Patent Description:
Disposable detection kits for detection of diseases or other physical conditions using body fluids such as urine, blood or other tissue fluids of a human body have been commonly used all over the world, and their applications can be in laboratories operated by professionals, or at home, schools, shopping malls, road checkpoints, customs, etc. operated by non-professionals themselves. As shown in <FIG>, such a detection kit <NUM> generally includes an upper cover <NUM>, a bottom plate <NUM> and a test strip <NUM>, wherein the upper cover <NUM> and the bottom plate <NUM> are combined in such a manner as buckling, welding, glue adhering or the like, and the test strip <NUM> is arranged on the bottom plate <NUM> and located between the upper cover <NUM> and the bottom plate <NUM>. The upper cover <NUM> includes a sample addition hole <NUM> and an observation hole <NUM>. A liquid sample for detection is applied to a test strip via the sample addition hole <NUM>, and after the end of the detection, a detection result on the test strip is observed via the observation hole <NUM>, and determined accordingly.

The upper cover <NUM> and the bottom plate <NUM> of such detection kit as shown in <FIG>, are made of plastic articles that are thermally injection molded, and they account for a large portion of the cost of the whole detection kit. Both the upper cover <NUM> and the bottom plate <NUM> have a certain height, and after their combination, the size of the whole detection kit <NUM> increases, and is much larger than the size of the test strip <NUM>, increasing storage and transportation costs. Moreover, due to long degradation time of plastics, usage of a large amount of plastics does not comply with the concept of environmental protection. Such detection kit <NUM> has been packaged in an aluminum foil bag in factory to avoid bumping against the test strips in the detection kit <NUM> during transportation; and an operator has to tear the aluminum foil bag when the kit is to be used, and then takes out of the detection kit <NUM> for detection, so that the operation steps are tedious. Furthermore, such detection detection kit is not suitable for manufacturing by automated equipment, but requires a large amount of human power for manual assembly, the assembly process is boring and cumbersome, and long time of operation is prone to resulting in fatigue, burnout and errors, reducing the qualification rate of products, and increasing labor costs.

As the disposable detection kits have been widely used, in order to reduce the purchase costs of users, it is necessary to meet these needs with the lowest possible product cost and convenient usage mode. Particularly in the case of spreading of epidemic diseases, how to quickly promote such detection kits so that more people can afford to use and are willing to use such rapid detection kit products is a problem that needs to be solved at present.

For example, <CIT> discloses a test paper class bubble cap formula packaging structure including: at least one aluminium foil bubble cap unit. <CIT> relates to a packaging plate, in particular to a novel capsule medicine aluminum-plastic packaging plate including a substrate, wherein the base plate is rectangular; a plurality of rectangular openings which are formed in the base plate and every two adjacent rectangular openings are separated through a partition plate. Each rectangular opening is internally provided with a medicine bin used for containing capsule medicine. <CIT> describes a blister package which has a plurality of packaging units comprising a storage section for storing an item and a flange surrounding the storage section formed by attaching top and bottom two sheets. Each of the adjoining packaging units is mutually joined through a weakened line to be separated by each flange between the units. A boundary whose length is at least a half of that of the weakened line and which is wide enough to be separable from the storage section is formed, and the two sheets of the package are not adhered in the boundary. <CIT> discloses a retail and storage pack of the blister card type for zinc-air button cells including a support, and a transparent plastics film fixed thereon and having cup-shaped stamp-outs for reception of the button cells, wherein the pack is divided into single pack regions which can respectively be torn off separately and each of which respectively comprises at least one of the cup-shaped stamp-outs, and wherein the support is provided with an adhesive layer to which button cells received in the cup-shaped stamp-outs adhere by their base, which bases are provided with air inlet openings.

An objective of the present invention is to provide a multi-lined detection device, by which automated production is easy to realize. The device is small in size, is low in production, packaging and transportation costs, and uses little plastic materials, so that it is very environmentally friendly. When the multi-lined detection device is split into at least two single detection devices, the sealed packaging of adjacent detection devices is not affected.

In order to solve the above technical problems, the present invention provides a multi-lined detection device, comprising a bottom card, at least two test strips located above the bottom card and arranged side by side, and at least two sealing films located above the bottom card and the test strips, the thickness of the bottom card is greater than the thickness of the sealing film. Wherein, the at least two sealing films each form a cavity with the bottom card in the area where the test strip is located, and a bonding band connecting said sealing film to the bottom card is formed around the cavity. The test strip is received in the cavity. The bottom card forms a cutting line, which is incompletely disconnected, in an area between two adjacent bonding bands. The two adjacent sealing films are completely disconnected in the area between the two adjacent bonding bands.

Further improvement of the present invention lies in that the incompletely disconnected cutting line on the bottom card comprises a discontinuous cutting line, a continuous cutting line or a combination thereof; the discontinuous cutting line is formed by connecting segments spaced in sequence and fractures penetrating through the bottom card; and the continuous cutting line is a cutting line not penetrating through the bottom card.

Further improvement of the present invention lies in that the length of the connecting segment of the discontinuous cutting line ranges from <NUM> to <NUM>, the length of the fracture of the discontinuous cutting line ranges from <NUM> to <NUM>, and the cutting depth of the continuous cutting line ranges from one fifth to four fifths of the thickness of the bottom card.

Further improvement of the present invention lies in that the bottom card has a first end and a second end in a direction parallel to the cutting line, wherein the shortest distance from the first end to the bonding band is greater than the shortest distance from the second end to the bonding band, and the bottom card forms a completely disconnected opening, which is "U" shaped or "V" shaped, at the junction of the first end thereof and the cutting line.

Further improvement of the present invention lies in that the bonding band bonding the sealing film to the bottom card is closed, and the cavity for receiving the test strip is sealed by the closed bonding band.

Further improvement of the present invention lies in that the closed bonding band comprises an intermediate portion and two ends connected to the two ends of the intermediate portion, respectively, wherein the width of at least the end close to the first end of the bottom card gradually decreases in the direction from the intermediate portion of the bonding band to the two ends of the bonding band. Further improvement of the present invention lies in that the intermediate portion is two straight lines parallel to each other, and at least the end close to the first end of the bottom card is of a circular structure or a triangular structure without a bottom edge or a trapezoidal structure without a bottom edge.

Further improvement of the present invention lies in that a completely disconnected notch is formed between two adjacent sealing films.

Further improvement of the present invention lies in that the test strip is bonded to the bottom card through viscose.

Further improvement of the present invention lies in that the bottom card is made of a PE or PP material with the thickness ranging from <NUM> to <NUM>; and the sealing film is made of a PE or PP or PET material with the thickness ranging from <NUM> to <NUM>.

The present is small in size and uses a little amount of materials, so that the packaging and transportation costs are low. Furthermore, since a relatively flexible material that can be rolled is used, it is suitable for automated production, greatly reducing labor intensity and production costs. In addition, since the two adjacent sealing films are completely disconnected, when the bottom card is torn, the adjacent sealing films are not torn and the sealed packaging of the adjacent detection devices is not affected.

Moreover, in the technical solution of the present invention that the sealing film is completely cut off, when two adjacent detection devices are torn, the tearing force cannot be transferred to the sealing films of the adjacent detection devices because the two adjacent sealing films are completely disconnected and have no connection between each other and generate no implication between them, thus not affecting the bonding formed by the adjacent sealing films and the bottom card, so that the sealed packaging of the adjacent detection devices will not be damaged.

Further, the present invention forms a completely disconnected notch between the two adjacent sealing films, and the completely disconnected notch provides convenience for detection of whether the two adjacent sealing films are completely disconnected in the area between the two adjacent bonding bands, as the formation of the completely disconnected notch is more convenient for visual observation. This design improves the probability of complete disconnection between two adjacent sealing films and reduces the probability of affecting adjacent sealing films when a single detection device is torn, resulting in better beneficial effects.

The technical solutions of the present invention will be further specified below through embodiments in conjunction with the drawings.

Please refer to <FIG>, the present invention relates to a multi-lined detection device <NUM>, including a bottom card <NUM>, at least two test strips <NUM> located above the bottom card and arranged side by side, and at least two sealing films <NUM> located above the bottom card and the test strips. Wherein, these sealing films <NUM> each form a cavity <NUM> with the bottom card <NUM> in the area where the test strip <NUM> is located, and a bonding band <NUM> connecting said sealing film to the bottom card is formed around the cavity (please refer to <FIG>). The test strip <NUM> is received in the cavity <NUM>. The bottom card <NUM> forms an incompletely disconnected cutting line <NUM> (as shown by the dashed line in <FIG>) in an area between two adjacent bonding bands <NUM>. In the embodiments shown in <FIG>, two adjacent sealing films <NUM> are completely disconnected in the area between the two adjacent bonding bands <NUM> to form a completely disconnected notch <NUM>. The notch <NUM> causes the two sealing films <NUM> to form a gap in the area between the two adjacent bonding bands <NUM>, as shown in <FIG>. The gap may be between <NUM> to <NUM>, preferably, <NUM> to <NUM>. The design has the advantages that when two adjacent detection devices are torn, the tearing force cannot be transferred to the sealing films <NUM> of the adjacent detection devices because the two adjacent sealing films <NUM> are completely disconnected and have no connection between each other and generate no implication between them, thus not affecting the bonding formed by the adjacent sealing films <NUM> and the bottom card <NUM>, so that the sealed packaging of the adjacent detection devices will not be damaged. Further, the completely disconnected notch <NUM> provides convenience for detection of whether the two adjacent sealing films <NUM> are completely disconnected in the area between the two adjacent bonding bands <NUM>, as the formation of the completely disconnected notch <NUM> is more convenient for detection through visual observation (not only including detection through human visual observation but also including detection through automated visual observation of equipment). This design improves the reliability of completely disconnecting two adjacent sealing films <NUM> and reduces the probability of affecting adjacent sealing films <NUM> when a single detection device is torn, resulting in better beneficial effects. The test strip <NUM> is bonded to the bottom card <NUM> through viscose <NUM>.

The bottom card <NUM> is preferably made of a moisture-proof and oxidation-resistant PE or PP material, with its thickness preferably ranging from <NUM> to <NUM>, more preferably ranging from <NUM> to <NUM>. The sealing film <NUM> is preferably made of a moisture-proof and oxidation-resistant PE or PP or PET material, with its thickness preferably ranging from <NUM> to <NUM>, more preferably ranging from <NUM> to <NUM>. Since the thickness of the bottom card <NUM> is much greater than the thickness of the sealing film <NUM>, the bottom card <NUM> has moderate rigidity and higher strength, while the sealing film <NUM> is softer and has better stretching resistance and tearing resistance performances, and both of them are suitable for producing products of the present invention on automated equipment.

In the embodiment shown in <FIG>, the incompletely disconnected cutting line <NUM> on the bottom card <NUM> is a discontinuous cutting line, which is formed by connecting segments <NUM> spaced in sequence and fractures <NUM> penetrating through the bottom card. The longer the connecting segment <NUM> is, the better the connecting stability is (the lower the probability of improper separation of the bottom card <NUM> is), but the larger the difficulty of separating the bottom card <NUM> along the incompletely disconnected cutting line <NUM> is; and in contrary, the shorter the connecting segment <NUM> is, the worse the connecting stability is (the higher the probability of improper separation of the bottom card <NUM> is), but the smaller the difficulty of separating the bottom card <NUM> along the incompletely disconnected cutting line <NUM> is. Therefore, it is necessary to properly select the lengths of the connecting segment <NUM> and the fracture <NUM>. Preferably, the length L1 of the fracture <NUM> of the discontinuous cutting line ranges from <NUM> to <NUM> (ranging from value A to value B means greater than or equal to value A and less than or equal to value B, the same in the full text), and the length L2 of the connecting segment <NUM> of the discontinuous cutting line ranges from <NUM> to <NUM>; and more preferably, the length L1 of the fracture <NUM> of the discontinuous cutting line ranges from <NUM> to <NUM>, and the length L2 of the connecting segment <NUM> of the discontinuous cutting line ranges from <NUM> to <NUM>.

The side of the bottom card <NUM> facing the sealing film <NUM> is an upper surface, the back side of which is a lower surface. In the embodiments shown in <FIG> and <FIG>, the incompletely disconnected cutting line <NUM> on the bottom card <NUM> is a continuous cutting line not penetrating through the upper and lower surfaces of the bottom card. Preferably, the cutting depth L4 of this continuous cutting line ranges from one fifth to four fifths of the thickness L5 of the bottom card. The continuous cutting line is preferably located on the upper surface of the bottom card, but may also be located on the lower surface of the bottom card.

In another embodiment (not shown in the figure), the incompletely disconnected cutting line <NUM> on the bottom card <NUM> may also be a combination of the discontinuous cutting line and the continuous cutting line as previously described, i.e., one part of the incompletely disconnected cutting line <NUM> is the discontinuous cutting line as described in <FIG>, <FIG> and the other part is the continuous cutting line as shown in <FIG> and <FIG>.

In the embodiments shown in <FIG>, the at least two adjacent sealing films <NUM> are bonded to the bottom card <NUM> at the edge of its area between the two adjacent bonding bands <NUM>. This embodiment has the advantages that the multi-lined detection device <NUM> in the present invention is compact in structure and small in size.

Please refer to <FIG>, the bottom card <NUM> has a first end <NUM> and a second end <NUM> in a direction parallel to the incompletely disconnected cutting line <NUM>, wherein the shortest distance "D1" from the first end <NUM> to the bonding band <NUM> is greater than the shortest distance "D2" from the second end <NUM> to the bonding band <NUM>. As shown in <FIG>, the bottom card <NUM> forms a completely disconnected opening <NUM>, which is "U" shaped (as shown in <FIG>) or "V" shaped (as shown in <FIG>), at the junction of the first end <NUM> thereof and the incompletely disconnected cutting line <NUM>. The purpose of providing the completely disconnected opening <NUM> is to use the completely disconnected opening <NUM> as a starting point for tearing, thereby facilitating separation of the two adjacent single detection devices <NUM>. The first end <NUM> typically serves as a holding end for an operator to tear off the sealing film <NUM> from the bottom card <NUM>. Preferably, the completely disconnected opening <NUM> is located at the first end <NUM> of the bottom card <NUM>, thus after tearing off the detection device from the completely disconnected opening <NUM>, the sealing film <NUM> can be torn from the bottom card <NUM> directly without changing hands to expose the test strip <NUM> for detection, instead of changing hands and subsequently turning over the torn single detection device <NUM> (inverted) to tear the sealing film <NUM> from the bottom card <NUM>, so that the operation is more convenient.

Please refer to <FIG> and <FIG>, the bonding band <NUM> that bonds the sealing film <NUM> to the bottom card <NUM> is a closed ring, and the cavity <NUM> receiving the test strip <NUM> is sealed by the closed bonding band <NUM>. The closed ring described in the present invention means that the bonding band <NUM> is closed, rather than limiting its shape to a circular ring; and on the contrary, the structure may be as shown in <FIG> or may be a structure developed according to <FIG>. In one embodiment, the bonding band <NUM> is formed by a binder <NUM> (e.g., glue or double-sided adhesive tape, etc.) (as shown in <FIG>). In another embodiment, no binder is used and the bonding band <NUM> is formed by fusing the bottom card <NUM> and the sealing film <NUM> under pressure and heat (as shown in <FIG> and <FIG>). In another embodiment, the bottom card <NUM> has a thermally adhesive film on its side facing the sealing film <NUM>, the thermally adhesive film bonding the sealing film <NUM> to the bottom card <NUM> when being subjected to pressure and heat, so as to form said bonding band <NUM> (not shown in the figure).

Please refer to <FIG>, the closed bonding band <NUM> includes an intermediate portion <NUM> and two ends <NUM> connected to the two ends of the intermediate portion, respectively. The intermediate portion <NUM> preferably is two straight lines parallel to each other. In the embodiments shown in <FIG>, the width of the end <NUM> is substantially constant. In the embodiment shown in <FIG> and <FIG>, the width of the end <NUM> gradually decreases from the intermediate portion of the bonding band to the two ends of the bonding band (in the direction shown by arrow "D" in <FIG>). Preferably, the end <NUM> is of a circular structure (as shown in <FIG>) or a triangular structure without a bottom edge (as shown in <FIG> and <FIG>) or a trapezoidal structure without a bottom edge (as shown in <FIG> and <FIG>). In another embodiment, the two ends <NUM> may also be a combination of any of the structures as shown in <FIG>. In contrast to the embodiment shown in <FIG>, the embodiments shown in <FIG> have the advantages that the lengths of tear lines L1', L2', (L3'+L4'), tear lines L1", L2‴, (L3"+L4") and tear lines L1‴, L2'", (L3" + L4") are smaller than the lengths of tear lines L1, L2, and (L3+L4) in <FIG>, respectively, i.e., L1' < L1, L2' < L2, (L3' + L4') < (L3+L4), and so on for others. This has the advantages that in the tearing process, the bonding force between the sealing film <NUM> and the bottom card <NUM> is smaller, so that it is easier to tear and separate the sealing film <NUM> from the bottom card <NUM>. <FIG> is a schematic view of tearing off a single detection device <NUM> from the multi-lined detection device <NUM> along the incompletely disconnected cutting line <NUM>.

Claim 1:
A multi-lined detection device (<NUM>), comprising a bottom card (<NUM>), at least two test strips (<NUM>) located above the bottom card (<NUM>) and arranged side by side, and at least two sealing films (<NUM>) located above the bottom card (<NUM>) and the test strips (<NUM>), the thickness of the bottom card (<NUM>) is greater than the thickness of the sealing film (<NUM>), wherein the at least two sealing films (<NUM>) each form a cavity (<NUM>) with the bottom card (<NUM>) in the area where the test strip (<NUM>) is located, and a bonding band (<NUM>) connecting said sealing film (<NUM>) to the bottom card (<NUM>) is formed around the cavity (<NUM>); the test strip (<NUM>) is received in the cavity (<NUM>); and the bottom card (<NUM>) forms a cutting line, which is incompletely disconnected, in an area between two adjacent bonding bands (<NUM>); and two adjacent sealing films (<NUM>) are completely disconnected in the area between the two adjacent bonding bands (<NUM>).