CN220136717U - Blood collection card - Google Patents

Abstract

The utility model provides a blood collection card, and belongs to the technical field of medical supplies. The blood collection card is provided with a sampling card, a first connecting card, a second connecting card and a third connecting card in sequence. The junction of sampling card and first linking card sets up first crease, the junction of first linking card and second linking card sets up the second crease, the junction of second linking card and third linking card sets up the third crease. The second connecting card is provided with a first connecting piece, and the first crease and the second crease are arranged to enable the sampling card and the first connecting card to stand up, and the free edge of the sampling card is detachably connected with the first connecting piece. The third fold is configured to allow the third connector card to cover or partially cover the sampling card. The blood collection card can realize the multi-form transformation of the collection card by presetting folds, for example, a small bracket can be formed and can be matched with the shielding of the blood collection card to avoid pollution in the airing process, and the collection card is folded after the airing is finished to avoid pollution of filter paper and blood samples.

Description

Blood collection card

Technical Field

The utility model relates to the technical field of medical supplies, in particular to a blood collection card.

Background

The blood of the person to be tested is collected through the blood collection card and is a common sampling detection mode, the collection process of the filter paper blood sample mainly comprises the links of filter paper information marking, blood sample collection, room temperature drying, transportation, preservation and the like, but the existing blood sample collection card has the following problems: firstly, the concentration of extracted nucleic acid in unit area of the filter paper at the collecting end is low; secondly, the card design of the straight plate type is inconvenient to dry and requires the drying of an additional drying rack; thirdly, the filter paper lacks protection in the airing process; and fourthly, the filter paper at the collection end is completely exposed to the air after the sample collection is finished, so that the filter paper is easy to be polluted, and the nucleic acid in the sample is easy to be degraded when the filter paper is directly irradiated by the sun in the transportation process. Of course, the defects of inconvenient operation, limited space of the acquisition card, inconvenient recording of sample acquisition information and the like may also exist.

In summary, the utility model aims to provide a collection card which is convenient to use and effectively protects a sample in the whole blood sample collection process, aiming at the defects of the existing blood sample collection card.

Disclosure of Invention

In view of the above-mentioned objective, the present utility model provides a blood collection card, which can realize the multi-form transformation of the collection card by presetting folds, for example, can form a small bracket and cooperate with the shielding of the bracket to avoid pollution in the airing process, and fold the collection card after the airing is completed to avoid pollution of filter paper and blood samples.

To achieve the above and other related objects, the present utility model provides a blood collection card, in which a sampling card, a first connection card, a second connection card, and a third connection card are sequentially provided;

the joint of the sampling card and the first connecting card is provided with a first crease, the joint of the first connecting card and the second connecting card is provided with a second crease, and the joint of the second connecting card and the third connecting card is provided with a third crease;

the second connecting card is provided with a first connecting piece, the first crease and the second crease are used for enabling the sampling card and the first connecting card to stand up, and the free edge of the sampling card is detachably connected with the first connecting piece;

the third fold is configured to allow the third connector card to cover or partially cover the sampling card.

In a possible embodiment, the second connector card is further provided with a second connector, the second crease being further arranged for detachably connecting the free edge of the sampling card with the second connector.

In a possible embodiment, the first connector card is provided with a third connector;

the third crease is further configured to removably connect a free edge of the third connector card with the third connector.

In one possible embodiment, the first connector includes a score line, and a cut and a tab hidden by the score line;

the second and third connectors are identical in arrangement to the first connector, i.e., each include a score line, and a cut and a tab hidden by the score line.

In a possible embodiment, the first connector is located in the middle of the second connector card and the tongue is directed towards the first connector; the second connecting piece is close to the third connecting card, and the inserting tongue faces the second connecting piece; the third connecting piece is close to the second connecting card, and the inserting tongue faces the first connecting card, namely the arrangement of the second connecting piece and the third connecting piece is the same as that of the first connecting piece.

In a possible embodiment, the blood collection card further comprises filter paper; the sampling card is provided with a filter paper installation position, and the filter paper is arranged at the filter paper installation position.

In one possible embodiment, the filter paper is adhered to the filter paper mounting site;

or, the sampling card is provided with a groove to form the filter paper installation position, and the filter paper is arranged in the groove.

In one possible embodiment, the filter paper has a thickness of 0.6 to 0.7mm; and/or the liquid absorption amount of the filter paper is 400-600 g/square meter; and/or the filter paper is made of cotton fiber.

In a possible embodiment, the filter paper is provided with at least one blood collection ring.

In a possible embodiment, at least one of the following technical features is included: a1, the sampling card and the first connecting card are the same in size; a2, the second connecting card and the third connecting card are the same in size; a3, adding the sampling card and the first connecting card to be the same as the second connecting card in size; a4, the blood collection card is white card paper; a5, under the front state of the blood collection card: the first connection card is provided with a sampling basic information filling area; the third connecting card is provided with a bar code attaching area; a6, under the back surface state of the blood collection card: the third connecting card is provided with an indication area or a printing operation instruction; a7, the length of the blood collection card is 12-20 cm; the width of the blood collection card is 6-12 cm.

As described above, the blood collection card of the present utility model has the following beneficial effects:

1) The multi-form conversion of the acquisition card can be realized through the preset crease, for example, a small bracket can be formed and matched with the shielding of the small bracket to avoid pollution in the airing process, and the acquisition card is folded after the airing is finished to avoid pollution of filter paper and blood samples.

2) The customized filter paper is adopted, so that the concentration of nucleic acid extracted by the filter paper in unit area is obviously improved, and the method is suitable for blood sample collection of disease screening of large sample population.

3) The acquisition card is provided with a plurality of spaces, so that the sample information can be recorded or pasted conveniently, and the acquisition card can be directly held by hand to sample during use, so that the operation is convenient.

Drawings

Fig. 1 is a schematic front view of a blood collection card according to an embodiment of the present utility model in an unfolded state.

Fig. 2 is a schematic view of a blood collection card according to an embodiment of the present utility model in an expanded state.

Fig. 3 is a view showing a airing state of the blood collection card according to the embodiment of the utility model.

Fig. 4 is a second view of a airing status of the blood collection card according to the embodiment of the present utility model.

Fig. 5 is a folded state diagram of the blood collection card according to the embodiment of the present utility model.

Fig. 6 is a schematic structural diagram of a filter paper according to an embodiment of the present utility model.

Reference numerals illustrate:

1. sampling card

11. Filter paper installation position

2. First connecting card

21. Basic information filling area

3. Second connecting card

4. Third connecting card

41. Bar code attaching area

42. Operation indication area

5. First connecting piece

51. Score line

53. Plug tongue

6. Second connecting piece

7. Third connecting piece

8. Filter paper

81. Blood sampling ring

121. First crease

231. Second crease

341. Third crease

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1-6. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model.

Examples

Referring to fig. 1 to 6, a blood collection card according to an embodiment of the present utility model is provided with a sampling card 1, a first connection card 2, a second connection card 3, and a third connection card 4 in this order. The junction of sampling card 1 and first connector card 2 sets up first crease 121, and the junction of first connector card 2 and second connector card 3 sets up second crease 231, and the junction of second connector card 3 and third connector card 4 sets up third crease 341. The second connector card 3 is provided with a first connector 5, and the first fold 121 and the second fold 231 are provided for standing up the sampling card 1 and the first connector card 2 and the free edge of the sampling card 1 is detachably connected with the first connector 5. The third crease 341 is provided for the third connector card 4 to cover or hide the sampling card 1.

Specifically, the first connecting piece 5 may be adhesive with a film or adhesive tape, and of course, the first connecting piece 5 is a common cut-tongue-and-groove mating structure provided on a cardboard in consideration of cost and convenience of use. Specifically, referring to fig. 2, the first connector 5 includes a score line 51, and a notch and a tongue 53 hidden by the score line 51, and the first connector 5 is located in the middle of the second connector card 3 with the tongue 53 facing the first connector card 2. When in use, the cut and tab 53 form a connector for securing a card paper after removal of the score line 51. Referring specifically to fig. 3, the sampling card 1 and the first connector card 2 are erected by folding along the first crease 121 and the second crease 231, and the free edge of the sampling card 1 is inserted into the notch and is fixed with the aid of the insertion tongue 53, so that a small-sized bracket is finally formed, and the bracket is convenient to air dry.

More specifically, referring to fig. 4, the third connector card 4 is folded along the third fold 341, and the third connector card 4 serves to protect the sample during the airing process from contamination.

In a specific embodiment, referring to fig. 1, 3, 4 and 5, the first connector card 2 is provided with a third connector 7, and the third crease 341 is further configured to detachably connect the free edge of the third connector card 4 with the third connector 7, where the third connector 7 is configured in the same manner as the first connector 5 and is also a notch-tongue mating structure. In use, the free edge of the sampling card 1 is aligned with the third fold 341 by folding along the second fold 231, and then the third connector card 4 is folded along the third fold 341, so that the free edge of the third connector card 4 is aligned with the second fold 231, thereby forming a folded state as shown in fig. 5, and the free edge of the third connector card 4 is inserted into the notch of the third connector 7 and fixed with the aid of the insertion tongue.

More specifically, referring to fig. 1, 2 and 5, the second connector 3 is further provided with a second connector 6, and the second fold 231 is further configured to detachably connect the free edge of the sampling card 1 with the second connector 6, where the second connector 6 is configured in the same manner as the first connector 5 and is also a notch-tongue mating structure. In use, the sample card 1 is folded along the second fold 231, aligning the free edge of the sample card 1 with the third fold 341, while the free edge of the sample card 1 is inserted into the cutout of the second connector 6 and secured with the aid of the tongue.

In conclusion, the stable or well-fixed airing state and folding state can be formed, the area of the blood collection card is greatly reduced, the blood collection card is easy to stack, and pollution and damage to filter paper and blood samples can be avoided.

In some embodiments, referring to fig. 1 and 2, a sampling card 1, a first connection card 2, a second connection card 3, and a third connection card 4 are formed on the same blood collection card separated by a predetermined crease. For convenience in use, the size of the sampling card 1 is the same as that of the first connecting card 2, the size of the second connecting card 3 is the same as that of the third connecting card 4, and the sum of the size of the sampling card 1 and the size of the first connecting card 2 are the same as that of the second connecting card 3, so that the airing state shown in fig. 3 and 4 and the folding state shown in fig. 5 can be conveniently formed. Typically, the blood collection card is a white cardboard. In addition, as shown in fig. 1, in the front state of the blood collection card: the second connection card 3 sets a sampling basis information filling area 31, for example: the identity information, the contact information, the sampling unit, the sampling time and other information of the sampled person are convenient for contact and tracing. The third connector card 4 is provided with a bar code attachment area 41 for attaching a bar code of the related information. And as shown in fig. 2, in the reverse side of the blood collection card: the third connector card 4 is provided with an operation indication area 42 or a printing operation instruction, that is, the surface of the white cardboard has a plurality of spaces, so that the sample information can be recorded or pasted conveniently.

More specifically, the length of the blood collection card is 12-20 cm, optionally 16-18 cm, the width of the blood collection card is 6-12 cm, optionally 7.5-9.5 cm, and the blood collection card is generally rectangular.

In some embodiments, referring to fig. 1, 3 and 6, the blood collection card further includes a filter paper 8, the sampling card 1 is provided with a filter paper mounting location 11, and the filter paper 8 is provided with the filter paper mounting location 11. The filter paper 8 is provided with at least one blood collection ring 81.

Alternatively, the filter paper 8 may be adhered to the filter paper mounting site 11.

Preferably, referring to fig. 3, the sampling card 1 is provided with a recess to form a filter paper installation site 11, and the filter paper 8 is provided in the recess.

More preferably, the thickness of the filter paper 8 is 0.6-0.7 mm, the liquid absorption amount of the filter paper 8 is 400-600 g/square meter, the material of the filter paper 8 is cotton fiber, and the size of the filter paper is rectangle with the size of 1.5-3 cm multiplied by 7.5-9.5 cm. Specifically, compared with a commercial sample collection card, the filter paper provided by the utility model has low manufacturing cost, and the customized filter paper with higher thickness (the thickness is high, so that the liquid absorption capacity is improved), so that the core acid concentration in the filter paper in unit area is obviously improved, and the filter paper is especially suitable for blood sample collection in disease screening of large sample groups. The type of filter paper is for example SX30, DL42 or SX27.

The application method of the blood collection card provided by the utility model comprises the following steps:

1) When the filter paper is used, the filter paper is inserted into the filter paper installation position, the sample collection card is directly held by the hand to collect the sample, the operation is very convenient, and meanwhile, the pollution of the filter paper can be avoided;

2) When the small bracket is dried at room temperature, the small bracket is folded along a preset crease to form a small bracket shown in figure 3 or figure 4, so that the small bracket is convenient to dry;

3) After the blood sample is collected and dried, the blood sample is folded along a preset crease to form a folded state shown in fig. 5 in the preservation and transportation processes, so that the area of a blood collection card is greatly reduced, the blood collection card is easy to stack, and pollution and damage to filter paper and the blood sample can be avoided;

experimental examples and comparative examples

The blood collection card is characterized in that the filter paper is made of cotton fibers (commercially available filter paper cotton fibers, manufacturer: shanghai gold mark biotechnology Co., ltd.) and has a thickness of 0.65mm (model corresponding to manufacturer is SX 27), and the filter paper is cut and then stuck to the mounting position 11 of the blood collection card.

Blood collection card performance test

The blood collection card, the whatman903 collection card, the blood collection card of the domestic H manufacturer and the blood collection card of the domestic B manufacturer of the present utility model were prepared 5 by 5.

5 blood samples are prepared, the number is 1-5, the same blood sample is respectively dripped into the collecting rings of the four collecting cards, 60ul blood samples are dripped into each collecting ring, and at least one collecting card of each model is required to be added with the blood samples. And (3) airing at room temperature for 5 hours, and respectively sampling four types of 20 blood collection cards after all the collection parts form dried blood spots. 2 dried blood spot samples with the diameter of about 6mm are cut out from each blood collection card by using the same puncher (with the punching diameter of 6 mm), and are placed into a corresponding centrifuge tube for standby. The nucleic acid extraction is carried out on the dried blood spot sample by the same method and the same reagent, the concentration of DNA in the extract is detected by a Siemens flying Qubit4.0 fluorescent quantitative instrument and recorded in time, and all the results are shown in Table 1.

TABLE 1 DNA concentration in blood collection cards of different models

As can be seen from table 1: the DNA concentration in the dry blood spots is obviously higher than that of the other three commercial main blood flow collection cards, and the performance of the utility model has obvious advantages.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (10)

1. The blood collection card is characterized in that the blood collection card is provided with a sampling card (1), a first connecting card (2), a second connecting card (3) and a third connecting card (4) in sequence;

a first crease (121) is formed at the joint of the sampling card (1) and the first connecting card (2), a second crease (231) is formed at the joint of the first connecting card (2) and the second connecting card (3), and a third crease (341) is formed at the joint of the second connecting card (3) and the third connecting card (4);

the second connecting card (3) is provided with a first connecting piece (5), the first crease (121) and the second crease (231) are used for enabling the sampling card (1) and the first connecting card (2) to stand up, and the free edge of the sampling card (1) is detachably connected with the first connecting piece (5);

the third crease (341) is arranged to cover or partially cover the third connection card (4) with the sampling card (1).

2. The blood collection card of claim 1, wherein the second connector card (3) is further provided with a second connector (6), the second crease (231) being further arranged for detachable connection of the free edge of the sampling card (1) with the second connector (6).

3. A blood collection card according to claim 2, wherein the first connector card (2) is provided with a third connector (7), the third crease (341) being further arranged for detachable connection of the free edge of the third connector card (4) with the third connector (7).

4. A blood collection card according to claim 3, wherein the first connector (5) comprises a score line (51), and a cut-out and a tongue (53) hidden by the score line (51).

5. The blood collection card of claim 4, wherein the first connector (5) is located in the middle of the second connector card (3) with the tongue (53) facing the first connector card (2);

and/or the second connecting piece (6) and the third connecting piece (7) are arranged in the same way as the first connecting piece (5).

6. The blood collection card of claim 1, further comprising a filter paper (8); the sampling card (1) is provided with a filter paper installation position (11), and the filter paper (8) is arranged on the filter paper installation position (11).

7. The blood collection card of claim 6, wherein the filter paper (8) is adhered to the filter paper mounting location (11);

or, the sampling card (1) is provided with a groove to form the filter paper installation position (11), and the filter paper (8) is arranged in the groove.

8. The blood collection card of claim 6, wherein the filter paper (8) has a thickness of 0.6-0.7 mm; and/or the liquid absorption capacity of the filter paper (8) is 400-600 g/square meter; and/or the filter paper (8) is made of cotton fiber.

9. A blood collection card according to claim 6, wherein the filter paper (8) is provided with at least one blood collection ring (81).

10. The blood collection card of any one of claims 1 to 9, comprising at least one of the following technical features:

a1, the sampling card (1) and the first connecting card (2) are the same in size;

a2, the second connection card (3) and the third connection card (4) have the same size;

a3, the sum of the sampling card (1) and the first connecting card (2) is the same as the second connecting card (3);

a4, the blood collection card is white card paper;

a5, under the front state of the blood collection card: the first connection card (2) is provided with a sampling basic information filling area (21); the third connecting card (4) is provided with a bar code attaching area (41);

a6, under the back surface state of the blood collection card: the third connection card (4) is provided with an operation indication area (42) or a printing operation instruction;

a7, the length of the blood collection card is 12-20 cm; the width of the blood collection card is 6-12 cm.