CN213434545U

CN213434545U - Transfer tube suitable for immune biochemical instrument

Info

Publication number: CN213434545U
Application number: CN202022152993.8U
Authority: CN
Inventors: 于亮; 张蕾
Original assignee: Tianjin Guokong Shangen Medical Technology Co ltd
Current assignee: Tianjin Guokong Shangen Medical Laboratory Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-06-15
Anticipated expiration: 2030-09-27

Abstract

The utility model relates to a biomedical devices technical field specifically is a transfer pipe suitable for immunity biochemical instrument, including the body, the pipe cap outside the body is located to the cover, and fixed embedded plug in the pipe cap, the center department of pipe cap just is located the top of plug and has seted up the through hole, be equipped with in the through hole with pipe cap integrated into one piece's cap in edge, there is the baffle along integrated into one piece in the cap, two upper and lower cavitys are separated into to the baffle, and the center department of baffle sets up the bullport of two cavitys of intercommunication, be equipped with the sucking disc with plug looks rigid coupling under the bullport, the inner chamber of sucking disc is in the negative pressure state. The utility model discloses a bullport can guide the sampling needle well and stab the plug, avoids the sampling needle to sting askew, and guarantee sampling needle sample transfer process is stable smooth to laminating the plug through the sucking disc and forming the negative pressure cavity, having guaranteed the negative pressure effect of sampling needle, the combination low in cost of sucking disc and plug, the plug preparation need not complicated technology.

Description

Transfer tube suitable for immune biochemical instrument

Technical Field

The utility model relates to the technical field of biomedical equipment, in particular to a transfer tube suitable for an immune biochemical instrument.

Background

In the biomedical field, transfer tubes are used in large quantities, and in order to prevent samples from leaking and being polluted after collection, the most basic method is to seal the transfer tubes by tube covers with rubber plugs. At present, the top of the rubber plug of the widely-used transfer tube is provided with a bowl-shaped recess, and the top surface of the tube cover is provided with a through hole, so that the bowl-shaped recess of the rubber plug can be exposed. Although the bowl-shaped recess can be convenient for the sampling needle to find the accurate position and pierce the plug, the guide is lacked, and the sampling needle pierces the in-process and pierces askew easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transfer pipe suitable for immunization biochemical instrument to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shift pipe suitable for immune biochemical apparatus, includes the body, and the cover is located the outer pipe cap of body to and fixed embedded in plug in the pipe cap, the center department of pipe cap just is located the through hole has been seted up to the top of plug, be equipped with in the through hole with pipe cap integrated into one piece's cap along, there is the baffle along integrated into one piece in the cap, the baffle is separated two upper and lower cavitys are become to the through hole, just two of intercommunication have been seted up to the center department of baffle the bullport of cavity, be equipped with under the bullport with the sucking disc of plug looks rigid coupling, the inner chamber of sucking disc is in the negative pressure state.

Optionally, the butt joint of the open end inner wall of body has the plug, just the open end inner wall integrated into one piece of body has annular ladder piece, the outer wall of plug seted up with the identical annular ladder groove of annular ladder piece.

Optionally, the bottom of the rubber plug is provided with an arc-shaped groove which is sunken towards the top of the rubber plug, and the vertical section of the arc-shaped groove is in a semi-elliptic arc shape.

Optionally, the guide hole is a tapered hole, and the top opening diameter of the guide hole is larger than the bottom opening diameter thereof.

Optionally, a plastic film which is bonded with the partition plate is covered right above the guide hole, and the plastic film is an easily-torn film.

Optionally, the sucking disc includes circular silica gel sucking disc or oval silica gel sucking disc, the tight involution of the bottom edge of sucking disc and the top surface of plug through medical gluing agent.

Compared with the prior art, the utility model provides a transfer pipe suitable for immune biochemical instrument possesses following beneficial effect:

1. the utility model can well guide the sampling needle to pierce the rubber plug through the guide hole, avoid the sampling needle from skewing, ensure the sampling transfer process of the sampling needle to be stable and smooth, seal the guide hole through the plastic film, protect the rubber plug from being clean and pollution-free, and realize the safe transfer of the sample;

2. the utility model ensures the negative pressure effect of the sampling needle by attaching the sucker to the rubber plug, ensures the sample mobility when the sampling needle collects the samples, ensures the effectiveness of the sampling transfer operation, has low manufacturing cost of the combination of the sucker and the rubber plug, and does not need complex process for manufacturing the rubber plug;

3. the utility model discloses a warp curvature that falls into of arc recess is level and smooth continuous, and plug bottom stress distribution is even for the plug is sealed effectual with the open end inner wall of body, and after the sample received the oscillation in the body, the sample was difficult to gather in the bottom of plug.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the device comprises a pipe body 1, a pipe cap 2, a rubber plug 3, an annular step block 4, an annular step groove 5, a through hole 6, a cap inner edge 7, a partition plate 8, a guide hole 9, a suction cup 10, an arc-shaped groove 11 and a plastic film 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1, the present invention provides a transfer tube suitable for an immune biochemical apparatus, which includes a tube body 1, a tube cap 2 sleeved outside the tube body 1, and a rubber plug 3 embedded in the tube cap 2. The center department of pipe cap 2 and the top that is located plug 3 have seted up through hole 6, be equipped with in the through hole 6 with 2 integrated into one piece's of pipe cap in the cap along 7, along 7 and 2 integrative centre gripping plug 3 caps of pipe cap in the cap along 7 integrated into one piece have baffle 8, two upper and lower cavitys of through hole 6 one-tenth are separated to baffle 8, and the center department of baffle 8 sets up the bullport 9 of two cavitys of intercommunication, bullport 9 is the bell mouth, and the top opening diameter of bullport 9 is greater than its bottom opening diameter, the bullport 9 of the big bore in top is convenient for the sampling needle to run through, the bottom opening diameter of setting for bullport 9 is identical with the external diameter of sampling needle, bullport 9 can guide the sampling needle well and pierce plug 3, avoid the sampling needle to sting askewl.

A plastic film 12 which is connected with the clapboard 8 in a gluing way is covered right above the guide hole 9, the plastic film 12 is an easily torn film, the plastic film 12 prevents external foreign matters such as dust and bacteria from contacting the rubber plug 3, the sterility of the rubber plug 3 is maintained, and the safe transfer of samples is realized.

A sucker 10 fixedly connected with the rubber plug 3 is arranged right below the guide hole 9, the sucker 10 is an oval silica gel sucker, the oval silica gel sucker is extruded and a part of air in the inner cavity of the sucker is discharged, and then the bottom edge of the oval silica gel sucker is tightly sealed with the top surface of the rubber plug 3 through medical adhesive, so that the inner cavity of the sucker 10 is in a negative pressure state. Therefore, the negative pressure structure is arranged between the sucker 10 and the rubber plug 3, after the sampling needle is inserted into the sucker 10, the negative pressure effect of the sampling needle is ensured due to the negative pressure environment, the sample mobility is good when the sampling needle is used for collecting, the effectiveness of sampling transfer operation is ensured, the combination of the sucker 10 and the rubber plug 3 is low in manufacturing cost, and the rubber plug 3 is manufactured without a complex process.

Referring to fig. 2, the inner wall of the open end of the tube body 1 abuts against the rubber plug 3, the inner wall of the open end of the tube body 1 is integrally formed with an annular step block 4, the outer wall of the rubber plug 3 is provided with an annular step groove 5 which is matched with the annular step block 4, an annular step sealing structure is arranged between the tube body 1 and the rubber plug 3, the tube body 1 and the rubber plug 3 are tightly connected, and the leakage-proof effect is good.

The bottom of plug 3 is seted up to the arc recess 11 that is sunken to its top, and the vertical cross-section of arc recess 11 is half elliptic arc, so, the warp curvature of the invagination of arc recess 11 is level and smooth continuous, and 3 bottom stress distributions of plug are even, and plug 3 is sealed effectual with the open end inner wall of body 1 to after the sample received the oscillation in body 1, the sample was difficult to gather in the bottom of plug 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a transfer pipe suitable for immune biochemical instrument, includes body (1), and the cover is located body (1) outer tube cap (2) to and fixed embedded in plug (3) in tube cap (2), its characterized in that: the center department of pipe cap (2) just is located through hole (6) have been seted up to the top of plug (3), be equipped with in through hole (6) with pipe cap (2) integrated into one piece's cap along (7), there are baffle (8) along (7) integrated into one piece in the cap, baffle (8) are separated two upper and lower cavitys through hole (6) become, just two of intercommunication have been seted up to the center department of baffle (8) bullport (9) of cavity, be equipped with under the bullport (9) with sucking disc (10) of plug (3) looks rigid coupling, the inner chamber of sucking disc (10) is in the vacuum state.

2. The transfer tube of claim 1, wherein the transfer tube is adapted for use in an immunochemical apparatus, and comprises: the utility model discloses a rubber stopper, including body (1), rubber stopper (3), just the open end inner wall integrated into one piece of body (1) has annular ladder piece (4), the outer wall of rubber stopper (3) seted up with annular ladder groove (5) that annular ladder piece (4) are identical.

3. The transfer tube of claim 1, wherein the transfer tube is adapted for use in an immunochemical apparatus, and comprises: the bottom of the rubber plug (3) is provided with an arc-shaped groove (11) which is sunken towards the top of the rubber plug, and the vertical section of the arc-shaped groove (11) is in a semi-elliptic arc shape.

4. The transfer tube of claim 1, wherein the transfer tube is adapted for use in an immunochemical apparatus, and comprises: the guide hole (9) is a conical hole, and the diameter of the top opening of the guide hole (9) is larger than that of the bottom opening of the guide hole.

5. The transfer tube of claim 1, wherein the transfer tube is adapted for use in an immunochemical apparatus, and comprises: and a plastic film (12) which is bonded with the partition plate (8) is covered right above the guide hole (9), and the plastic film (12) is an easily torn film.

6. The transfer tube of claim 1, wherein the transfer tube is adapted for use in an immunochemical apparatus, and comprises: the sucker (10) comprises a circular silica gel sucker or an oval silica gel sucker, and the bottom edge of the sucker (10) is tightly sealed with the top surface of the rubber plug (3) through medical adhesive.