CN211999647U

CN211999647U - Directly-heated blood culture instrument

Info

Publication number: CN211999647U
Application number: CN201922371061.XU
Authority: CN
Inventors: 乌月恒; 于津
Original assignee: ZHUHAI MEIHUA BIO-MEDICAL TECHNOLOGY CO LTD
Current assignee: ZHUHAI MEIHUA BIO-MEDICAL TECHNOLOGY CO LTD
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-11-24
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a directly-heated type blood culture instrument, include: a box body; the plurality of mutually independent constant temperature units are arranged in the box body, and each constant temperature unit comprises a heating body; the accommodating chamber is used for accommodating the culture bottles and formed in each constant temperature unit, a heating body is arranged on the inner wall of the accommodating chamber or the accommodating chamber is formed by surrounding the heating body, and the heating body is in direct contact with the culture bottles. This blood culture appearance adopts the mode of directly heating, separate box inner space for a plurality of mutually independent constant temperature unit, the blake bottle is placed in holding the cavity and with heat-generating body direct contact, the heat-generating body can carry out direct heat conduction transmission to the blake bottle effectively, the blake bottle can not receive the influence of the ambient temperature in the box and other constant temperature units, the temperature fluctuation is very little, for the blood sample in the blake bottle provides stable constant temperature environment, under the necessary condition, different constant temperature unit can also provide different constant temperature environment for different blake bottles.

Description

Directly-heated blood culture instrument

Technical Field

The utility model relates to a blood culture technical field, in particular to blood culture instrument.

Background

The blood culture instrument is a microbiological examination device for detecting the existence of bacteria in a blood sample, and has very important function for quickly detecting septicemia seriously threatening the life of a patient clinically and whether bacteria grow in the blood of a patient with bacteremia so as to clearly diagnose. In recent years, with the progress of science and technology and the development of microbiology, microbiologists, computer specialists and engineers have combined to develop a number of fully automated blood culture apparatus capable of accommodating tens or even hundreds of culture bottles simultaneously.

During the use of the blood culture instrument, a stable temperature environment needs to be provided for the blood sample, and the temperature is usually kept at 35 +/-1.5 ℃ and is higher than the room temperature. The existing blood culture instrument usually adopts an air circulation heating mode to build a relatively stable temperature environment for a culture bottle, but a box body of the blood culture instrument needs to be opened and closed frequently so as to put a new culture bottle into the box body or take out the culture bottle for standby, so that air flow is large, the temperature environment in the box body is greatly influenced, especially when the culture bottle which is still at room temperature is just put into the box body, the newly added culture bottle has influence on the ambient temperature, the temperature fluctuation in the box body is large, the temperature of other culture bottles is influenced, and the blood culture instrument cannot maintain a stable constant temperature environment.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a directly-heated type blood culture instrument can provide stable constant temperature environment for the blood sample.

According to the utility model discloses directly-heated type blood culture appearance, include: a box body; the plurality of mutually independent constant temperature units are arranged in the box body, and each constant temperature unit comprises a heating body; the chamber that holds for place the blake bottle, be formed at every constant temperature unit in, the inner wall setting of chamber that holds the heat-generating body perhaps the chamber that holds by the heat-generating body encloses to close and forms, heat-generating body and blake bottle direct contact.

The method has the following beneficial effects: this blood culture appearance adopts the mode of directly heating, separate box inner space for a plurality of mutually independent constant temperature unit, the blake bottle is placed in holding the cavity and with heat-generating body direct contact, the heat-generating body can carry out direct heat conduction transmission to the blake bottle effectively, the blake bottle can not receive the influence of the ambient temperature in the box and other constant temperature units, the temperature fluctuation is very little, for the blood sample in the blake bottle provides stable constant temperature environment, under the necessary condition, different constant temperature unit can also provide different constant temperature environment for different blake bottles.

According to some embodiments of the utility model, hold the cavity by the heat-generating body encloses to close and forms, the heat-generating body is the ceramic heat-generating body.

According to some embodiments of the utility model, the constant temperature unit still includes the elastic component, the elastic component install in one side of heat-generating body acts on the blake bottle, the elastic component orders about the blake bottle with the opposite side of heat-generating body compresses tightly the contact.

According to some embodiments of the utility model, the blake bottle is transversely placed in holding the cavity, the elastic component install in the upside of heat-generating body, the elastic component orders about the blake bottle with the downside of heat-generating body compresses tightly the contact.

According to some embodiments of the utility model, hold the cavity and be front and back both ends open-ended cavity column, the constant temperature unit is provided with in the rear end that holds the cavity and is used for the backstop portion of blake bottle bottom.

According to some embodiments of the invention, the elastic member is a spring, the elastic member having an arc portion that can follow the radial elastic deformation of the culture flask.

According to some embodiments of the utility model, the elastic component orientation the front end extension of holding the cavity is provided with elasticity anticreep portion, elasticity anticreep portion can support the pressure to act on the throat section of blake bottle.

According to some embodiments of the invention, the elastic anti-slip portion is V-shaped.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic partial structure diagram of an embodiment of the present invention;

fig. 3 is a sectional view of the constant temperature unit according to the embodiment of the present invention.

Reference numerals: the incubator 100, the thermostatic unit 200, the heating element 210, the housing chamber 220, the elastic member 230, the arc portion 231, the elastic stopper portion 232, the stopper portion 240, and the culture flask 300.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, the culture bottle of the present invention is not the structure of the present invention, and the introduction of the culture bottle is for explaining the structure and/or function. It should be understood that the positional or orientational descriptions, such as the directions of up, down, front, rear, left, right, etc., are based on the positional or orientational relationships shown in the drawings and are for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 2, the utility model discloses a directly-heated blood culture instrument, including box 100 and a plurality of mutually independent constant temperature unit 200, a plurality of constant temperature unit 200 are arranged in the inside of box 100, and every constant temperature unit 200 includes heat-generating body 210, is formed with in every constant temperature unit 200 and holds cavity 220, holds cavity 220 and is used for placing blake bottle 300, holds cavity 220 and encloses by heat-generating body 210 and close and form, heat-generating body 210 and blake bottle 300 direct contact.

In addition, except that the accommodating chamber 220 is enclosed by the heating element 210 to form the structure, the utility model discloses can also set up the heating element 210 at the inner wall of accommodating chamber 220, also can make heating element 210 and blake bottle 300 direct contact.

It is understood that the entire structure of the case 100 is not shown in fig. 1, the case 100 can provide a sealed space for all the thermostatic units 200, and of course, the case 100 itself can be opened and closed, and the heating element 210 can be operated when it is powered on.

This blood culture appearance adopts directly hot mode, separates box 100 inner space for a plurality of mutually independent constant temperature unit 200, and blake bottle 300 places in holding chamber 220 and with heat-generating body 210 direct contact, and heat-generating body 210 can carry out direct heat conduction transmission to blake bottle 300 effectively, and blake bottle 300 can not receive the influence of the ambient temperature in the box 100 and other constant temperature unit 200, and the temperature fluctuation is very little, provides stable constant temperature environment for the blood sample in blake bottle 300.

In some embodiments of the present invention, the heating element 210 is a ceramic heating element, and the ceramic heating element has the advantages of high efficiency, energy saving, uniform temperature, good heat conductivity, fast thermal compensation, etc., which is one of the choices of the better of the middle heating element 210.

Referring to fig. 2 and 3, the thermostatic unit 200 further includes an elastic member 230, the elastic member 230 is mounted on one side of the heating body 210 and acts on the culture bottle 300, and the elastic member 230 urges the culture bottle 300 into pressing contact with the other side of the heating body 210, thereby ensuring stable heat conduction of the heating body 210.

Specifically, the culture bottle 300 is transversely placed in the accommodating chamber 220, the elastic member 230 is mounted on the upper side of the heat-generating body 210, and the elastic member 230 urges the culture bottle 300 into pressing contact with the lower side of the heat-generating body 210.

In order to match the shape of the conventional culture bottle 300, the receiving chamber 220 is a hollow cylinder with both front and rear ends open, the thermostatic unit 200 is provided with a stopper 240 at the rear end of the receiving chamber 220 for stopping the bottom of the culture bottle 300, as shown in fig. 3, the inner diameter of the heating element 210 is slightly larger than the maximum outer diameter of the culture bottle 300, the lower side of the culture bottle 300 is in contact with the inner side of the lower part of the heating element 210, and other outer parts of the culture bottle 300 are very close to the heating element 210, although not in direct contact, the heating element 210 indirectly conducts heat to the culture bottle 300 through air, and particularly at the stage when the culture bottle 300 is just put in, the culture bottle 300 can be rapidly heated.

In some embodiments of the utility model, elastic component 230 is the shell fragment, elastic component 230 has the circular arc portion 231 that can follow the radial elastic deformation of blake bottle 300, elastic component 230 is provided with elasticity anticreep portion 232 towards the front end extension that holds cavity 220, elasticity anticreep portion 232 can support the compression and act on the throat section of blake bottle 300, even make blake bottle 300 compress tightly the rear end that holds cavity 220, also prevent that blake bottle 300 from breaking away from the front end that holds cavity 220, elastic component 230 reaches the effect of diversified blake bottle 300 of fixing a position.

Specifically, elasticity anticreep portion 232 is the V style of calligraphy, can follow the radial elastic deformation of blake bottle 300, makes things convenient for the inserting of blake bottle 300 to hold cavity 220 and take out from holding cavity 220 in, and in addition, arc portion 231 and elasticity anticreep portion 232 are the integrated into one piece structure.

In addition, it is understood that different thermostatic units 200 can also provide different thermostatic environments for different flasks 300, if necessary.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A directly-heated blood culture instrument is characterized by comprising:

a box body;

the plurality of mutually independent constant temperature units are arranged in the box body, and each constant temperature unit comprises a heating body;

the chamber that holds for place the blake bottle, be formed at every constant temperature unit in, the inner wall setting of chamber that holds the heat-generating body perhaps the chamber that holds by the heat-generating body encloses to close and forms, heat-generating body and blake bottle direct contact.

2. The direct-heating blood culture apparatus according to claim 1, wherein the housing chamber is surrounded by the heating element, and the heating element is a ceramic heating element.

3. The direct-heating blood culture instrument according to claim 2, wherein the thermostatic unit further comprises an elastic member which is installed on one side of the heating body and acts on the culture bottle, and the elastic member drives the culture bottle to be in pressing contact with the other side of the heating body.

4. The direct-heating blood culture instrument according to claim 3, wherein the culture bottle is placed in the accommodating chamber in a transverse direction, the elastic member is mounted on the upper side of the heating element, and the elastic member urges the culture bottle into pressing contact with the lower side of the heating element.

5. The direct-heating blood culture instrument according to claim 4, wherein the receiving chamber has a hollow cylindrical shape with openings at the front and rear ends, and the thermostatic unit is provided with a stopper portion for stopping the bottom of the culture bottle at the rear end of the receiving chamber.

6. The direct-heating blood culture apparatus according to any one of claims 3 to 5, wherein the elastic member is a spring plate, and the elastic member has an arc portion that is elastically deformable in a radial direction of the culture bottle.

7. The direct-heating blood culture instrument according to claim 6, wherein the elastic member is provided with an elastic retaining portion extending toward a front end of the accommodating chamber, and the elastic retaining portion is capable of acting against a necking section of the culture bottle.

8. The direct-heating blood culture apparatus according to claim 7, wherein the elastic retaining portion is V-shaped.