Disposable anti-overflow bag for cytotoxic drug infusion

By designing a disposable spill-proof bag with removable connectors and movable sealing members, the problem of difficulty in sealing in the prior art is solved, and effective sealing of cytotoxic drug liquid is achieved, reducing the risk of contamination and occupational injury.

CN222640913UActive Publication Date: 2025-03-21NANJING FIRST HOSPITAL
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420669815.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-02
Publication Date
2025-03-21
Estimated Expiration
2034-04-02

AI Technical Summary

Technical Problem

Existing disposable anti-spill bags are difficult to block after use, causing overflow of cytotoxic drug liquids, causing contamination and occupational damage.

Method used

A disposable spill-proof bag including a predetermined shape of spill-proof bag body, a communication tube, a removable connection and a movable sealing spill-proof member is designed. The liquid outlet is sealed through the adjustment of the connector and the use of the sealing member.

Benefits of technology

It effectively prevents the cytotoxic drug liquid from flowing out of the outlet after use, reduces the risk of contamination and occupational injury, and improves the blocking ability after use.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222640913U_ABST
    Figure CN222640913U_ABST
Patent Text Reader

Abstract

The utility model discloses a disposable anti-overflow bag for cytotoxic drug infusion, which belongs to the field of disposable anti-overflow bags and comprises an anti-overflow bag body in a preset shape, and a built-in cavity for containing cytotoxic drug fluid is arranged in the anti-overflow bag body. According to the disposable anti-overflow bag for the cytotoxic medicine infusion, through the arranged connecting piece, a medical worker enables the first connecting semi-ring and the second connecting semi-ring to be in contact with the communicating pipe in an attached mode, so that the communicating pipe is surrounded by the first connecting semi-ring and the second connecting semi-ring, and the medical worker can conveniently and rapidly conduct infusion on the cytotoxic medicine. A locking screw rod sequentially penetrates through a first lug plate and a second lug plate to be used for positioning the communicating pipe, and medical staff can select the positions where a first connecting semi-ring and a second connecting semi-ring are attached to each other according to different use scenes to adjust the positions upwards or downwards in the length direction of the communicating pipe. And meanwhile, the connecting piece can clamp and position the communicating pipes with different pipe diameters, so that the universality is high.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the field of disposable anti-overflow bags, in particular to a disposable anti-overflow bag for cytotoxic drug infusion. Background Art

[0002] Disposable anti-overflow bags are made of special medical grade plastics. Currently, polyvinyl chloride and polypropylene are the most widely used materials. The traditional material is PVC. Polyvinyl chloride is a polymer formed by the polymerization of vinyl chloride monomer in the presence of initiators such as peroxides and azo compounds, or by the free radical polymerization mechanism under the action of light and heat. Vinyl chloride homopolymers and vinyl chloride copolymers are collectively referred to as vinyl chloride resins.

[0003] In the prior art, when tumor-related departments use cytotoxic drug solution for infusion, they need to remove the disposable anti-overflow bag after the infusion. Due to the gap in the disposable anti-overflow bag, the cytotoxic drug solution is easily overflowed, which can easily cause pollution and occupational injuries. It is difficult to seal the disposable overflow bag after use, and improvements are urgently needed.

[0004] The present invention seeks to alleviate or at least mitigate such problems or deficiencies by providing a new or otherwise improved disposable spill-proof bag. Utility Model Content

[0005] In view of one or more of the above defects or improvement needs of the prior art, the utility model provides a disposable anti-overflow bag for cytotoxic drug infusion, which has the advantage of being easy to seal the disposable overflow bag after use.

[0006] To achieve the above-mentioned purpose, the utility model provides a disposable anti-overflow bag for cytotoxic drug infusion, which includes an anti-overflow bag body of a predetermined shape, which has a built-in cavity for containing cytotoxic drug fluid;

[0007] A connecting pipe, which is integrally formed and arranged on the anti-overflow bag body, is communicated with the built-in cavity of the anti-overflow bag body, and has a liquid outlet for the cytotoxic drug to flow out;

[0008] a connecting piece, which is detachably arranged on the connecting pipe and can be moved along the length direction of the connecting pipe to change its position on the connecting pipe; and

[0009] The blocking and anti-overflow component is movably arranged on the connecting piece, and one end of the blocking and anti-overflow component penetrates into the liquid outlet of the connecting piece, and is used for blocking the liquid outlet of the connecting piece.

[0010] As a further improvement of the utility model, a pressing convex plate is integrally formed on the anti-overflow bag body, and the pressing convex plate extends along the corners of the anti-overflow bag body. The size of the pressing convex plate is adapted to the size of the anti-overflow bag body.

[0011] As a further improvement of the present invention, a hanging ring is detachably provided on the top of the anti-overflow bag body, and the size of the hanging ring is adapted to the size of the anti-overflow bag body.

[0012] As a further improvement of the utility model, the connecting piece comprises

[0013] A first connecting semi-ring has a first semi-arc cavity therein, and a first ear plate is integrally formed at both ends of the first connecting semi-ring;

[0014] A second connecting semi-ring having a second semi-arc cavity therein, and a second ear plate integrally formed at both ends thereof; and

[0015] A locking screw rod, which passes through the first ear plate and the second ear plate in sequence, and a locking nut is rotatably arranged on the locking screw rod;

[0016] When the first connecting half ring and the second connecting half ring are in contact with the connecting pipe respectively, the locking screw passes through the first ear plate and the second ear plate in sequence to position the connecting pipe.

[0017] As a further improvement of the present invention, a first rubber pad is detachably arranged in the first semi-arc cavity of the first connecting semi-ring, and the size of the first rubber pad is adapted to the size of the first semi-arc cavity.

[0018] As a further improvement of the present invention, a second rubber pad is detachably arranged in the second semi-arc cavity of the second connecting semi-ring, and the size of the second rubber pad is adapted to the size of the second semi-arc cavity.

[0019] As a further improvement of the present invention, the blocking and anti-overflow component comprises

[0020] A collar, which is movably sleeved in the locking screw, and on which an elastic band is integrally formed;

[0021] a connecting protrusion detachably disposed on an end of the elastic band away from the ring; and

[0022] The sealing tip is hot-melted and compounded on the connecting protrusion, and the size of the sealing tip is matched with the size of the connecting protrusion.

[0023] As a further improvement of the utility model, the diameter of the plugging tip is matched with the size of the liquid outlet of the connecting pipe, and the shape of the plugging tip is conical.

[0024] In general, compared with the prior art, the above technical solutions conceived by the utility model have the following beneficial effects:

[0025] The utility model discloses a disposable anti-overflow bag for cytotoxic drug infusion. Through the arranged connecting pieces, medical staff make the first connecting half ring and the second connecting half ring contact with the connecting tube respectively, so that the first connecting half ring and the second connecting half ring surround the connecting tube. When the locking screw is passed through the first ear plate and the second ear plate in sequence to position the connecting tube, the medical staff can choose to adjust the position where the first connecting half ring and the second connecting half ring contact with each other upward or downward along the length direction of the connecting tube according to different usage scenarios. At the same time, the connecting piece can clamp and position connecting tubes of different diameters. The utility model has high versatility. Through the arranged blocking anti-overflow component, after the cytotoxic drug fluid in the anti-overflow bag body is used up, the blocking tip is inserted into the liquid outlet of the connecting tube to complete the blocking of the liquid outlet to prevent the cytotoxic drug fluid from flowing out of the liquid outlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the overall structure of a disposable anti-overflow bag for cytotoxic drug infusion according to the utility model;

[0027] Figure 2 This is a schematic structural diagram of the disposable anti-overflow bag for cytotoxic drug infusion of the utility model from another angle;

[0028] Figure 3 For this utility model Figure 2 A magnified image of point A;

[0029] Figure 4 It is a structural schematic diagram of the utility model when the connecting piece is combined with the blocking and anti-overflow component;

[0030] Figure 5 It is a schematic diagram of the overall structure of the connector of the utility model;

[0031] Figure 6 It is a schematic diagram of the overall structure of the plugging and anti-overflow component of the utility model.

[0032] In all the drawings, the same figure marks represent the same technical features, specifically: 1. Anti-overflow bag body; 11. Pressing convex plate; 12. Connecting pipe; 13. Hanging ring; 2. Connecting piece; 21. First connecting half ring; 22. First ear plate; 23. First rubber pad; 24. Second connecting half ring; 25. Second ear plate; 26. Second rubber pad; 27. Locking screw; 28. Locking nut; 3. Sealing anti-overflow component; 31. Ring; 32. Elastic band; 33. Connecting protrusion; 34. Sealing pin. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] The terms used herein are only for describing specific embodiments and are not intended to limit the present invention. The terms "include", "comprises", etc. used herein indicate the existence of the features, steps, operations and / or components, but do not exclude the existence or addition of one or more other features, steps, operations or components.

[0035] All terms (including technical and scientific terms) used herein have the meanings commonly understood by those skilled in the art, unless otherwise defined. It should be noted that the terms used herein should be interpreted as having a meaning consistent with the context of this specification, and should not be interpreted in an idealized or overly rigid manner.

[0036] In the embodiment, Figure 1-6 Provided is a disposable anti-spill bag for cytotoxic drug infusion, wherein: Figure 1 This is a schematic diagram of the overall structure of a disposable anti-overflow bag for cytotoxic drug infusion according to the utility model; Figure 2 This is a schematic structural diagram of the disposable anti-overflow bag for cytotoxic drug infusion of the utility model from another angle; Figure 3 For this utility model Figure 2 A magnified image of point A; Figure 4 It is a structural schematic diagram of the utility model when the connecting piece is combined with the blocking and anti-overflow component; Figure 5 It is a schematic diagram of the overall structure of the connector of the utility model; Figure 6It is a schematic diagram of the overall structure of the anti-overflow blocking component of the utility model, which includes an anti-overflow bag body 1 of a predetermined shape, which has a built-in cavity for containing cytotoxic drug fluid; a connecting pipe 12, which is integrally formed and arranged on the anti-overflow bag body 1, and is connected to the built-in cavity of the anti-overflow bag body 1, and has a liquid outlet for the cytotoxic drug to flow out; a connecting piece 2, which is detachably arranged on the connecting pipe 12 and can be moved along the length direction of the connecting pipe 12 to change its position on the connecting pipe 12; and a anti-overflow blocking component 3, which is movably arranged on the connecting piece 2, and one end of which is inserted into the liquid outlet of the connecting piece 2, and is used to block the liquid outlet of the connecting piece 2.

[0037] The utility model is based on an overall idea that, through the arranged connecting piece 2, the medical staff makes the first connecting half ring 21 and the second connecting half ring 24 contact with the connecting tube 12 respectively, so that the first connecting half ring 21 and the second connecting half ring 24 enclose the connecting tube 12, and the locking screw 27 is passed through the first ear plate 22 and the second ear plate 25 in sequence to position the connecting tube 12. The medical staff can choose to adjust the position where the first connecting half ring 21 and the second connecting half ring 24 contact each other upward or downward along the length direction of the connecting tube 12 according to different usage scenarios. At the same time, the connecting piece 2 can clamp and position the connecting tubes 12 of different diameters, and has high versatility. Through the arranged blocking and overflow prevention component 3, after the cytotoxic drug fluid in the overflow prevention bag body 1 is used up, the blocking tip 34 is inserted into the liquid outlet of the connecting tube 12 to complete the blocking of the liquid outlet to prevent the cytotoxic drug fluid from flowing out of the liquid outlet.

[0038] In a more specific embodiment, the anti-overflow bag body 1 is in a rectangular parallelepiped shape. In other embodiments, the anti-overflow bag body 1 may be in a cylindrical shape or other shapes.

[0039] In some embodiments, in order to facilitate medical staff to hold the anti-overflow bag body 1 as a whole, a pressing protrusion 11 is integrally formed on the anti-overflow bag body 1, and the pressing protrusion 11 extends along the corners of the anti-overflow bag body 1. The size of the pressing protrusion 11 is adapted to the size of the anti-overflow bag body 1.

[0040] In some embodiments, in order to further facilitate the hanging of the anti-overflow bag body 1 as a whole, a hanging ring 13 is detachably provided on the top of the anti-overflow bag body 1, and the size of the hanging ring 13 is adapted to the size of the anti-overflow bag body 1.

[0041] Next, the connector 2 is given a more specific structure and construction as a whole for further explanation. The connector 2 includes a first connecting half ring 21, which has a first semi-arc cavity inside, and a first ear plate 22 is integrally formed at both ends of the first connecting half ring 21; a second connecting half ring 24, which has a second semi-arc cavity inside, and a second ear plate 25 is integrally formed at both ends of the second connecting half ring 24; and a locking screw 27, which passes through the first ear plate 22 and the second ear plate 25 in turn, and a locking nut 28 is rotatably arranged on the first ear plate 22 and the second ear plate 25.

[0042] Next, the overall usage principle of the connector 2 is further explained. The medical staff puts the first connecting half ring 21 and the second connecting half ring 24 in contact with the connecting tube 12 respectively to enclose and contact the connecting tube 12. The medical staff passes the locking screw 27 through the first ear plate 22 and the second ear plate 25 in sequence to position the connecting tube 12. The medical staff can choose to adjust the contact position of the first connecting half ring 21 and the second connecting half ring 24 upward or downward along the length direction of the connecting tube 12 according to different usage scenarios.

[0043] In some embodiments, in order to improve the stability of the first connecting half ring 21 when it is fitted to the connecting pipe 12, a first rubber pad 23 is detachably arranged in the first semi-arc cavity of the first connecting half ring 21, and the size of the first rubber pad 23 is adapted to the size of the first semi-arc cavity.

[0044] In some embodiments, in order to improve the stability of the second connecting half ring 24 when it is fitted to the connecting pipe 12, a second rubber pad 26 is detachably arranged in the second semi-arc cavity of the second connecting half ring 24, and the size of the second rubber pad 26 is adapted to the size of the second semi-arc cavity.

[0045] Next, the overall structure and construction of the anti-overflow blocking member 3 are further explained. The anti-overflow blocking member 3 includes a collar 31, which is movably sleeved in the locking screw 27, and on which an elastic band 32 is formed integrally; a connecting protrusion 33, which is detachably arranged at one end of the elastic band 32 away from the collar 31; and a blocking tip 34, which is hot-melt-bonded to the connecting protrusion 33 and is adapted to the size of the connecting protrusion 33;

[0046] During specific use, after the cytotoxic drug solution in the anti-overflow bag body 1 is used up, the medical staff inserts the blocking tip 34 into the liquid outlet of the connecting tube 12 to block the connecting tube 12 .

[0047] In some embodiments, in order to facilitate the sealing tip 34 to seal the connecting tubes 12 of different diameters, the diameter of the sealing tip 34 is adapted to the size of the liquid outlet of the connecting tube 12, and the shape of the sealing tip 34 is conical.

[0048] In summary, through the arranged connecting piece 2, the medical staff makes the first connecting half ring 21 and the second connecting half ring 24 contact with the connecting tube 12 respectively, so that the first connecting half ring 21 and the second connecting half ring 24 enclose the connecting tube 12, and the locking screw 27 is passed through the first ear plate 22 and the second ear plate 25 in turn to position the connecting tube 12. The medical staff can choose to adjust the position where the first connecting half ring 21 and the second connecting half ring 24 contact each other upward or downward along the length direction of the connecting tube 12 according to different usage scenarios. At the same time, the connecting piece 2 can clamp and position the connecting tubes 12 of different diameters, and has high versatility. Through the arranged sealing and overflow prevention component 3, after the cytotoxic drug fluid in the overflow prevention bag body 1 is used up, the sealing tip 34 is inserted into the liquid outlet of the connecting tube 12 to complete the sealing of the liquid outlet to prevent the cytotoxic drug fluid from flowing out of the liquid outlet.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A disposable anti-overflow bag for cytotoxic drug infusion, characterized in that: It includes An anti-overflow bag body (1) of a predetermined shape, having a built-in cavity for containing a cytotoxic drug fluid; A connecting pipe (12) which is integrally formed and arranged on the anti-overflow bag body (1), is communicated with the built-in cavity of the anti-overflow bag body (1), and has a liquid outlet for the cytotoxic drug to flow out; A connecting piece (2) which is detachably arranged on the connecting pipe (12) and can be moved along the length direction of the connecting pipe (12) to change its position on the connecting pipe (12); and A blocking and anti-overflow component (3) is movably arranged on the connecting piece (2), and one end of which penetrates into a liquid outlet of the connecting piece (2), and is used to block the liquid outlet of the connecting piece (2).

2. The disposable anti-overflow bag for cytotoxic drug infusion according to claim 1, characterized in that: A pressing convex plate (11) is integrally formed on the anti-overflow bag body (1), and the pressing convex plate (11) extends along the corner of the anti-overflow bag body (1). The size of the pressing convex plate (11) is adapted to the size of the anti-overflow bag body (1).

3. The disposable anti-overflow bag for cytotoxic drug infusion according to claim 2, characterized in that: A hanging ring (13) is detachably provided on the top of the anti-overflow bag body (1), and the size of the hanging ring (13) is adapted to the size of the anti-overflow bag body (1).

4. The disposable anti-overflow bag for cytotoxic drug infusion according to claim 3, characterized in that: The connecting piece (2) comprises A first connecting semi-ring (21) having a first semi-arc cavity therein, and a first ear plate (22) is integrally formed at both ends of the first connecting semi-ring; A second connecting semi-ring (24) having a second semi-arc cavity therein, and having a second ear plate (25) integrally formed at both ends thereof; and A locking screw (27) which passes through the first ear plate (22) and the second ear plate (25) in sequence, and on which a locking nut (28) is rotatably arranged; When the first connecting half ring (21) and the second connecting half ring (24) are in contact with the connecting tube (12) respectively, the locking screw (27) passes through the first ear plate (22) and the second ear plate (25) in sequence, so as to position the connecting tube (12).

5. The disposable anti-overflow bag for cytotoxic drug infusion according to claim 4, characterized in that: A first rubber pad (23) is detachably arranged in the first semi-arc cavity of the first connecting semi-ring (21), and the size of the first rubber pad (23) is adapted to the size of the first semi-arc cavity.

6. The disposable anti-overflow bag for cytotoxic drug infusion according to claim 5, characterized in that: A second rubber pad (26) is detachably arranged in the second semi-arc cavity of the second connecting semi-ring (24), and the size of the second rubber pad (26) is adapted to the size of the second semi-arc cavity.

7. The disposable anti-overflow bag for cytotoxic drug infusion according to claim 6, characterized in that: The blocking and anti-overflow component (3) comprises A sleeve (31) which is movably sleeved in the locking screw (27) and on which an elastic band (32) is integrally formed; a connecting protrusion (33) which is detachably arranged on an end of the elastic band (32) away from the ring (31); and The sealing tip (34) is heat-fused and composited on the connecting protrusion (33), and its size is adapted to that of the connecting protrusion (33).

8. The disposable anti-overflow bag for cytotoxic drug infusion according to claim 7, characterized in that: The diameter of the plugging tip (34) is matched to the size of the liquid outlet of the connecting pipe (12), and the shape of the plugging tip (34) is conical.