the cover 53, the mounting frame 52 and the transparent shell 51 are stably assembled together, and the stability of the assembly structure is high.

The inner wall of the cover 53 is provided with a bar-shaped clamping protrusion 532, the periphery of the upper end of the transparent shell 51 is provided with an outwards protruding protrusion 511, and the bar-shaped clamping protrusion 532 is clamped on the lower end face of the protrusion 511 to form clamping positioning, so that the stability of the assembly structure is ensured.

The liquid container 1 is fixed in the base 4 from bottom to top, so as to protect the liquid container 1 and the penetrable membrane 3 at the upper end thereof, specifically, an insertion groove 41 for inserting the lower end of the transparent shell 5 is provided at the upper end of the base 4, a horn-shaped annular guiding flange 42 is provided in the middle of the insertion groove 41, the annular guiding flange 42 has a guiding hole 421 for the penetrating part 50 to penetrate, and the penetrable membrane 3 at the upper end of the liquid container 1 is located below the guiding hole 421. In use, the piercing portion 50 passes through the guide hole 421 and contacts the penetrable membrane 3, and as the piercing portion 50 moves downward, the piercing portion 50 pierces the penetrable membrane 3 to extend into the test liquid.

The inner wall of the inner cavity of the liquid container 1 is provided with a ring groove 13, the periphery of the piston 2 is provided with an annular clamping edge 22, and the annular clamping edge 22 is clamped into the ring groove 13, so that the piston 2 is positioned in the inner cavity of the liquid container 1. When not in use, the annular clamping edge 22 of the piston 2 is clamped into the annular groove 13 to be positioned in the inner cavity of the liquid container 1 and above the surface of the detection liquid, and only after the penetrating part 50 penetrates into the piston 2 and is continuously pressed down, the annular clamping edge 22 is separated from the annular groove 13, so that the piston 2 slides downwards.

In summary, after the blood is sucked through the liquid suction hole 501 of the piercing portion 50 in the detection module 200, the puncture-able membrane 3 is directly inserted and pierced to extend into the inner cavity of the liquid container 1 and extend into the detection liquid, and finally the mixed liquid of the detection liquid and the blood is sucked by the liquid suction head and transmitted to the detection paper strip 6, and the detection paper strip 6 detects and displays the test result.

It is understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.

Claims

1. A portable extracorporeal testing device capable of collecting blood, characterized in that: it comprises the following steps:

the detection liquid storage module (100) comprises a liquid container (1) filled with detection liquid, a piston (2) arranged at the upper part of the inner cavity of the liquid container (1) and capable of moving up and down, and a pierceable membrane (3) which is sealed at the upper end opening of the liquid container (1) and enables the inner cavity of the liquid container (1) to be a closed cavity;

the detection module (200) comprises a transparent shell (5), a detection paper strip (6) arranged in the transparent shell (5) and a liquid suction head (7) arranged at the lower part of the inner cavity of the transparent shell (5) and contacted with the detection paper strip (6), wherein the lower end of the transparent shell (5) is provided with a piercing part (50) used for piercing a pierceable membrane (3) and penetrating into the piston (2) to push the piston (2) to move downwards, the piercing part (50) is upwards provided with a liquid suction hole (501) communicated with the inner cavity of the transparent shell (5) along the bottom of the piercing part, and the liquid suction head (7) is arranged at the upper port of the liquid suction hole (501) or stretches into the liquid suction hole (501).

2. A portable extracorporeal testing device for the collection of blood according to claim 1, wherein: the piercing part (50) comprises a first cylinder (502), a second cylinder (503) integrally connected to the lower end of the first cylinder (502) and smaller than the first cylinder (502), and a step surface (504) arranged between the first cylinder (502) and the second cylinder (503), wherein the lower end of the second cylinder (503) is arranged on a bevel surface (505), and the lower end opening of the liquid suction hole (501) is arranged on the bevel surface (505).

3. A portable extracorporeal testing device for the collection of blood according to claim 2, wherein: the piston (2) has a through hole (21) through which a second cylinder (503) of the piercing section (50) passes, and the through hole (21) has a truncated cone shape with a large upper part and a small lower part.

4. A portable extracorporeal test apparatus for blood collection according to any one of claims 1-3, wherein: the transparent shell (5) comprises a transparent shell (51), a mounting frame (52) inserted into the transparent shell (51) and a cover body (53) arranged at the upper end of the transparent shell (51) and used for limiting the mounting frame (52) in the transparent shell (51), the lower end of the mounting frame (52) is propped against the liquid suction head (7), at least one clamping groove (521) distributed along the length of the mounting frame (52) is formed in the outer side of the mounting frame (52), and the detection paper strip (6) is clamped and fixed in the clamping groove (521); the piercing section (50) is provided at the lower end of the transparent case (51).

5. A portable extracorporeal testing device for blood collection according to claim 4, wherein: the inner walls of the upper end and the lower end of the clamping groove (521) are respectively provided with a plurality of convex hulls (522), and the detection paper strips (6) are clamped and positioned through the convex hulls (522), so that gaps are formed between the detection paper strips (6) and the inner walls of the clamping groove (521).

6. A portable extracorporeal testing device for blood collection according to claim 4, wherein: the mounting bracket (52) upper end is provided with a plurality of reference columns (523), and terminal surface middle part is provided with constant head tank (531) under this lid (53), and this lid (53) sheath is fixed in this transparent casing (51) upper end, and this reference column (523) inlay and are fixed in this constant head tank (531).

7. A portable extracorporeal testing device for blood collection according to claim 4, wherein: the inner wall of the cover body (53) is provided with a strip-shaped clamping convex part (532), the periphery of the upper end of the transparent shell (51) is provided with a convex part (511) protruding outwards, and the strip-shaped clamping convex part (532) is clamped on the lower end face of the convex part (511) to form clamping positioning.

8. A portable extracorporeal test apparatus for blood collection according to any one of claims 1-3, wherein: the liquid container (1) is fixed in the base (4) in a bottom-up inserting way, an inserting groove (41) for inserting the lower end of the transparent shell (5) is formed in the upper end of the base (4), a horn-shaped annular guide flange (42) is arranged in the middle of the inserting groove (41), the annular guide flange (42) is provided with a guide hole (421) for the penetrating part (50) to penetrate through, and a puncturable membrane (3) at the upper end of the liquid container (1) is located below the guide hole (421).

9. A portable extracorporeal test apparatus for blood collection according to claim 8, wherein: the inner wall of the inner cavity of the liquid container (1) is provided with a ring groove (13), the periphery of the piston (2) is provided with an annular clamping edge (22), and the annular clamping edge (22) is clamped into the ring groove (13) to enable the piston (2) to be positioned in the inner cavity of the liquid container (1).

10. A portable extracorporeal test apparatus for blood collection according to any one of claims 1-3, wherein: the penetrable membrane (3) is aluminum foil; the outer side surface of the liquid suction head (7) is provided with a plurality of diversion trenches (71) for air flow.