Capture head capable of increasing surface area

Abstract

A plurality of convex blocks are installed on a capturing head body, a plurality of grooves are formed in the periphery of the bottom of the capturing head body, the convex blocks are clamped in the grooves, the surface area of the capturing head body can be increased, and after the surface area of the capturing head body is increased, more first substances to be combined can be wrapped. Compared with the prior art, more target substances in a sample can be captured more efficiently, and the capture head body is combined with more second to-be-combined substances when reacting with a reagent, so that more to-be-detected products can be captured on the capture head body, and the substance capture efficiency and sensitivity are improved. According to the capturing head capable of increasing the surface area, the convex blocks are wrapped by the grooves, meanwhile, gaps exist between the grooves and the convex blocks, the surfaces of the grooves can be decorated and used for capturing the first to-be-combined substances, equivalently, the contact area is further increased, and the capturing efficiency of the capturing head is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of capture head, specifically to a capture head of increasing surface area. BACKGROUND

[0002] In the process of virus detection needs to use capture head, can specifically capture target DNA or RNA fragment, first capture head takes out from sample and is placed in reagent of reagent container of kit and carries out reaction and obtains the measured product.

[0003] Such as the reagent kit, capture head and sample analyzer of publication No. CN221405708U, the capture part is connected with the connecting part or integrally formed, the capture part forms a plurality of surface contact structures, and the surface area of the capture head is 1 to 5 times the surface area of a cylinder with the same length and the same width.

[0004] The above-mentioned capture head realizes the increase of the surface area through the setting of the surface contact structure, and the gap of the surface contact structure is relatively small, so that more surface contact structures need to be set to capture more target substances in the sample. When the height of the sample is relatively low, part of the surface contact structure on the capture head will not be contacted by the sample, and it is generally necessary to adjust the angle of the sample to cover the capture head, which is not convenient to operate. UTILITY MODEL CONTENT

[0005] The utility model discloses a kind of capture heads of increasing surface area, to solve the problem that the capture head in the above background art needs to set more surface contact structures to capture more target substances in sample currently on market, when the height of sample is relatively low, part of the surface contact structure on the capture head will not be contacted by the sample, and it is generally necessary to adjust the angle of the sample to cover the capture head, which is not convenient to operate.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of capture head of increasing surface area, a plurality of lugs are installed on the capture head body, a plurality of grooves are set in the bottom of the capture head body, the lug is engaged in the inside of the groove, the surface area of the capture head body can be increased, after the surface area of the capture head body is increased, more first to be combined substance can be wrapped, more target substances in sample can be captured more efficiently, and more second to be combined substance is combined when reacting with reagent, so that more measured product can be generated on the capture head body, the efficiency and sensitivity of substance capture are improved, the efficiency and accuracy of sample detection can be improved.

[0007] Preferably, a connecting rod is rotatably connected inside the capture head body, a plurality of lugs are installed on the bottom of the connecting rod, the inner diameter of the groove is greater than the diameter of the lug, and the lug protrudes from the outside of the groove.

[0008] Preferably, the convex block is provided with a ball, and the convex block has a gap with the groove.

[0009] Preferably, the depth of the groove is less than the radius of the capture head body.

[0010] Preferably, the upper end of the connecting rod extends into the interior of the groove, and a gear is mounted on the connecting rod, a rotating ring is rotatably connected to the capture head body, and a plurality of tooth blocks are uniformly mounted on the inner side of the rotating ring.

[0011] Preferably, the tooth blocks and the gear are in meshing engagement, the rotating ring has a circular ring structure, and the rotating ring is wrapped on the outer side of the capture head body.

[0012] Preferably, the diameter of the convex block is less than the radius of the capture head body, and the adjacent two convex blocks are arranged at intervals.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The utility model discloses a convex block, a groove and a connecting rod, and the connecting rod connects a plurality of convex blocks together, can rotate a plurality of convex blocks, the convex block can make the reagent in the interior of the groove fully mix when rotating, and the reagent can stay in the interior of the groove, can reduce the setting of the convex block and can capture more target substances of the sample, through the cooperation of the groove and the convex block, the convex block is located in the interior of the groove in the process of rotating, the groove and the convex block do not separate, the surface area of the capture head can be increased through the setting of the convex block, the efficiency and the output of substance combination are increased, the detection efficiency of the sample analyzer can be improved, the capture head can be put into the interior of the sample with small height and can capture more samples, and the angle of the sample does not need to be adjusted.

[0015] 2. The utility model discloses a rotating ring, a gear and a tooth block, the rotating ring and the tooth block rotate and make the gear rotate, and then make the convex block of all around rotate, the reagent in the interior of the groove can be adhered on the convex block and rotate to the outside in the process of the convex block rotating, the convex block of all around can rotate synchronously in the process of the rotating ring rotating, every convex block does not need to be operated, and the operation steps can be reduced. DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a main section structure schematic view of the utility model;

[0018] Figure 3 It is a gear overhead structure schematic view of the utility model;

[0019] Figure 4 It is a Figure 3 It is a partial section structure schematic view of the utility model A-A;

[0020] Figure 5 The uppermost groove inside the protruding block is removed, and the three-dimensional structure schematic diagram is shown.

[0021] Figure 6 The utility model discloses Figure 5 The model schematic diagram.

[0022] In the drawing: 1, capture head body, 2, protruding block, 3, recess, 4, rotary ring, 5, connecting rod, 6, gear, 7, tooth block. Specific embodiments

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model protection.

[0024] Please refer to Figures 1-6 The utility model provides the following technical scheme: a capture head that increases the surface area, a plurality of protruding blocks 2 are installed on the capture head body 1, a plurality of recesses 3 are formed around the bottom of the capture head body 1, the protruding blocks 2 are clamped inside the recesses 3, there is a gap between the protruding blocks 2 and the recesses 3, the protruding blocks 2 can rotate inside the recesses 3, the surface area of the capture head body 1 can be increased, after the surface area of the capture head body 1 is increased, more first to-be-combined substances can be wrapped, more target substances in the sample can be captured more efficiently, and more second to-be-combined substances can be combined during reaction with reagents, so that more to-be-tested products can be generated on the capture head body 1, the efficiency and sensitivity of substance capture are improved, and the efficiency and accuracy of sample detection can be improved.

[0025] The connecting rod 5 is rotatably connected inside the capture head body 1, a plurality of protruding blocks 2 are installed at the bottom of the connecting rod 5, the inner diameter of the recess 3 is greater than the diameter of the protruding block 2, the protruding block 2 protrudes outside the recess 3, the protruding block 2 is provided in the form of a sphere, there is a gap between the protruding block 2 and the recess 3, the depth of the recess 3 is less than the radius of the capture head body 1, the diameter of the protruding block 2 is less than the radius of the capture head body 1, and the two adjacent protruding blocks 2 are arranged at intervals.

[0026] In order to more intuitively display the relationship between the protruding block 2 and the recess 3, Figure 5 The uppermost groove 3 inside the protruding block 2 is removed, and the relationship between the two is shown, Figure 6 The model diagram more vividly shows the relationship between the two,

[0027] The capture head body 1 is placed inside the sample, and then the connecting rod 5 is rotated by operating the rotating ring 4, the gap between the protrusion 2 and the groove 3 allows the protrusion 2 to rotate inside the groove 3, the rotation of the connecting rod 5 drives the rotation of the protrusion 2, the protrusion 2 and the connecting rod 5 rotate, the protrusion 2 can capture the target substance of the sample around it by rotating, and the target substance of the sample enters the inside of the groove 3 through the gap between the protrusion 2 and the groove 3, and a part of the sample can be carried by the structure of the groove 3, the capture head body 1 can be used for lower samples, and the angle of the sample does not need to be adjusted during the capturing process, which is convenient to operate.

[0028] The upper end of the connecting rod 5 extends into the inside of the groove 3, and the connecting rod 5 is provided with a gear 6, the capture head body 1 is rotatably connected with a rotating ring 4, the inside of the rotating ring 4 is uniformly provided with a tooth block 7, the tooth block 7 and the gear 6 are meshed with each other, the rotating ring 4 is a circular ring structure, and the rotating ring 4 wraps the outside of the capture head body 1.

[0029] During the rotation of the rotating ring 4, the rotating ring 4 drives the tooth block 7 to rotate synchronously, the rotation of the tooth block 7 pushes the gear 6, and then the gear 6 rotates, the rotation of the gear 6 drives the connecting rod 5 to rotate, and the synchronous rotation of the gears 6 around can be realized by the arrangement of the rotating ring 4 and the tooth block 7, and the working efficiency is improved.

[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A capture head with increased surface area, characterized in that: A plurality of protrusions (2) are mounted on the capture head body (1), and a plurality of grooves (3) are provided around the bottom of the capture head body (1). The protrusions (2) are engaged in the interior of the grooves (3) to increase the surface area of ​​the capture head body (1).

2. The capture head with increased surface area according to claim 1, characterized in that: The capture head body (1) is internally rotatably connected to a connecting rod (5), and a plurality of protrusions (2) are installed at the bottom of the connecting rod (5). The inner diameter of the groove (3) is larger than the diameter of the protrusion (2), and the protrusion (2) protrudes outside the groove (3), and a gap exists between the protrusion (2) and the groove (3).

3. The capture head with increased surface area according to claim 1, characterized in that: The convex block (2) is a spherical block, and there is a gap between the convex block (2) and the groove (3).

4. The capture head with increased surface area according to claim 1, characterized in that: The depth of the groove (3) is smaller than the radius of the capture head body (1).

5. The capture head with increased surface area according to claim 2, characterized in that: The upper end of the connecting rod (5) extends into the interior of the groove (3), and a gear (6) is installed on the connecting rod (5). A rotating ring (4) is rotatably connected to the capture head body (1), and gear blocks (7) are evenly installed on the inner side of the rotating ring (4).

6. The capture head with increased surface area according to claim 5, characterized in that: The tooth block (7) and the gear (6) are meshed with each other, and the rotating ring (4) is a circular ring structure, and the rotating ring (4) is wrapped around the outside of the capture head body (1).

7. The capture head with increased surface area according to claim 1, characterized in that: The diameter of the protrusion (2) is smaller than the radius of the capture head body (1), and two adjacent protrusions (2) are arranged at intervals.

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