CN218474751U

CN218474751U - Self-contained pressure steam sterilization biological indicator device

Info

Publication number: CN218474751U
Application number: CN202220826183.2U
Authority: CN
Inventors: 刘兴海; 田泽; 高凯斐; 徐磊; 沈志林; 叶大林
Original assignee: Zhejiang Tailin Life Science Co ltd
Current assignee: Zhejiang Tailin Life Science Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2023-02-14
Anticipated expiration: 2032-04-11

Abstract

The utility model discloses a self-contained pressure steam sterilization biological indicator device, which is characterized in that a positioning structure which is matched with and positions the initial position and the sealing position of a cap plug is arranged between the cap plug and a bottle cap, the positioning structure comprises an upper stop buckle which is arranged between the cap plug and the bottle cap and is arranged at the initial position, a lower stop buckle which is arranged between the cap plug and the bottle cap and is arranged at the sealing position, and at least one anti-tripping device which is matched with the upper stop buckle and the lower stop buckle; accessible goes up the stop buckle and detains cooperation location cap stopper in initial position with the anticreep, and high temperature steam can get into the bottle through connecting inside and outside air inlet duct on the cap stopper, sterilizes to the fungus piece. When incubation is needed, the cap plug is pressed down forcibly before incubation after indicator sterilization, so that the cap plug and the upper end face of the bottle cap are sealed, the upper end face of the bottle cap is kept to be matched with the outer edge end face of the cap plug through the cooperation of the lower stop buckle and the anti-falling buckle, air is prevented from entering the bottle body, and the accuracy of a detection result is ensured. The utility model discloses the realization of structure is not sealed when sterilizing, and is sealed completely when hatching.

Description

Self-contained pressure steam sterilization biological indicator device

Technical Field

The utility model relates to a self-contained pressure steam sterilization biological indicator device.

Background

Self-contained pressure steam sterilization biological indicators are routinely used to detect sterilization effects during medical, pharmaceutical instrument and equipment sterilization. The traditional self-contained steam sterilization biological indicator consists of a bottle body, a bacterial tablet, an ampoule tube, dialyzing paper and a bottle cap, wherein the bacterial tablet is placed at the bottom of the bottle body, the ampoule tube is placed on the bacterial tablet, and the dialyzing paper and the bottle cap are placed at the end part of the bottle body. The bottle cap end face or the side face of the biological indicator is provided with a plurality of small holes, so that high-temperature steam can flow into the bottle body for sterilization. When the biological indicator is used, the biological indicator is placed in a sterilization cabin, an ampoule tube in a bottle body is broken after sterilization, the bacterial tablets are soaked in the culture solution, and spores in the bacterial tablets are incubated. After a certain time, if spores are hatched on the bacterial slices, the sterilization is insufficient, otherwise, the sterilization is sufficient.

The biological indicator is difficult to ensure the tightness in the incubation process due to the factors of no sealing between the bottle body and the bottle cap, small holes and the like on the bottle cap, thereby influencing the detection result.

Disclosure of Invention

The utility model provides a self-contained pressure steam sterilization biological indicator device which can guarantee the sealing performance and has high accuracy of the detection result in the incubation process for solving the problems existing in the use of the prior art.

Compared with the prior art, the utility model, a from formula pressure steam sterilization biological indicator device, including can be used for placing the fungus piece, ann cuts open the bottle, the bottle lid of dialyzing paper, with bottle complex bottle lid, the bottle lid on be equipped with the cap stopper, as the improvement, cap stopper and bottle lid between be equipped with the initial position of cooperation location cap stopper and the location structure of sealing position, the location structure including set up between cap stopper and bottle lid location cap stopper in the upper stop buckle of initial position, location cap stopper in the lower stop buckle of sealing position, and with upper and lower stop buckle mutually supporting at least one anti-disengaging; the cap plug is provided with an outer edge which is in sealing fit with the upper end edge of the bottle cap, the cap plug is provided with an air inlet groove which is connected with the inner part and the outer part, and the upper end opening of the air inlet groove is higher than the upper stop buckle and lower than the end surface of the outer edge; when the outer edge of the cap plug is in sealing fit with the upper end edge of the bottle cap, the cap plug is positioned at a sealing position.

As a further improvement, the anti-dropping buckle is an inverted buckle which can enable the cap plug to be inserted into the bottle cap in a one-way mode.

As a further improvement, a section of side sealing structure is arranged between the side surface of the bottle cap and the side surface of the bottle body.

As a further improvement, the side surface of the bottle cap is in interference fit with the side surface seal of the bottle body.

As a further improvement, a matched buckle is arranged between the side surface of the bottle cap and the side surface of the bottle body.

As a further improvement, the air inlet groove is arranged on the outer wall of the cap plug.

As a further improvement, the upper stopping buckle and the lower stopping buckle are arranged at corresponding positions on the inner side of the bottle cap, and the anti-falling buckle is arranged on the cap plug.

As a further improvement, the distance between the upper stop buckle and the lower stop buckle is equal to the distance between the anti-falling buckles.

As a further improvement, a guide inclined plane which is matched with the bottle cap and is convenient to install is arranged between the bottle cap and the bottle body.

As a further improvement, a second reverse buckling structure matched with the bottle body is arranged between the bottom of the bottle cap and the bottle body.

Compared with the prior art, the utility model, between the cap plug and the bottle cap, a positioning structure is provided which is matched with the initial position of the positioning cap plug and the sealing position, the positioning structure comprises an upper stop buckle which is arranged between the cap plug and the bottle cap and is positioned at the initial position, a lower stop buckle which is arranged between the positioning cap plug and the bottle cap and is positioned at the sealing position, and at least one anti-tripping device which is matched with the upper stop buckle and the lower stop buckle; accessible goes up the stop buckle and detains cooperation location cap stopper in initial position with the anticreep, and high temperature steam can get into the bottle through connecting inside and outside air inlet duct on the cap stopper, sterilizes to the fungus piece. When needing to hatch, before hatching after the indicator sterilization, press the cap stopper hard, make cap stopper and bottle lid up end sealed, the accessible stops down the knot and detains the cooperation with the anticreep and keep the cooperation of bottle lid up end and cap stopper's outer edge terminal surface, can effectually prevent that the air from getting into the bottle, can effectual assurance testing result's accuracy. The utility model discloses unsealed when the indicator of structure can realize the sterilization, sealed completely when hatching.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of fig. 1 at a.

Fig. 3 is an enlarged schematic view of fig. 1 at b.

Fig. 4 is a cross-sectional view of another angle of the present invention.

Fig. 5 is a schematic structural diagram of the incubation state of the present invention.

Fig. 6 is an enlarged schematic view at c of fig. 5.

Fig. 7 is a schematic view of the structure of the cap plug and the bottle cap.

FIG. 8 is an exploded schematic view of the indicator device.

Detailed Description

Referring to fig. 1-8, the present embodiment includes a self-contained pressure steam sterilization biological indicator apparatus, which includes a bottle body 1 for placing a bacterial tablet 2, an ampoule 3, and a dialysis paper 4, and a bottle cap 5 engaged with the bottle body 1, wherein a cap 6 is disposed on the bottle cap 5, a positioning structure is disposed between the cap 6 and the bottle cap 5 for cooperatively positioning an initial position and a sealing position of the cap 6, the positioning structure includes an upper stop catch 21 disposed between the cap 6 and the bottle cap 5 for positioning the cap 6 at the initial position, a lower stop catch 22 for positioning the cap 6 at the sealing position, and at least one anti-release device 61 engaged with the upper and lower stop catches 22; the cap plug 6 is provided with an outer edge 60 which is in sealing fit with the upper end edge of the bottle cap 5, the cap plug 6 is provided with an air inlet groove 62 which is connected with the inside and the outside, and the upper end opening of the air inlet groove 62 is higher than the upper stop buckle 21 and lower than the end surface of the outer edge 60; when the cap plug 6 is positioned at the initial position, the air inlet groove 62 is communicated with the inside and the outside; when the outer edge 60 of the cap plug 6 is in sealing fit with the upper edge of the bottle cap 5, the cap plug 6 is located at a sealing position.

The utility model discloses during the structure uses, the anticreep is detained 61 and is detained 21 cooperatees the location cap stopper 6 in initial position with last backstop, can push into the mounting hole of cap stopper 6 with cap stopper 6 in advance, makes anticreep release 61 be located between the upper and lower backstop is detained, and 21 cooperations are detained with last backstop to the anticreep is detained 61, can prevent effectively that cap stopper 6 from breaking away from bottle lid 5 easily, and the anticreep is detained 61 and is detained 22 tops by the backstop in lower backstop, and cap stopper 6 also down landing. Because the upper port of the air inlet groove 62 is higher than the upper stop catch 21 and lower than the end surface of the outer rim 60, the cap plug 6 in the initial state is not sealed with the bottle cap 5 before use, preferably, when the cap plug 6 is in the initial state, the cap plug 6 is in a state that the cap plug 6 cannot slide down or fall off upwards, and the upper port of the air inlet groove 62 is higher than the upper end rim of the bottle cap 5 and is not sealed at all, so that the inner part and the outer part of the bottle body 1 are communicated. When the indicator is sterilized, because the cap plug 6 is not sealed with the bottle cap 5, high-temperature steam can enter the bottle body 1 through the air inlet groove 62 on the side surface of the cap plug 6 to sterilize the fungus pieces 2. See fig. 1, 4. Referring to fig. 5, after the sterilization is finished and before the indicator is sterilized and incubated, the cap plug 6 is pressed to enter the sealing position, and the anti-falling buckle 61 is matched with the lower stopping buckle 22 to ensure the continuity of the sealing between the cap plug 6 and the bottle cap 5. The lower end face of the outer edge 60 of the cap plug 6 is in sealing fit with the upper end edge of the bottle cap 5, a sealing structure can be formed between the cap plug and the bottle cap 5, air can be effectively prevented from entering the bottle body, and the accuracy of a detection result can be effectively guaranteed.

The anti-release buckle 61 is an inverted buckle which can enable the cap plug 6 to be inserted into the bottle cap 5 in one direction, so that the anti-release buckle 61 can be inserted into the bottle cap 5 along with the cap plug 6 in one direction to prevent release.

A section of side sealing structure is arranged between the side surface of the bottle cap 5 and the side surface of the bottle body 1. When the bottle cap 5 is assembled with the bottle body 1, the sound of the assembly in place is obvious, the two parts can form secondary sealing, and finally the bottle cap 5 can be prevented from being separated from the bottle body 1. The side surface of the bottle cap 5 is in interference fit with the sealing position of the side surface of the bottle body 1. A matched buckle 11 is arranged between the side surface of the bottle cap 5 and the side surface of the bottle body 1. And a second reverse buckling structure matched with the bottle cap 5 is arranged between the bottom of the bottle cap and the bottle body 1. The second reverse-buckling structure can be formed by a buckle.

The air inlet groove 62 is formed in the outer wall of the cap plug 6.

In this embodiment, preferably, the upper and lower stopping buttons are disposed at corresponding positions on the inner side of the bottle cap 5, and the anti-releasing button 61 is disposed on the cap plug 6. The distance between the upper stopping buckle and the lower stopping buckle is preferably set to be capable of accommodating the anti-tripping device 61, and the distance between the upper stopping buckle and the lower stopping buckle is equal to the anti-tripping device 61.

A guide inclined plane 12 which is matched with the bottle cap 5 and is convenient to install is arranged between the bottle body 1. The guiding slopes 12 can be arranged on the cover 5 or/and corresponding matching parts of the bottle body 1. The guide slopes 12 are disposed at corresponding positions on the bottle body in this embodiment.

Claims

1. A self-contained pressure steam sterilization biological indicator device comprises a bottle body and a bottle cap, wherein the bottle body can be used for placing bacterial tablets, an amputation bottle and dialysis paper, the bottle cap is matched with the bottle body, and a cap plug is arranged on the bottle cap, and the self-contained pressure steam sterilization biological indicator device is characterized in that: a positioning structure which is matched with the cap plug to position the initial position and the sealing position of the cap plug is arranged between the cap plug and the bottle cap, the positioning structure comprises an upper stop buckle which is arranged between the cap plug and the bottle cap and used for positioning the cap plug at the initial position, a lower stop buckle which is arranged between the cap plug and the bottle cap and used for positioning the cap plug at the sealing position, and at least one anti-tripping device which is matched with the upper stop buckle and the lower stop buckle; the cap plug is provided with an outer edge which is in sealing fit with the upper end edge of the bottle cap, the cap plug is provided with an air inlet groove which is connected with the inner part and the outer part, and the upper end opening of the air inlet groove is higher than the upper stop buckle and lower than the end surface of the outer edge; when the outer edge of the cap plug is in sealing fit with the upper end edge of the bottle cap, the cap plug is positioned at a sealing position.

2. The self-contained pressure steam sterilization biological indicator device of claim 1, wherein: the anti-dropping buckle is an inverted buckle of which the cap plug can be inserted into the bottle cap in one direction.

3. The self-contained pressure steam sterilization biological indicator device of claim 1, wherein: a section of side sealing structure is arranged between the side surface of the bottle cap and the side surface of the bottle body.

4. The self-contained pressure steam sterilization biological indicator device of claim 1, wherein: the side surface of the bottle cap is in interference fit with the sealing part of the side surface of the bottle body.

5. The self-contained pressure steam sterilization biological indicator device of claim 1, wherein: and a matched buckle is arranged between the side surface of the bottle cap and the side surface of the bottle body.

6. The self-contained pressure steam sterilization biological indicator device of claim 1, wherein: the air inlet groove is arranged on the outer wall of the cap plug.

7. The self-contained pressure steam sterilization biological indicator device of claim 1, wherein: the upper and lower stop buttons are arranged at corresponding positions on the inner side of the bottle cap, and the anti-drop button is arranged on the cap plug.

8. The self-contained pressure steam sterilization biological indicator device of claim 1, wherein: the distance between the upper stop buckle and the lower stop buckle is equal to the anti-drop buckle.

9. The self-contained pressure steam sterilization biological indicator device of claim 1, wherein: a matched guide inclined plane convenient to mount is arranged between the bottle cap and the bottle body.

10. The self-contained pressure steam sterilization biological indicator device of claim 1, wherein: and a second reverse buckling structure matched with the bottle body is arranged between the bottom of the bottle cap and the bottle body.