CN212441264U - Exempt from to uncap examination pipe structure - Google Patents

Abstract

The utility model discloses an exempt from to uncap test tube structure, including the test tube body, lid and rupture of membranes spare, the lid is including changeing the lid and sealing the film, change lid and test tube body and can dismantle the connection, place between commentaries on classics lid and the test tube body and seal the film, rupture of membranes spare includes outer ring and inlayer ring, outer ring and inlayer ring fixed connection, outer ring passes through the buckle arch and changes the buckle hole cooperation of covering with fixed position, the inlayer ring has the reservation groove, make inlayer ring puncture seal the film and open and seal through pressing rupture of membranes spare down, seal the film and keep connecting and can not fall into the test tube body in the position of reservation groove and test tube body, make the sample needle can easily stretch into the test tube body in the sample, can not be difficult to the sample because press from the needle or not ventilate.

Description

Exempt from to uncap examination pipe structure

Technical Field

The utility model relates to the technical field of in vitro diagnosis medical equipment, in particular to a cover-opening-free test tube structure.

Background

Currently, in the in vitro diagnosis industry, clinical samples are generally collected through a sample cup, then the clinical samples are poured into a test tube, and a plastic cover is screwed on the test tube for sealing, so that subsequent storage and transportation are facilitated. Staff must go to the test tube to cover just can detect, and troublesome handling can reduce medical personnel's work efficiency like this, and also probably cause the sample to spill over from the test tube and bring the biological contamination risk.

Uncapped test tubes also currently exist. Generally, a single-layer sealing layer made of plastic films or metal foils and the like is designed in the middle of a hollow cap to play a role in sealing; or a rubber plug is embedded on the hollow cap in a clamping way, a round hole is formed in the center of the rubber plug, and a silica gel sheet is arranged in the round hole to play a role in sealing; or two sealing layers are arranged on the hollow cover cap, one sealing layer is an air sealing layer made of plastic films or metal foils and the like, and the other sealing layer is a sealing layer made of elastic or flexible materials and capable of reversibly closing the puncture hole.

According to the technical scheme, the situation that the sealing layer clamps the puncture needle is easily caused during puncture, the test tube is taken up together while a sample is sucked, the sample in the test tube splashes, or the silicon sheet is tightly attached to the sampling needle, so that the pressure difference caused by gas circulation inside and outside the tube can not be ensured during sampling, the accuracy of the sucked sample volume is low, or the puncture needle is difficult to puncture the test tube, so that a firing pin and the like damage an instrument, or puncture debris is easily generated to enter the puncture needle, so that the needle is blocked, the sample is polluted and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an exempt from to uncap test tube structure aims at solving the current test tube of exempting from to uncap and pierces the difficulty and have the problem that presss from both sides needle, the ventilative condition and lead to absorbing sample efficiency and reduce.

In order to achieve the above object, the present invention provides a test tube structure without cap opening, comprising a test tube body, a cap body and a membrane breaking member, wherein the test tube body has a first groove, the cap body comprises a rotary cap and a sealing film, the rotary cap has a first through hole and a plurality of fastening holes, the plurality of fastening holes are distributed around the cap body, the sealing film is fixedly connected with the rotary cap and covers the first through hole, the rotary cap is detachably connected with the test tube body, the test tube body is located in the first through hole, the membrane breaking member comprises an outer ring and an inner ring, the outer ring has a plurality of fastening protrusions distributed on the outer ring and respectively located in the plurality of fastening holes, the inner ring has a preformed groove, the inner ring is fixedly connected with the outer ring, and is positioned at the inner side of the outer ring, and the preformed groove is close to the sealing film.

Wherein, the one end of test tube body keeping away from the lid is the cone.

Wherein, the test tube body includes test tube body and a plurality of floor, and is a plurality of the floor with test tube body fixed connection to be located the test tube body is kept away from one side of lid.

Wherein, the test tube body still includes the sheet rubber, the sheet rubber has the second through-hole, the sheet rubber with test tube body fixed connection, and cover first recess.

The shape of the second through hole can be any one of a straight line shape, a C shape, a cross shape, an X shape and a meter shape.

The cover body is provided with vertical stripes, and the vertical stripes are distributed on the periphery of the cover body.

The inner layer ring is provided with a chamfer, and the chamfer is positioned on one side of the inner layer ring close to the sealing film.

The outer layer ring is provided with a plurality of second grooves, and every two second grooves are distributed on two sides of the buckle protrusion.

The cover-opening-free test tube structure of the utility model can contain liquid samples in the first groove, a plurality of buckling holes are distributed around the cover body, the sealing film is fixedly connected with the rotary cover and is used for sealing the first groove, and the samples in the first groove are prevented from being polluted by external environment; the rotary cover is detachably connected with the test tube body, so that the sealing effect of the sealing film can be further enhanced; the test tube body is located in the first through hole, it is a plurality of the buckle is protruding to be distributed on the outer ring, ensure rupture of membranes spare is detained the commentaries on classics is covered and can not the slippage, the inlayer ring with outer ring fixed connection, the preformed groove is close to seal the film, is in through the drift directly over rupture of membranes spare downstream, the drift promotes this moment rupture of membranes spare downstream, the inlayer ring is at downstream in-process scratch its below seal the film, and makes seal the film and can not fall into in the first recess, when the sample needle got into test tube inner chamber and absorbs the sample, the sample needle can not contact basically seal the film. Through setting up broken membrane spare is right in advance seal the film and get rid of, avoid seal the film and fall into in the first recess for the sample needle can conveniently get into first recess is taken a sample and can not block the needle, thereby solves current exempt from to uncap the test tube and pierces the difficulty and have the condition of pressing from both sides needle, unventilated and lead to absorbing the problem that sample efficiency reduces. In addition, during the on-line detection, frequent uncovering and cover pulling are avoided; the sampling needle has almost no impact, and the requirements of the sampling needle on structure, strength, size and the like can be reduced; the sampling needle can not be stuck with film impurities.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an exploded view of a decapping-free test tube structure of the present invention;

FIG. 2 is a front view of a decapping-free test tube structure of the present invention;

fig. 3 is a partial cross-sectional view of the cover of the uncapping-free test tube structure of the present invention;

FIG. 4 is a view showing the construction of the rupture disk;

fig. 5 is an alternative shape diagram of the second through hole.

The test tube comprises a test tube body 1, a cover body 2, a membrane breaking member 3, a first groove 11, a test tube body 12, a rib plate 13, a rubber sheet 14, a cone 15, a rotary cover 21, a sealing film 22, a first through hole 23, a clamping hole 24, a vertical stripe 25, an outer ring 31, an inner ring 32, a clamping protrusion 33, a reserved groove 34, a chamfer 35 and a second groove 36.

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 and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "upper,

The directional or positional relationships "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are those based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a uncapping-free test tube structure, including:

the membrane rupture device comprises a test tube body 1, a cover body 2 and a membrane rupture member 3, wherein the test tube body 1 is provided with a first groove 11, the cover body 2 comprises a rotating cover 21 and a sealing film 22, the rotating cover 21 is provided with a first through hole 23 and a plurality of buckling holes 24, the plurality of buckling holes 24 are distributed around the cover body 2, the sealing film 22 is fixedly connected with the rotating cover 21 and covers the first through hole 23, the rotating cover 21 is detachably connected with the test tube body 1, the test tube body 1 is positioned in the first through hole 23, the membrane rupture member 3 comprises an outer ring 31 and an inner ring 32, the outer ring 31 is provided with a plurality of buckling bulges 33, the plurality of buckling bulges 33 are distributed on the outer ring 31 and are respectively positioned in the plurality of buckling holes 24, the inner ring 32 is provided with a groove 34, and the inner ring 32 is fixedly connected with the outer ring 31, and is positioned at the inner side of the outer ring 31, and the preformed groove 34 is close to the sealing film 22.

In this embodiment, the test tube body 1 has a first groove 11, a liquid sample can be contained in the first groove 11, the cover body 2 includes a rotating cover 21 and a sealing film 22, the rotating cover 21 has a first through hole 23 and a plurality of fastening holes 24, the plurality of fastening holes 24 are distributed around the cover body 2, the sealing film 22 is fixedly connected to the rotating cover 21 and covers the first through hole 23, the sealing film 22 can be a plastic film, a metal foil, a rubber film or the like, and is used for sealing the first groove 11 to prevent the sample therein from being polluted by the external environment; the rotary cover 21 is detachably connected with the test tube body 1, and the detachable connection mode can lead the rotary cover and the test tube body to be in threaded connection, interference extrusion connection or mutual attraction of magnetic materials and the like, so that the sealing effect of the sealing film 22 can be further enhanced; the test tube body 1 is positioned in the first through hole 23, the membrane breaking member 3 comprises an outer ring 31 and an inner ring 32, the outer ring 31 is provided with a plurality of buckle protrusions 33, the buckle protrusions 33 are distributed on the outer ring 31 and are respectively positioned in the buckle holes 24 to ensure that the membrane breaking member 3 is buckled on the rotating cover 21 and cannot slip, the inner ring 32 is provided with a reserved groove 34, the inner ring 32 is fixedly connected with the outer ring 31 and is positioned on the inner side of the outer ring 31, the reserved groove 34 is close to the sealing film 22, before a test tube containing a sample is detected on a production line, the test tube moves downwards right above the membrane breaking member 3 through a specific clean punch or a puncture cover opening mechanism on a pre-processing module of the production line, the punch pushes the membrane breaking member 3 to move downwards, the inner ring 32 cuts the sealing film 22 below the membrane in the descending process, and the connection between the sealing film 22 and the rotary cap 21 is maintained at the reserve groove 34 so that the sealing film 22 does not fall into the first groove 11. The inner layer ring 32 after the membrane rupture can be designed into two states, one state is the lowest state when the inner layer ring is maintained to descend, and the inner layer ring cannot rebound to the initial position along with the ascending of a punch on a production line; one is to spring back to the initial position as the plunger moves up, so that the needle does not substantially contact the sealing film 22 when it enters the tube lumen to draw a sample. Through setting up broken membrane piece 3 is right in advance seal film 22 and get rid of, avoid seal film 22 and fall into in the first recess 11 for the sample needle can conveniently get into first recess 11 takes a sample and can not block the needle, thereby solves current exempt from to uncap the test tube and pierces the difficulty and have the problem that presss from both sides needle, unventilated condition and lead to absorbing the sample efficiency and reduce.

Furthermore, one end of the test tube body 1 away from the cover body 2 is a cone 15.

In this embodiment, the conical shape of the lower portion of the test tube can raise the height of urine to the detection height of the fully automatic urine analyzer when the amount of urine is too small, so that the detection can be performed smoothly.

Further, the test tube body 1 includes a test tube body 12 and a plurality of floor 13, and a plurality of floor 13 with test tube body 12 fixed connection to be located one side that test tube body 1 keeps away from lid 2.

In this embodiment, the rib plate 13 is used to increase the strength of the cone part, so that the bottom of the test tube body 1 is not easy to be damaged, and meanwhile, the test tube is conveniently and stably placed in cooperation with the box body of the right groove.

Further, the test tube body 1 further comprises a rubber sheet 14, the rubber sheet 14 is provided with a second through hole, and the rubber sheet 14 is fixedly connected with the test tube body 12 and covers the first groove 11.

In this embodiment, the rubber sheet 14 can still make the test tube port flexibly sealed after the sealing film 22 is pierced to prevent the liquid inside from leaking out, and the second through hole is convenient for the sampling needle to pass through.

Further, referring to fig. 5, the shape of the second through hole may be any one of a straight line shape, a C shape, a cross shape, an X shape, a star shape, and a m shape.

Further, the cover body 2 is provided with vertical stripes 25, and the vertical stripes 25 are distributed around the cover body 2.

In this embodiment, the vertical stripe 25 can increase the friction between the user and the cover 2, so that the cover 2 can be rotated to fasten the test tube body 1 more easily.

Further, the inner ring 32 has a chamfer 35, and the chamfer 35 is located on a side of the inner ring 32 close to the sealing film 22.

In the present embodiment, the chamfer 35 facilitates insertion of the inner ring 32 into the first through hole 23 without creating too much resistance.

Further, the outer ring 31 has a plurality of second grooves 36, and every two second grooves 36 are distributed on two sides of the snap projection 33.

In this embodiment, when the membrane breaking member 3 is pressed down, the snap protrusion 33 will move inward for a short distance under the support of the cover 2, and the addition of the second groove 36 can reduce the obstruction of the parts around the snap protrusion 33 to the movement of the snap protrusion 33, so that the membrane breaking member 3 is pressed down more easily.

The utility model discloses a theory of operation and use flow: referring to fig. 1 and 3, after the present invention is installed, a sample is placed in the first groove 11 through a sampling cup, and then the sealing film 22 is connected to the test tube body 12 to seal the first groove 11. In use, the film breaking piece 3 is pressed down by a manual or assembly line punch, the inner ring 32 penetrates through the sealing film 22 to open the first groove 11, and then a sampling needle can be inserted to suck a sample. Make the urine centrifuging tube applicable to full-automatic sample detection assembly line, reduce medical personnel's participation in the sample testing process, can effectively protect medical personnel's safety, improve medical personnel's work efficiency. In addition, the sampling needle can not enter the test tube smoothly due to too large resistance, and the needle blocking fault caused by the impurities in the sealing film 22 entering the sampling needle can be prevented. Simultaneously, the test tube all can realize rigid or flexible sealed before and after sample testing, effectively prevents aerosol pollution harm.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (8)

1. A test tube structure without opening a cover, which is characterized in that,

comprises a test tube body, a cover body and a membrane breaking piece, wherein the test tube body is provided with a first groove, the cover body comprises a rotary cover and a sealing membrane, the rotating cover is provided with a plurality of first through holes and a plurality of buckling holes, the buckling holes are distributed on the periphery of the cover body, the sealing film is fixedly connected with the rotating cover, and covers the first through hole, the rotary cover is detachably connected with the test tube body, the test tube body is positioned in the first through hole, the membrane breaking piece comprises an outer layer ring and an inner layer ring, the outer layer ring is provided with a plurality of buckle bulges, the buckle bulges are distributed on the outer layer ring, and are located a plurality of respectively the buckle is downthehole, the inlayer ring has the reservation groove, the inlayer ring with outer ring fixed connection to be located the outer ring is inboard, the reservation groove is close to seal the film.

2. The uncapping-free test tube structure of claim 1,

one end of the test tube body, which is far away from the cover body, is a cone.

3. The uncapping-free test tube structure of claim 2,

the test tube body includes test tube body and a plurality of floor, and is a plurality of the floor with test tube body fixed connection to be located the test tube body is kept away from one side of lid.

4. The uncapping-free test tube structure of claim 3,

the test tube body still includes the sheet rubber, the sheet rubber has the second through-hole, the sheet rubber with test tube body fixed connection, and cover first recess.

5. The uncapping-free test tube structure of claim 4,

the shape of the second through hole is any one of a straight line shape, a C shape, a cross shape, an X shape and a meter shape.

6. The uncapping-free test tube structure of claim 1,

the cover body is provided with vertical stripes, and the vertical stripes are distributed around the cover body.

7. The uncapping-free test tube structure of claim 1,

the inner layer ring is provided with a chamfer, and the chamfer is positioned on one side of the inner layer ring close to the sealing film.

8. The decapping-free test tube structure of claim 7,

the outer layer ring is provided with a plurality of second grooves, and every two second grooves are distributed on two sides of the buckle protrusion.

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