Conversion cover for cell centrifugal bottle

Abstract

The utility model discloses a switching cover for a cell centrifugal bottle, which comprises a cover body (1), the cover body (1) consists of a top wall (2) and a side wall (3), the inner side surface of the side wall (3) is provided with an internal thread part (4) matched with an external thread of a bottle mouth of the cell centrifugal bottle, and the top wall (2) is provided with a round through groove (5); a rubber sheet (6) is arranged in the cover body (1), the upper end of the rubber sheet (6) is matched with the circular through groove (5), and the lower end of the rubber sheet (6) is matched with a bottle opening of the cell centrifugal bottle. The device can be screwed on a centrifugal bottle and is matched with an infusion tube for use, so that the centrifugal bottle is kept in a sealed state, pancreas islet solution is prevented from being polluted, the quality of pancreas islet cells is ensured, and the device is convenient and sanitary.

Description

Technical Field

[0001] The utility model relates to the field of centrifuge bottle components, in particular to a conversion cover for a cell centrifuge bottle. Background Art

[0002] In islet transplantation, islet cell separation is a very important step. The islet cell solution is placed in a centrifuge bottle and the cells are separated by an islet separator. After the cell separation is completed, the medical staff will unscrew the cap of the centrifuge bottle, extract the solution in the bottle with a syringe, and then inject it into the infusion pump, which will then enter the patient's body. During this process, the solution in the bottle may need to be repeatedly extracted. During this period, the bottle mouth is in an open state and will be in contact with the air for a certain period of time, which may contaminate the islet cell solution, causing the islet cells to deteriorate and reduce the quality of the islet cells. Utility Model Content

[0003] The purpose of the utility model is to provide a conversion cover for a cell centrifuge bottle. The utility model can be screwed on the centrifuge bottle and used in conjunction with an infusion tube to keep the centrifuge bottle in a sealed state, thereby preventing the islet solution from being contaminated, ensuring the quality of the islet cells, and being convenient and hygienic.

[0004] The technical solution of the utility model is as follows: a conversion cover for a cell centrifuge bottle, comprising a cover body, the cover body being composed of a top wall and a side wall, the inner side surface of the side wall being provided with an internal thread portion matching with the external thread of the mouth of the cell centrifuge bottle, and the top wall being provided with a round through groove; a rubber sheet being provided in the cover body, the upper end of the rubber sheet being fitted with the round through groove, and the lower end of the rubber sheet being fitted with the mouth of the cell centrifuge bottle.

[0005] In the above-mentioned conversion cover for a cell centrifuge bottle, a vertical anti-slip strip is provided on the outer side of the cover body.

[0006] In the aforementioned conversion cap for a cell centrifuge bottle, an outer ring portion is provided at the end of the side wall, a groove for embedding a hanging rope is provided inside the outer ring portion, and the notch of the groove is opened toward the top wall; an opening for the hanging rope to pass through is provided on the outer side wall.

[0007] In the aforementioned conversion cap for a cell centrifuge bottle, a membrane groove is provided on the outer side surface of the top wall, and a protective film is adhered in the membrane groove.

[0008] In the aforementioned conversion cover for cell centrifuge bottles, the rubber sheet comprises a main body arranged in the cover body, the upper end of the main body is provided with a top protrusion that fits with the round groove, and the lower end of the main body is provided with a circular ring that fits with the bottle mouth of the cell centrifuge bottle.

[0009] In the aforementioned conversion cap for a cell centrifuge bottle, a conical groove for puncture is provided on the outer side of the top protrusion.

[0010] In the aforementioned conversion cap for a cell centrifuge bottle, the outer ring portion and the cap body are an integrally formed structure.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. In the utility model, after the centrifuge bottle completes cell separation on the islet centrifuge, the original bottle cap on the centrifuge bottle is unscrewed, and the cover body is screwed on. The rubber sheet inside the cover body is close to the bottle mouth of the centrifuge bottle, and the upper end of the rubber sheet is in the round groove. The infusion needle is inserted into the rubber sheet, and the centrifuge bottle is inverted to achieve infusion to the patient; through the structure of this conversion cover, the centrifuge bottle is kept in a sealed state, the islet solution is prevented from being contaminated, the quality of the islet cells is guaranteed, and it is convenient and hygienic.

[0013] 2. A groove is provided on the outer ring portion on the outer side of the cover body, and the hanging rope can be stuck in the groove. After the centrifuge bottle is inverted, the centrifuge bottle is hung on the hook through the hanging rope, which is convenient for placing the centrifuge bottle and keeping the infusion stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 is a schematic diagram of the protective film;

[0016] Figure 3 is a schematic diagram of a conical slot;

[0017] Figure 4 It is a schematic diagram of a rubber sheet;

[0018] Figure 5 is a schematic diagram of the internal threaded portion;

[0019] Figure 6 This is a state diagram used in the present utility model.

[0020] Explanation of the marks in the accompanying drawings: 1-cover body, 2-top wall, 3-side wall, 4-inner threaded portion, 5-circular groove, 6-rubber sheet, 7-anti-slip strip, 8-outer ring portion, 9-groove, 10-opening, 11-membrane groove, 12-protective film, 61-main body, 62-top convex portion, 63-circular ring, 64-conical groove. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, but they are not intended to limit the present invention.

[0022] Embodiment: A conversion cap for a cell centrifuge bottle, comprising a cap body 1, as shown in the attached Figure 1 As shown, the cover body 1 is composed of a top wall 2 and a side wall 3. The inner side of the side wall 3 has an internal thread portion 4 that matches the external thread of the mouth of the cell centrifuge bottle. Figure 5As shown, the cover is connected to the centrifuge bottle through the threaded structure, replacing the original bottle cap on the centrifuge bottle, and a round groove 5 is opened on the top wall 2; a rubber sheet 6 is arranged inside the cover 1, and the upper end of the rubber sheet 6 fits with the round groove 5, and the infusion needle can pass through the rubber sheet to achieve the output of the solution; the lower end of the rubber sheet 6 fits with the bottle mouth of the cell centrifuge bottle to achieve the sealing of the bottle mouth of the centrifuge bottle. The outer side of the cover 1 has a vertical anti-slip strip 7 to improve the friction of the grip when the cover is rotated.

[0023] The end of the side wall 3 has an outer ring portion 8, and the outer ring portion 8 has a groove 9 for embedding a hanging rope, and the notch of the groove 9 is opened toward the top wall; the outer wall of the outer ring portion 8 has an opening 10 for the hanging rope to pass through, and the hanging rope is embedded in the groove, and the end of the rope body is led out from the opening, and one end of the rope body is hung on the hook. The outer ring portion 8 and the cover body 1 are an integrally formed structure to ensure the integrity of the entire component and improve the overall rigidity of the component. The centrifuge bottle is inverted and hung by the hanging rope. The infusion needle passes through the rubber sheet to achieve infusion, as shown in the attached Figure 6 shown.

[0024] The rubber sheet 6 comprises a main body 61 arranged in the cover body 1, as shown in the attached Figure 4 As shown, the upper end of the main body 61 is provided with a top protrusion 62 that fits with the round groove 5, and the lower end of the main body 61 has a ring 63 that fits with the bottle mouth of the cell centrifuge bottle. The top protrusion can pass through the infusion tube needle, and the outer side of the top protrusion 62 has a conical groove 64 that is convenient for puncture. Figure 3 As shown, through the conical groove, the needle can easily pass through the rubber sheet, and the ring is embedded in the centrifuge bottle to improve the sealing of the centrifuge bottle. The outer surface of the top wall 2 has a membrane groove 11, and a protective film 12 is pasted in the membrane groove 11. The protective film is removed before use. The protective film is used to ensure the hygiene of the rubber sheet. Figure 2 shown.

[0025] The working principle of the utility model is as follows: after the centrifuge bottle completes cell separation on the islet centrifuge, the original bottle cap on the centrifuge bottle is unscrewed, and the cover body is screwed on, the rubber sheet inside the cover body is tightly attached to the bottle mouth of the centrifuge bottle, the upper end of the rubber sheet is in the round groove, the infusion needle is inserted into the rubber sheet, and the centrifuge bottle is inverted to achieve infusion to the patient; through the structure of the conversion cover, the centrifuge bottle is kept in a sealed state, the islet solution is prevented from being contaminated, the quality of the islet cells is guaranteed, and it is convenient and hygienic.

Claims

1. A conversion cap for a cell centrifuge bottle, characterized in that: The invention comprises a cover body (1), wherein the cover body (1) is composed of a top wall (2) and a side wall (3), wherein the inner side surface of the side wall (3) is provided with an internal thread portion (4) which matches with the external thread of the mouth of a cell centrifuge bottle, and the top wall (2) is provided with a round groove (5); a rubber sheet (6) is provided inside the cover body (1), wherein the upper end of the rubber sheet (6) matches with the round groove (5), and the lower end of the rubber sheet (6) matches with the mouth of the cell centrifuge bottle.

2. The conversion cap for a cell centrifuge bottle according to claim 1, characterized in that: A film groove (11) is provided on the outer side surface of the top wall (2), and a protective film (12) is adhered in the film groove (11).

3. The conversion cap for a cell centrifuge bottle according to claim 1, characterized in that: An outer ring portion (8) is provided at the end of the side wall (3), a groove (9) for embedding a hanging rope is provided in the outer ring portion (8), and the notch of the groove (9) is opened toward the top wall; an opening (10) for the hanging rope to pass through is provided on the outer side wall of the outer ring portion (8).

4. The conversion cap for a cell centrifuge bottle according to claim 3, characterized in that: The outer ring portion (8) and the cover body (1) are an integrally formed structure.

5. The conversion cap for a cell centrifuge bottle according to claim 1, characterized in that: The rubber sheet (6) comprises a main body (61) arranged in the cover body (1), the upper end of the main body (61) is provided with a top protrusion (62) which fits with the round groove (5), and the lower end of the main body (61) is provided with a circular ring (63) which fits with the bottle mouth of the cell centrifuge bottle.

6. The conversion cap for a cell centrifuge bottle according to claim 5, characterized in that: The outer side of the top protrusion (62) is provided with a conical groove (64) for puncture convenience.

7. The conversion cap for a cell centrifuge bottle according to claim 1, characterized in that: A vertical anti-slip strip (7) is provided on the outer side of the cover body (1).

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