CN217368460U

CN217368460U - Ultrafiltration centrifuge tube

Info

Publication number: CN217368460U
Application number: CN202220876235.7U
Authority: CN
Inventors: 章瑨; 卢舒也
Original assignee: Hangzhou Ace Medical Technology Co ltd
Current assignee: Hangzhou Ace Medical Technology Co ltd
Priority date: 2022-04-16
Filing date: 2022-04-16
Publication date: 2022-09-06
Anticipated expiration: 2032-04-16

Abstract

The utility model relates to the field of medical equipment, specifically disclose an ultrafiltration centrifuging tube, include: an outer tube; the cover tube is covered on the outer tube, is detachably connected with the outer tube and encloses with the outer tube to form an accommodating cavity; inner tube, joint are in hold the intracavity, wherein, the inner periphery of lid pipe sets up the first chimb of round, the top periphery of inner tube sets up round second chimb, the second chimb joint is in first chimb with between the top terminal surface of outer tube. This application is in through the second chimb joint with the inner tube first chimb with between the top terminal surface of outer tube to realize the stability of inner tube in centrifugal process, make its difficult production rock, improve centrifugal effect.

Description

Ultrafiltration centrifuge tube

Technical Field

The utility model relates to the field of medical equipment, specifically disclose an ultrafiltration centrifuging tube.

Background

The ultrafiltration centrifuging tube is a medical apparatus commonly used, and its mainly used some contain the concentration and the desalination of the liquid sample of protein, and current ultrafiltration centrifuging tube often adopts split type structure, divide into inner tube, tube cap and outer tube, and inside the outer tube was placed to the inner tube, the centrifugal separation of being convenient for. But has the following disadvantages: 1. during centrifugation, the fixing effect of the inner tube is poor, and during centrifugation, the inner tube is easy to shake randomly along with certain vibration; 2. because the depth of ultrafiltration pipe is great, it is inconvenient to lead to the concentrate to take out, need open the lid and take out the filter, then use dedicated pipette to take out the concentrate, the operation is comparatively loaded down with trivial details and time is longer, leads to the concentrate can't take out immediately, can not reach the ideal and retrieve, influences the concentrate and detects the accuracy.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing an ultrafiltration centrifuging tube, aim at solving above-mentioned at least one technical problem.

In order to achieve the above object, the present invention provides an ultrafiltration centrifuge tube, comprising:

an outer tube;

the cover tube is covered on the outer tube, is detachably connected with the outer tube and encloses with the outer tube to form an accommodating cavity;

inner tube, joint are in hold the intracavity, wherein, the inner periphery of lid pipe sets up the first chimb of round, the top periphery of inner tube sets up round second chimb, the second chimb joint is in first chimb with between the top terminal surface of outer tube.

In addition, the ultrafiltration centrifugal tube of the utility model can also have the following additional technical characteristics.

According to an embodiment of the present invention, the outer tube and the cover tube are screwed together.

According to the utility model discloses an embodiment, the outer screw groove has been seted up to the top periphery of outer tube, the bottom inner periphery of lid pipe seted up with outer screw groove complex inner groove.

According to an embodiment of the present invention, the bottom of the outer tube and the top of the cap tube are the same shape.

According to an embodiment of the present invention, the top of the cover tube is conical.

According to an embodiment of the present invention, the bottom of the outer tube and the bottom of the inner tube are the same shape.

According to an embodiment of the present invention, the bottom of the inner tube is conical.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. according to the centrifugal device, the second convex edge of the inner pipe is clamped between the first convex edge and the top end face of the outer pipe, so that the stability of the inner pipe in the centrifugal process is realized, the inner pipe is not easy to shake, and the centrifugal effect is improved;

2. the cover tube is designed into the same conical shape as the outer tube, the ultrafiltration centrifuge tube is placed into a centrifuge in an inverted mode in the process of using the ultrafiltration centrifuge tube, the concentrated solution is recovered into the cover tube through a centrifugal method, collection is facilitated, the liquid is prevented from remaining on the tube wall, the recovery rate is increased, the loss of protein is reduced, the recovery method is more convenient, and the batch difference of recovery at each time is shortened.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 the structures shown in the drawings without creative efforts.

The reference numbers indicate:

fig. 1 is a cross-sectional view of an ultrafiltration centrifuge tube according to an embodiment of the present invention.

The reference numbers illustrate:

ultrafiltration centrifugal tube 100, outer tube 10, outer spiral groove 101, lid pipe 11, interior spiral groove 110, first chimb 111, inner tube 12, second chimb 120, hold chamber 13.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Some embodiments of an ultrafiltration centrifuge tube 100 of the present invention are described below with reference to fig. 1.

With continued reference to fig. 1, the ultrafiltration centrifuge tube 100 of the present embodiment includes: an outer tube 10, a cover tube 11, an inner tube 12; the cover tube 11 is covered on the outer tube 10, the cover tube 11 is detachably connected with the outer tube 10, and encloses with the outer tube 10 to form an accommodating cavity 13; the inner tube 12 is snapped into the receiving chamber 13.

With continued reference to fig. 1, the outer tube 10 and the cover tube 11 are threaded. Specifically, the outer circumference of the top end of the outer tube 10 is provided with an outer spiral groove 101, and the inner circumference of the bottom end of the cover tube 11 is provided with an inner spiral groove 110 engaged with the outer spiral groove 101. It should be noted that the outer tube 10 and the cover tube 11 can also be fixed by clamping, and the fixing manner of the outer tube 10 and the cover tube 11 is not limited in this embodiment, as long as the connection between the outer tube 10 and the cover tube 11 can be achieved, which is within the protection scope of the present application.

Further, a first flange 111 is provided around the inner periphery of the cover tube 11, and a top end of the inner tube 12 is provided around the outer periphery thereof

A circle of second convex

The edge 120 and the second convex edge 120 are clamped between the first convex edge 111 and the top end face of the outer tube 10. Specifically, when equipment ultrafiltration centrifuging tube 100, can be with the second chimb 120 butt of inner tube 12 at the top terminal surface of outer tube 10, then pass through the spiral shell groove rotation with lid pipe 11 and outer tube 10 and fix together, first chimb 111 butt just in time on second chimb 120 this moment, and then with second chimb 120 joint between the top terminal surface of first chimb 111 and outer tube 10, thereby it is fixed to realize the joint of inner tube 12, make inner tube 12 not rock in centrifugal process, improve ultrafiltration centrifuging tube 100's centrifugal effect.

Compared with the prior art, this application is in through the second chimb joint with the inner tube first chimb with between the top terminal surface of outer tube to realize the stability of inner tube in centrifugal process, make its difficult production rock, improve centrifugal effect.

With continued reference to fig. 1, the bottom of the outer tube 10 is the same shape as the top of the cap tube 11. Specifically, the top of the cap tube 11 and the bottom of the outer tube 10 in the present embodiment are conical. Can directly invert ultrafiltration centrifuging tube 100 when retrieving like this and put into centrifuge, retrieve the concentrate to lid pipe 11 through the centrifugation, can avoid like this that the concentrate remains at interior pipe wall, reduce the loss of protein.

Further, the bottom of the outer tube 10 and the bottom of the inner tube 12 are the same shape. Specifically, the bottom of the inner tube 12 and the bottom of the outer tube 10 in this embodiment are conical.

It should be noted that, in the use process of the ultrafiltration centrifugal tube 100, when a sample needs to be recovered, after the liquid in the outer tube 10 is removed, the whole ultrafiltration centrifugal tube 100 is placed into the centrifuge upside down, the switch of the centrifuge is turned on, and the concentrated solution is recovered to the cover tube 11 through the centrifugal action of the centrifuge, so that the concentrated solution can be prevented from remaining on the inner tube wall, and the loss of protein is reduced. After the centrifugation is finished, the outer tube 10 is separated from the cover tube 11, then the inner tube 12 is taken out, and finally the concentrated solution in the cover tube 11 is recovered.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. An ultrafiltration centrifuge tube, comprising:

an outer tube;

2. The ultrafiltration centrifuge tube of claim 1, wherein the outer tube and the cap tube are threaded.

3. The ultrafiltration centrifuge tube of claim 2, wherein the outer tube has an outer spiral groove formed on the outer circumference of the top end thereof, and the cap tube has an inner spiral groove formed on the inner circumference of the bottom end thereof for engaging with the outer spiral groove.

4. The ultrafiltration centrifuge tube of claim 1, wherein the bottom of the outer tube and the top of the cap tube are the same shape.

5. The ultrafiltration centrifuge tube of claim 4, wherein the top of the cap tube is conical.

6. The ultrafiltration centrifuge tube of any one of claims 1-5, wherein the bottom of the outer tube and the bottom of the inner tube are the same shape.

7. The ultrafiltration centrifuge tube of claim 6, wherein the bottom of the inner tube is conical.