Portable peritoneal dialysis liquid sample reserving device

By introducing a reset structure and a trigger structure into the perioperative fluid retention device, the protective sleeve is automatically moved to the top of the culture bottle to cover the sealing cap, which solves the problem of the sealing cap falling off and improves the portability and diagnostic efficiency of perioperative fluid retention.

CN223196089UActive Publication Date: 2025-08-08NANJING GENERAL HOSPITAL NANJING MILLITARY COMMAND P L A
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Patent Information

Application Number
CN202422285939.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-19
Publication Date
2025-08-08
Estimated Expiration
2034-09-19

AI Technical Summary

Technical Problem

The sealing cover of the peritoneal dialysate sample retention device is prone to fall off during carrying, resulting in the spill of peritoneal fluid, increasing the patient's pain and delaying diagnosis time.

Method used

A portable peritoneal fluid sample retention device is designed, including a culture bottle, a sealing cap and a protective sleeve. Through the cooperation of the reset structure and the trigger structure, the protective sleeve automatically moves to the top of the culture bottle without external force, and covers the sealing cap when the sealing cap is closed to prevent falling off.

Benefits of technology

It effectively prevents the sealing cover from falling off during carrying, improving the portability and diagnostic efficiency of peritoneal fluid retention.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a portable peritoneal dialysis liquid sample reserving device which comprises a culture bottle and a sealing cover detachably connected with the culture bottle, the outer wall of the culture bottle is movably sleeved with a protective sleeve, a reset structure is arranged between the culture bottle and the protective sleeve, and the reset structure enables the protective sleeve to have the trend of moving towards the top of the culture bottle all the time. A trigger structure is further arranged among the culture bottle, the sealing cover and the protective sleeve, the trigger structure can limit the protective sleeve and prevent the protective sleeve from moving towards the top of the culture bottle, and in the process that the sealing cover and the culture bottle are closed, the trigger structure acts, so that the limiting effect on the protective sleeve is relieved, and the protective sleeve is prevented from moving towards the top of the culture bottle. According to the portable culture bottle, by means of mutual matching of all the structures, when the sealing cover and the culture bottle are covered, the sealing cover can be covered with the protection sleeve, so that the probability that the sealing cover falls off from the culture bottle due to external force is reduced, and the portable culture bottle is more convenient to carry.
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Description

Technical Field

[0001] The utility model relates to a portable peritoneal dialysis fluid sample retaining device. Background Art

[0002] In recent years, with the development of peritoneal dialysis, an increasing number of patients with end-stage renal disease are undergoing peritoneal dialysis for kidney disease treatment. During peritoneal dialysis, abnormal changes in the drained peritoneal dialysis fluid may occur due to various external factors or internal complications, necessitating the collection of peritoneal dialysis fluid samples for testing. The test results of these samples are an important diagnostic indicator for determining whether a patient has developed peritonitis.

[0003] The operating procedures of the peritoneal dialysis fluid sampling device mainly include using a syringe to extract peritoneal dialysis fluid and injecting it into a culture bottle, followed by disinfection and timely inspection.

[0004] To collect peritoneal dialysis fluid samples from outpatient emergency patients, patients or their families must bring culture bottles to the hospital for delivery to a testing center. Culture bottles are typically sealed with a cap, which can become dislodged during transport, causing accidental spillage of the peritoneal dialysis fluid sample and requiring additional sampling. This not only increases patient pain but also delays diagnosis. Utility Model Content

[0005] The purpose of the present invention is to provide a portable peritoneal dialysis fluid sample retention device to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A portable peritoneal dialysis fluid sample retention device comprises a culture bottle and a sealing cap detachably connected to the culture bottle, wherein the outer wall of the culture bottle is provided with a protective sleeve, and a reset structure is provided between the culture bottle and the protective sleeve, wherein the reset structure ensures that the protective sleeve always has a tendency to move toward the top of the culture bottle in the absence of external force;

[0008] A trigger structure is further provided between the culture bottle, the sealing cover and the protective sleeve, and the trigger structure can limit the protective sleeve and prevent the protective sleeve from moving toward the top of the culture bottle;

[0009] During the process of closing the sealing cover with the culture bottle, the trigger structure will be actuated to release the limiting effect on the protective sleeve, so that the protective sleeve moves toward the top of the culture bottle and covers the sealing cover inside.

[0010] As a further solution of the utility model:

[0011] The reset structure includes a No. 1 circular ring arranged on the outer wall of the culture bottle and a No. 2 circular ring arranged on the inner wall of the protective sleeve;

[0012] The outer wall of the culture bottle is provided with a spring, and the two ends of the spring respectively abut against the top surface of the No. 1 circular ring and the top surface of the No. 2 circular ring, and the spring maintains a compressed state.

[0013] As a further solution of the utility model:

[0014] The outer wall of the No. 1 circular ring is provided with a limiting column, and the inner wall of the protective sleeve is provided with a limiting groove along its length direction. The limiting columns are located inside the limiting groove and slide in conjunction with each other.

[0015] As a further solution of the utility model:

[0016] The sealing cover is connected to the culture bottle via a connector, the connector is made of rubber material, and a No. 1 avoidance groove adapted to the connector is provided on the protective sleeve.

[0017] As a further solution of the utility model:

[0018] The trigger structure includes a push rod vertically arranged on the sealing cover and a cross bar horizontally arranged on the outer wall of the culture bottle. The push rod is provided with a second avoidance groove adapted to the cross bar.

[0019] As a further solution of the utility model:

[0020] The outer wall of the crossbar is respectively provided with a wedge block and a rectangular block for horizontal sliding, the wedge block is connected to the rectangular block, and the wedge block is close to the culture bottle, and the top of the protective sleeve is against the bottom of the rectangular block;

[0021] The bottom end of the push rod is arranged as an inclined surface, and the inclined surface of the wedge block cooperates with the inclined surface of the bottom end of the push rod.

[0022] As a further solution of the utility model:

[0023] A baffle is provided at the end of the crossbar, and a slot is provided on the protective sleeve, and the slot corresponds to the position of the crossbar;

[0024] The opening diameter of the slot is smaller than the size of the rectangular block, and the opening shape of the slot is adapted to the wedge-shaped block.

[0025] Compared with the prior art, the present invention has the following advantages: the reset structure ensures that the protective sleeve always has a tendency to move toward the top of the culture bottle in the absence of external forces, while the trigger structure can limit the position of the protective sleeve. During the process of closing the sealing cover and the culture bottle, the trigger structure will be activated, thereby releasing the limiting effect on the protective sleeve, allowing the protective sleeve to move toward the top of the culture bottle and cover the sealing cover inside. In this application, the mutual cooperation between the various structures ensures that when the sealing cover and the culture bottle are closed, the protective sleeve can cover the sealing cover, thereby reducing the probability of the sealing cover falling off the culture bottle due to external forces, and making it more convenient to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic diagram of the overall structure.

[0027] Figure 2 It is a cross-sectional view of the protective casing structure.

[0028] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0029] Figure 4 This is a schematic diagram of the overall structure from another perspective.

[0030] Figure 5 for Figure 4 Enlarged view of point B in the middle.

[0031] Figure 6 This is another perspective diagram of the overall structure.

[0032] Figure 7 for Figure 6 Enlarged view of point C in the middle.

[0033] Figure 8 An exploded view of part of the structure.

[0034] In the figure: 1. culture bottle; 2. sealing cap; 3. protective sleeve; 301. limiting groove; 4. No. 1 ring; 401. limiting column; 5. No. 2 ring; 6. spring; 7. connecting piece; 8. No. 1 avoidance groove; 9. push rod; 901. No. 2 avoidance groove; 10. cross bar; 11. wedge block; 12. rectangular block; 13. slot; 14. baffle. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] In addition, when an element in the present invention is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only embodiment.

[0037] See also Figures 1 to 8 In an embodiment of the present invention, a portable peritoneal dialysis fluid sample retention device comprises a culture bottle 1 and a sealing cover 2 detachably connected to the culture bottle 1. A protective sleeve 3 is movably provided on the outer wall of the culture bottle 1. A reset structure is provided between the culture bottle 1 and the protective sleeve 3. The reset structure enables the protective sleeve 3 to always have a tendency to move toward the top of the culture bottle 1 in the absence of external force.

[0038] A trigger structure is further provided between the culture bottle 1, the sealing cover 2 and the protective sleeve 3, and the trigger structure can limit the protective sleeve 3 and prevent the protective sleeve 3 from moving toward the top of the culture bottle 1;

[0039] During the process of the sealing cover 2 covering the culture bottle 1, the trigger structure will be actuated, thereby releasing the limiting effect on the protective sleeve 3, so that the protective sleeve 3 moves toward the top of the culture bottle 1 and covers the sealing cover 2 inside.

[0040] In this solution, the reset structure is set up so that the protective sleeve 3 always has a tendency to move toward the top of the culture bottle 1 in the absence of external force, and the trigger structure can limit the protective sleeve 3. During the process of the sealing cover 2 and the culture bottle 1 being covered, the trigger structure will be actuated, thereby releasing the limiting effect on the protective sleeve 3, allowing the protective sleeve 3 to move toward the top of the culture bottle 1 and cover the sealing cover 2 inside it.

[0041] In the present application, the mutual cooperation between the various structures is utilized so that when the sealing cover 2 is covered with the culture bottle 1, the protective sleeve 3 can cover the sealing cover 2, thereby reducing the probability of the sealing cover 2 falling off from the culture bottle 1 due to external force, making it more convenient to carry.

[0042] As a further solution of the present invention, the reset structure includes a No. 1 circular ring 4 provided on the outer wall of the culture bottle 1 and a No. 2 circular ring 5 provided on the inner wall of the protective sleeve 3;

[0043] The outer wall of the culture bottle 1 is provided with a spring 6 , and both ends of the spring 6 are respectively against the top surface of the No. 1 ring 4 and the top surface of the No. 2 ring 5 , and the spring 6 is kept in a compressed state.

[0044] In this embodiment, due to the presence of the spring 6 and the maintained compressed state, in the absence of external force, the spring 6 will drive the protective sleeve 3 through the second ring 5 to always have a tendency to move toward the top of the culture bottle 1.

[0045] As a further solution of the present invention, a limiting column 401 is provided on the outer wall of the No. 1 ring 4, and a limiting groove 301 is provided on the inner wall of the protective sleeve 3 along its length direction. The limiting column 401 is located inside the limiting groove 301 and slides with each other.

[0046] In this embodiment, since the limiting posts 401 are located inside the limiting grooves 301 and slide in cooperation with each other, the protective sleeve 3 can only slide vertically on the outer wall of the culture bottle 1 but cannot rotate.

[0047] As a further solution of the present invention, the sealing cover 2 is connected to the culture bottle 1 through a connector 7, and the connector 7 is made of rubber. The protective sleeve 3 is provided with a No. 1 avoidance groove 8 adapted to the connector 7.

[0048] In this embodiment, since the sealing cover 2 is connected to the culture bottle 1 through the provided connector 7, the loss of the sealing cover 2 is avoided; the No. 1 avoidance groove 8 opened on the protective sleeve 3 is used to avoid interference with the connector 7 during the movement of the protective sleeve 3.

[0049] As a further solution of the present invention, the trigger structure includes a push rod 9 vertically arranged on the sealing cover 2 and a cross bar 10 horizontally arranged on the outer wall of the culture bottle 1, and a second avoidance groove 901 adapted to the cross bar 10 is opened on the push rod 9.

[0050] In this embodiment, since the push rod 9 is provided with a second avoidance groove 901 adapted to the cross bar 10, during the process of the sealing cover 2 and the culture bottle 1 being covered, the push rod 9 will move vertically downward following the sealing cover 2 and avoid the interference of the cross bar 10 through the second avoidance groove 901.

[0051] As a further solution of the present invention, the outer wall of the crossbar 10 is horizontally slidably sleeved with a wedge block 11 and a rectangular block 12, the wedge block 11 and the rectangular block 12 are connected, and the wedge block 11 is close to the culture bottle 1, and the top of the protective sleeve 3 is in contact with the bottom of the rectangular block 12;

[0052] The bottom end of the push rod 9 is configured as an inclined surface, and the inclined surface of the wedge block 11 cooperates with the inclined surface of the bottom end of the push rod 9 .

[0053] The end of the crossbar 10 is provided with a baffle 14, and the protective sleeve 3 is provided with a slot 13, and the slot 13 corresponds to the position of the crossbar 10;

[0054] The opening diameter of the slot 13 is smaller than the size of the rectangular block 12 , and the opening shape of the slot 13 is adapted to the wedge-shaped block 11 .

[0055] In this embodiment, since the opening diameter of the slot 13 is smaller than the size of the rectangular block 12, and the top of the protective sleeve 3 abuts against the bottom of the rectangular block 12, the rectangular block 12 can limit the protective sleeve 3 and prevent the protective sleeve 3 from moving toward the top of the culture bottle 1.

[0056] Because the bottom end of the push rod 9 is set as an inclined surface, the inclined surface of the wedge block 11 cooperates with the inclined surface of the bottom end of the push rod 9, and the wedge block 11 is connected to the rectangular block 12. Therefore, when the push rod 9 moves vertically downward following the sealing cover 2, the push rod 9 will push the wedge block 11 and the rectangular block 12 to move on the cross bar 10 in a direction away from the culture bottle 1;

[0057] Since the opening shape of the slot 13 is adapted to the wedge-shaped block 11, when the wedge-shaped block 11 moves to the slot 13 and the rectangular block 12 separates from the slot 13, the restriction on the protective sleeve 3 is released. At this time, the protective sleeve 3 will move vertically upward under the action of the spring 6, thereby covering the sealing cover 2 inside it;

[0058] When the sealing cover 2 needs to be opened, the protective sleeve 3 is driven by external force to overcome the elastic force of the spring 6 and move vertically downward, so that the sealing cover 2 leaks out. When the horizontal height of the top of the protective sleeve 3 is lower than the rectangular block 12, the rectangular block 12 is pushed closer to the culture bottle 1 by external force so that the rectangular block 12 is located directly above the groove 13. At this time, the external force on the protective sleeve 3 is removed, and under the action of the spring 6, the top of the protective sleeve 3 is abutted against the bottom of the rectangular block 12, and the sealing cover 2 can be opened.

[0059] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0060] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A portable peritoneal dialysis fluid sample retention device, comprising a culture bottle (1) and a sealing cover (2) detachably connected to the culture bottle (1), characterized in that: The outer wall of the culture bottle (1) is provided with a protective sleeve (3), and a reset structure is provided between the culture bottle (1) and the protective sleeve (3). The reset structure enables the protective sleeve (3) to always have a tendency to move toward the top of the culture bottle (1) when no external force is applied; A trigger structure is further provided between the culture bottle (1), the sealing cover (2) and the protective sleeve (3), and the trigger structure is capable of limiting the position of the protective sleeve (3) to prevent the protective sleeve (3) from moving toward the top of the culture bottle (1); During the process of the sealing cover (2) and the culture bottle (1) being covered, the trigger structure will be actuated, thereby releasing the limiting effect on the protective sleeve (3), so that the protective sleeve (3) moves toward the top of the culture bottle (1) and covers the sealing cover (2) inside.

2. The portable peritoneal dialysis fluid sampling device according to claim 1, characterized in that: The reset structure comprises a first circular ring (4) arranged on the outer wall of the culture bottle (1) and a second circular ring (5) arranged on the inner wall of the protective sleeve (3); The outer wall of the culture bottle (1) is provided with a spring (6), and the two ends of the spring (6) respectively abut against the top surface of the first circular ring (4) and the top surface of the second circular ring (5), and the spring (6) remains in a compressed state.

3. The portable peritoneal dialysis fluid sampling device according to claim 2, characterized in that: The outer wall of the No. 1 circular ring (4) is provided with a limiting column (401), and the inner wall of the protective sleeve (3) is provided with a limiting groove (301) along its length direction. The limiting column (401) is located inside the limiting groove (301) and is slidably engaged with each other.

4. The portable peritoneal dialysis fluid sampling device according to claim 1, characterized in that: The sealing cover (2) is connected to the culture bottle (1) via a connector (7), and the connector (7) is made of rubber. The protective sleeve (3) is provided with a first avoidance groove (8) adapted to the connector (7).

5. The portable peritoneal dialysis fluid sampling device according to claim 1, characterized in that: The trigger structure comprises a push rod (9) vertically arranged on the sealing cover (2) and a cross bar (10) horizontally arranged on the outer wall of the culture bottle (1); the push rod (9) is provided with a second avoidance groove (901) adapted to the cross bar (10).

6. The portable peritoneal dialysis fluid sampling device according to claim 5, characterized in that: The outer wall of the crossbar (10) is respectively provided with a wedge block (11) and a rectangular block (12) for horizontal sliding, the wedge block (11) and the rectangular block (12) are connected, and the wedge block (11) is close to the culture bottle (1), and the top of the protective sleeve (3) is in contact with the bottom of the rectangular block (12); The bottom end of the push rod (9) is configured as an inclined surface, and the inclined surface of the wedge block (11) cooperates with the inclined surface of the bottom end of the push rod (9).

7. The portable peritoneal dialysis fluid sampling device according to claim 6, characterized in that: A baffle (14) is provided at the end of the crossbar (10), and a slot (13) is provided on the protective sleeve (3), wherein the slot (13) corresponds to the position of the crossbar (10); The opening diameter of the slot (13) is smaller than the size of the rectangular block (12), and the opening shape of the slot (13) is compatible with the wedge-shaped block (11).