Self-flowing type microbiological identification drug sensitivity detection chip

By designing a self-flowing microbial identification and drug sensitivity detection chip, the problems of complex and uneven sample addition in existing technologies have been solved, thus simplifying the sample addition process and improving the efficiency of sample addition.

CN223688348UActive Publication Date: 2025-12-19BEIJING SANMAN TECH CO LTD
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Patent Information

Application Number
CN202423233333.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-19
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Existing microbial identification and drug susceptibility testing chips have complex and cumbersome sample addition operations, low efficiency, and are not conducive to uniform sample addition.

Method used

A self-flowing microbial identification and antimicrobial susceptibility testing chip is designed. By setting a pressure membrane cover, a sample dispensing port, an annular groove and a waterproof and breathable membrane on the chip body, self-flowing microbial sample dispensing is achieved, simplifying the sample dispensing operation.

Benefits of technology

It enables uniform loading of microbial samples, simplifies the loading operation, and improves loading efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a self-flowing type microbiological identification drug sensitivity detection chip which comprises a chip main body, a pressure film upper cover plate is arranged at the top of the chip main body, a sample adding opening is formed in one side of the top of the chip main body, and a pressure film lower cover plate is mounted at the bottom of the sample adding opening; a plurality of sample holes are formed in the chip main body, annular grooves formed in the top of the chip main body are formed in the peripheries of the sample holes, and the sample holes are communicated with the annular grooves through filling grooves; a waterproof breathable film is installed at the bottom of the chip body, a vertical hole formed in the chip body is formed in the top of the waterproof breathable film, and the vertical hole communicates with the filling groove. According to the utility model, a microbe sample can be uniformly added through the annular groove in a self-flowing manner by only carrying out one-time sample adding operation at the sample adding opening, so that the sample adding operation is simpler and more convenient, the sample adding efficiency is higher, and the structure is simple.
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Description

TECHNICAL FIELD

[0001] The utility model relates to microorganism detection technical field, concretely is a self flow type microorganism identification drug sensitivity detection chip. BACKGROUND

[0002] At present, when carrying out microorganism identification drug sensitivity detection, it needs to use detection chip, that is, the detection chip is used to add microorgan organism sample, such as the detection chip is used to add suspended bacteria liquid, then the detection chip is placed into microorganism identification drug sensitivity detection instrument to carry out detection operation for obtaining detection result. That is to say, the microorganism identification drug sensitivity detection instrument obtains detection result through the microorganism sample in the detection chip, wherein the detection chip is used as the carrier of the sample.

[0003] Generally, a plurality of sample adding holes are arranged in the detection chip, each sample adding hole is used to accommodate the same kind of microorganism sample to better and more comprehensively carry out microorganism detection, for example, each sample adding hole or several sample adding holes are used to detect one expected result, and each sample adding hole is used to obtain comprehensive expected result.

[0004] However, the existing detection chip still has the following problems: because the number of sample adding holes in the detection chip is large, the operator needs to use a test tube or a sample adding needle to add sample to the sample adding holes one by one, so that the sample adding operation is complex and tedious, the efficiency is low, and it is not convenient to uniformly add sample. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a self flow type microorganism identification drug sensitivity detection chip to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a self flow type microorganism identification drug sensitivity detection chip, which comprises a chip main body, a pressure film upper cover piece is arranged on the top of the chip main body, a sample adding port is arranged on one side of the top of the chip main body, and a pressure film lower cover piece is installed at the bottom of the sample adding port.

[0007] A plurality of sample holes are formed in the chip main body, an annular groove is arranged around the plurality of sample holes and formed in the top of the chip main body, and the sample holes are communicated with the annular groove through an adding groove.

[0008] A waterproof and breathable film is installed at the bottom of the chip main body, a vertical hole is formed in the top of the waterproof and breathable film and formed in the chip main body, and the vertical hole is communicated with the adding groove.

[0009] Preferably, a notch is formed in the pressure film upper cover piece and sleeved on the sample adding port.

[0010] Preferably, a sealing rubber plug is installed at the top of the sample adding port.

[0011] Preferably, the sample port is connected with the annular groove.

[0012] Preferably, the filling grooves on the same side of the sample holes are arranged in parallel, and the end of the filling groove is connected with the vertical hole.

[0013] Preferably, the sample holes are 24, the inner diameter of the sample hole is 5.8mm, the inner height is 8mm, and the capacity is 200ul.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] Only one sample adding operation is needed in the sample port, so that the microbial sample can be uniformly added through the annular groove in a self-flowing mode, the sample adding operation is more simple and convenient, the sample adding efficiency is higher, and the structure is simple. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is an explosion structure schematic view of the utility model;

[0017] Fig. 2 It is a top structure schematic view of the utility model;

[0018] Fig. 3 It is a bottom structure schematic view of the utility model.

[0019] In the drawing: 1, chip main body; 2, pressure film upper cover sheet; 3, sample port; 4, notch; 5, sealing rubber plug; 6, pressure film lower cover sheet; 7, waterproof air-permeable film; 8, sample hole; 9, annular groove. DETAILED DESCRIPTION

[0020] 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 belong to the protection scope of the utility model.

[0021] Please refer to Figs. 1-3 The utility model provides a kind of technical solutions: a self-flowing microbial identification drug sensitivity detection chip, including chip main body 1, pressure film upper cover sheet 2 is arranged in the top of chip main body 1, and the top side of chip main body 1 is provided with sample port 3, and pressure film lower cover sheet 6 is installed in the bottom of sample port 3.

[0022] Multiple sample holes 8 are set on chip main body 1, and multiple sample holes 8 are provided with annular groove 9 set in the top of chip main body 1, and sample hole 8 is connected with annular groove 9 by filling groove;

[0023] The bottom of the chip main body 1 is provided with a waterproof and breathable film 7, and the top of the waterproof and breathable film 7 is provided with a vertical hole formed in the chip main body 1 and communicated with the filling groove.

[0024] In the utility model, the pressure film upper cover sheet 2 is provided with a notch 4, and the notch 4 is sleeved on the sample adding opening 3.

[0025] In the utility model, the top of the sample adding opening 3 is provided with a sealing rubber plug 5.

[0026] In the utility model, the sample adding opening 3 is communicated with the annular groove 9.

[0027] In the utility model, the filling grooves on the same side of the sample holes 8 are parallelly arranged, and the end portions of the filling grooves are connected with the vertical holes, so that the sample adding is uniform through the multiple filling grooves for adding the sample to the multiple sample holes 8.

[0028] In the utility model, the sample hole 8 is 24, the inner diameter of the sample hole 8 is 5.8mm, the inner height is 8mm, the capacity is 200ul, and every 12 sample holes 8 are symmetrically arranged based on the center line of the chip main body 1, and the multiple sample holes are located on the same plane, so that the structure of the sample hole 8 is more optimized and reasonable.

[0029] In the utility model, the working principle is as follows: the sealing rubber plug 5 is opened, the microbial sample is added to the sample adding opening 3, the microbial sample flows into the annular groove, the annular groove uniformly adds the microbial sample to the sample holes 8 through the filling grooves, the microbial sample uniformly flows into all the sample holes 8, and 150ul of liquid flows into the sample hole 8, so that only one sample adding operation is needed in the sample adding opening, and the self-flowing sample adding operation of the microbial sample is realized, that is, the sample adding effect of self-flowing is achieved, so that the sample adding operation is more simple and convenient, and the sample adding efficiency is higher.

[0030] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art, although the embodiments of the utility model have been shown and described, it can be understood by the person skilled in the art that the embodiments can be changed, modified, replaced and changed in various manners without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A self-flowing microbial identification and antimicrobial susceptibility testing chip, characterized in that: Including chip body (1), the top of chip body (1) is provided with pressure film upper cover piece (2), and the top side of chip body (1) is provided with sample adding port (3), the bottom of sample adding port (3) is installed pressure film lower cover piece (6); Multiple sample holes (8) are set up on the chip body (1), and the periphery of multiple sample holes (8) is provided with annular groove (9) set up on the top of chip body (1), and sample hole (8) is communicated with annular groove (9) through filling groove; The bottom of chip body (1) is installed waterproof breathable membrane (7), the top of waterproof breathable membrane (7) is provided with vertical hole set up on chip body (1), and vertical hole is communicated with filling groove.

2. The self-flowing microorganism identification and drug sensitivity detection chip according to claim 1, characterized in that: The pressure film upper cover piece (2) is provided with notch (4), and notch (4) is sleeved on sample adding port (3).

3. The self-flowing microorganism identification and drug sensitivity detection chip according to claim 1, characterized in that: The top of sample adding port (3) is installed sealing rubber plug (5).

4. The self-flowing microorganism identification and drug sensitivity detection chip according to claim 1, characterized in that: The sample adding port (3) is communicated with annular groove (9).

5. The self-flowing microorganism identification and drug sensitivity detection chip according to claim 1, characterized in that: The filling groove on the sample hole (8) of the same side is parallelly arranged, and the end of the filling groove is connected with the vertical hole.

6. The self-flowing microorganism identification and drug sensitivity detection chip according to claim 1, characterized in that: The sample hole (8) is 24, the inner diameter of sample hole (8) is 5.8mm, the inner height is 8mm, and the capacity is 200ul.