Peritoneal dialysis exudate bag facilitating exudation and sampling
By introducing a drain tube and a sampling tube into the peritoneal dialysis fluid bag, the problems of inconvenient draining and sampling in the existing technology are solved, ensuring the safe extraction of dialysis fluid and improving the accuracy of test reports.
Patent Information
- Application Number
- CN202420636702.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2034-03-29
AI Technical Summary
Existing peritoneal dialysis fluid bags are inconvenient for draining and sampling, and the sampling process is easily contaminated, affecting the accuracy of laboratory reports.
The design incorporates a drainage tube for easy drainage and a sampling tube for sampling. The drainage tube is tightly connected to the bag body, and the sampling tube is internally connected to the drainage tube. Both tubes are equipped with sealing caps, making drainage and sampling convenient and less prone to contamination.
It enables convenient drainage and contamination-free sampling of peritoneal dialysis fluid bags, improving the accuracy of dialysis fluid test reports.
Smart Images
Figure CN223914459U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of peritoneal dialysis devices, and in particular to a peritoneal dialysis effluent bag that facilitates drainage and sampling. Background Technology
[0002] Peritoneal dialysis is a common renal replacement therapy for uremia patients. Compared with hemodialysis, peritoneal dialysis is simpler, safer, and more effective. It does not require special equipment, is not limited by location, and patients can perform daily dialysis treatment at home. The cost is also lower than hemodialysis. Peritoneal dialysis utilizes the peritoneum's semi-permeable membrane properties. Gravity forces prepared dialysate into the patient's peritoneal cavity through a peritoneal dialysis catheter. Due to the concentration gradient of solutes across the peritoneum, solutes from the high-concentration side move to the low-concentration side, while water moves from the hypotonic side to the hypertonic side. Through continuous replacement of the peritoneal dialysate, the body's metabolic products, toxins, and electrolyte imbalances are removed.
[0003] Peritoneal dialysis requires the use of a dialysis bag, a dialysate bag, and a peritoneal dialysis catheter. The dialysis bag is empty, while the dialysate bag contains unused dialysate. The peritoneal dialysis catheter is the tube that delivers dialysate into / out of the patient's peritoneal cavity. During a dialysate change, the dialysis fluid (similar to urine) in the peritoneal cavity is first drained through the peritoneal dialysis catheter and tubing into the dialysis bag. Then, the dialysate in the dialysis bag is infused into the patient's peritoneal cavity through the tubing and peritoneal dialysis catheter. Finally, the dialysis bag and its tubing are disconnected from the peritoneal dialysis catheter, completing the dialysate change.
[0004] In the prior art, the structure of a peritoneal dialysis dialysis fluid bag typically includes a bag body and a dialysis fluid catheter, with one end of the dialysis fluid catheter inserted into the bag body and tightly connected to the bag body. However, the following technical problems exist in the use of this peritoneal dialysis dialysis bag: (1) It is inconvenient to drain the fluid. After the peritoneal dialysis dialysis bag is filled with the drained dialysis fluid, it is usually necessary to pour the dialysis fluid (similar to urine) into the toilet for drainage. However, the existing peritoneal dialysis dialysis dialysis bag does not have a drain tube. The patient can only cut the peritoneal dialysis dialysis dialysis bag with scissors before draining the fluid, which is inconvenient for drainage. (2) It is inconvenient to take samples. During long-term peritoneal dialysis, patients need to frequently sample and test the dialysis fluid to determine the patient's condition. However, the existing peritoneal dialysis dialysis dialysis bag does not have a sampling tube. Medical staff often need to use a syringe needle to pierce the peritoneal dialysis dialysis dialysis bag for sampling. However, during the piercing process, the syringe needle is easily contaminated by dust, impurities, bacteria and viruses on the surface of the dialysis dialysis bag, which has an adverse effect on the accuracy of the dialysis dialysis test report. Utility Model Content
[0005] The technical problem to be solved by this utility model is to address the shortcomings of the prior art by providing a peritoneal dialysis fluid bag that facilitates drainage and sampling. The peritoneal dialysis fluid bag is equipped with a drainage tube and a sampling tube. The drainage tube can drain the permeate fluid inside the peritoneal dialysis fluid bag, and the sampling tube can extract the permeate fluid inside the peritoneal dialysis fluid bag. Drainage and sampling are convenient, and the extracted permeate fluid is not easily contaminated, thus avoiding affecting the accuracy of the permeate fluid test report.
[0006] To solve the above-mentioned technical problems, the technical solution of this utility model is: a peritoneal dialysis effluent bag that facilitates drainage and sampling, comprising a bag body and an effluent conduit, one end of which is inserted into the bag body and tightly connected to the bag body; it also includes a drainage tube and a sampling tube, one end of which is inserted into the bag body and tightly connected to the bag body, and the other end of which is provided with a first sealing cap; one end of which is connected to the side wall of the drainage tube, and the interior of the sampling tube is connected to the interior of the drainage tube, and the other end of which is provided with a second sealing cap.
[0007] Preferably, the bag body includes a front bag body and a rear bag body. The left end of the front bag body is integrally connected to the left end of the rear bag body, and the right end of the front bag body is integrally connected to the right end of the rear bag body. The lower end of the front bag body is heat-sealed to the lower end of the rear bag body, and the heat-sealed connection has a lower heat-sealing strip. The upper end of the front bag body is heat-sealed to the upper end of the rear bag body, and the heat-sealed connection has two spaced upper heat-sealing strips. One end of the permeate conduit and one end of the drain pipe are respectively clamped between the upper end of the front bag body and the upper end of the rear bag body, and are fixed by heat-sealing connection through two upper heat-sealing strips.
[0008] Preferably, the bag body is a transparent bag body, and a clarity recognition area is provided on the front bag body or the rear bag body, and mirror text information for judging the turbidity of the permeate is printed on the clarity recognition area.
[0009] Preferably, the other end of the drain pipe is provided with a first external thread, the inner wall of the first sealing cap is provided with a first internal thread, the first external thread and the first internal thread are threadedly connected and engaged, and a first sealing gasket for abutting and sealing the other end of the drain pipe is also provided inside the first sealing cap; the other end of the sampling tube is provided with a second external thread, the inner wall of the second sealing cap is provided with a second internal thread, the second external thread and the second internal thread are threadedly connected and engaged, and a second sealing gasket for abutting and sealing the other end of the sampling tube is also provided inside the second sealing cap.
[0010] Preferably, the drain pipe is cylindrical in shape, with a length of 40-60 mm and a diameter of 20-30 mm; the sampling pipe is cylindrical in shape, with a length of 15-25 mm and a diameter of 3-8 mm.
[0011] Preferably, a drain speed controller is installed on the permeate conduit, and a speed control pulley is provided on the drain speed controller.
[0012] The beneficial effects of this utility model are: (1) Since this utility model is equipped with a drain pipe, one end of which is inserted into the bag body and tightly connected to the bag body, and the other end of which is equipped with a first sealing cap, after the peritoneal dialysis ... Furthermore, the inside of the sampling tube is connected to the inside of the drainage tube, and the other end of the sampling tube is equipped with a second sealing cap. Therefore, when medical staff extract the percutaneous dialysis fluid sample from the peritoneal dialysis fluid bag, they only need to twist open the second sealing cap to pour the percutaneous dialysis fluid from the peritoneal dialysis fluid bag into the test tube through the sampling tube, or directly extract the percutaneous dialysis fluid sample from the sampling tube with a pipette. Extracting the percutaneous dialysis fluid sample is convenient, and the extracted percutaneous dialysis fluid sample is not easily contaminated, thus avoiding affecting the accuracy of the percutaneous dialysis fluid test report. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0014] Figure 2 This is a schematic diagram of the dispersed structure of this utility model. Detailed Implementation
[0015] The structural and working principles of this utility model will be further described in detail below with reference to the accompanying drawings.
[0016] like Figure 1 and Figure 2As shown, this utility model is a peritoneal dialysis dialysis fluid bag that facilitates drainage and sampling. It includes a bag body 1 and a dialysis fluid conduit 2. One end of the dialysis fluid conduit 2 is inserted into the bag body 1 and tightly connected to the bag body 1. It also includes a drainage tube 3 and a sampling tube 4. One end of the drainage tube 3 is inserted into the bag body 1 and tightly connected to the bag body 1. The other end of the drainage tube 3 is provided with a first sealing cap 31. One end of the sampling tube 4 is connected to the side wall of the drainage tube 3, and the interior of the sampling tube 4 is connected to the interior of the drainage tube 3. The other end of the sampling tube 4 is provided with a second sealing cap 41. After the peritoneal dialysis dialysis fluid bag of this utility model is filled with the drained dialysis fluid, the patient only needs to twist open the first sealing cap 31 to drain the dialysis fluid through the drain tube 3, which is convenient. When medical staff need to extract dialysis fluid samples from the peritoneal dialysis dialysis fluid bag, they only need to twist open the second sealing cap 41 to pour the dialysis fluid from the peritoneal dialysis dialysis fluid bag into a test tube through the sampling tube 4, or directly extract the dialysis fluid sample from the sampling tube 4 with a pipette. Extracting dialysis fluid samples is convenient, and the extracted dialysis fluid samples are not easily contaminated, avoiding affecting the accuracy of the dialysis fluid test report.
[0017] like Figure 1 and Figure 2 As shown, the bag body 1 includes a front bag body 11 and a rear bag body 12. The left end of the front bag body 11 is integrally connected to the left end of the rear bag body 12, and the right end of the front bag body 11 is integrally connected to the right end of the rear bag body 12. The lower end of the front bag body 11 is heat-sealed to the lower end of the rear bag body 12, and the heat-sealed connection has a lower heat-sealing strip 13. The upper end of the front bag body 11 is heat-sealed to the upper end of the rear bag body 12, and the heat-sealed connection has two spaced upper heat-sealing strips 14. One end of the permeate conduit 2 and one end of the drain pipe 3 are respectively clamped between the upper end of the front bag body 11 and the upper end of the rear bag body 12, and are fixed by heat-sealing connection through the two upper heat-sealing strips 14. The bag body 1 is generally made of polymer materials, such as polyvinyl chloride (PVC) and polyethylene (PE). When selecting materials, attention should be paid to their quality and safety; high-quality materials that are non-toxic, odorless, and free of impurities should be chosen. The capacity of the bag body 1 varies depending on the model, generally ranging from 2.5 to 5 liters. The appropriate capacity should be selected based on the patient's specific condition and dialysis needs. The bag body 1 typically has a three-layer structure: an inner dialysis membrane, a middle dialysis membrane, and an outer protective layer. During extrusion molding, it is a continuous cylindrical film. The cylindrical film is flattened, heat-sealed, and cut to form the bag body. Two spaced-apart upper heat-sealing strips 14 are installed at the top of the bag body, which significantly improves the sealing performance of the bag body 1 and the connection stability and sealing between the bag body 1 and the permeate tubing 2 and the drain pipe 3.
[0018] like Figure 1 and Figure 2As shown, the bag body 1 is a transparent bag body 1, and a clarity recognition area 5 is provided on the front bag body 11 or the rear bag body 12. Mirror text information for judging the turbidity of the permeate is printed on the clarity recognition area 5.
[0019] The purpose of setting up mirrored text information is to facilitate patients' viewing of the mirrored text information from the other side of the bag 1. Assuming the clarity recognition area 5 is located on the front bag 11, when the bag 1 is not full of permeate, the patient can clearly see the mirrored text information through the bag from the rear bag 12 side. Similarly, when the bag 1 is full of normal permeate with low turbidity, the patient can also clearly see the mirrored text information through the bag from the rear bag 12 side. However, when the bag 1 is full of abnormal permeate with high turbidity, the patient will have difficulty seeing the mirrored text information through the bag from the rear bag 12 side. In this case, it indicates a problem with the patient's health, and immediate medical attention is required. Therefore, this invention, by setting up a clarity recognition area 5 and printing mirrored text information on it to determine the degree of turbidity of the permeate, allows patients to promptly understand their condition and determine whether medical attention is necessary.
[0020] like Figure 1 and Figure 2 As shown, the other end of the drain pipe 3 is provided with a first external thread 32, and the inner wall of the first sealing cap 31 is provided with a first internal thread 33. The first external thread 32 and the first internal thread 33 are threadedly connected and engaged. A first sealing gasket 34 for abutting and sealing the other end of the drain pipe 3 is also provided inside the first sealing cap 31. The other end of the sampling tube 4 is provided with a second external thread 42, and the inner wall of the second sealing cap 41 is provided with a second internal thread 43. The second external thread 42 and the second internal thread 43 are threadedly connected and engaged. A second sealing gasket 44 for abutting and sealing the other end of the sampling tube 4 is also provided inside the second sealing cap 41. It should be noted that a sealing strip (not shown) is integrally connected between the first sealing cap 31 and the drain pipe 3 for easy opening, and a sealing strip (not shown) is also integrally connected between the second sealing cap 41 and the sampling tube 4 for easy opening. Before unscrewing the first sealing cap 31 or the second sealing cap 41, the sealing strip needs to be pulled open first, which can prevent external dust, impurities, bacteria and viruses from entering the bag body 1.
[0021] like Figure 1 and Figure 2 As shown, the drain pipe 3 is cylindrical in shape, with a length of 40-60 mm and a diameter of 20-30 mm; the sampling pipe 4 is cylindrical in shape, with a length of 15-25 mm and a diameter of 3-8 mm.
[0022] like Figure 1 and Figure 2As shown, a draining speed controller 6 is installed on the dialysis catheter 2, and a speed control pulley 61 is provided on the draining speed controller 6. During the dialysis fluid replacement process, the dialysis fluid in the peritoneal cavity needs to be drained into the dialysis bag through the peritoneal dialysis catheter and tubing. If the flow rate is too fast, the draining side hole of the peritoneal dialysis catheter can easily adhere to the intestines, perineum, and other organs and tissues in the abdominal cavity, causing significant pain in the patient's intestines, perineum, and other organs and tissues. This symptom is most obvious in patients in the early stages of dialysis. After installing the draining speed controller 6 on the dialysis catheter 2, the draining speed can be reduced and adjusted by adjusting the speed control pulley 61, thus preventing the peritoneal dialysis catheter from easily adhering to the intestines, perineum, and other organs and tissues in the abdominal cavity, and reducing the patient's pain in the intestines, perineum, and other organs and tissues.
[0023] The above description is merely a preferred embodiment of this utility model. Any minor modifications, equivalent changes, and alterations made to the above embodiments based on the technical solution of this utility model shall fall within the scope of the technical solution of this utility model.
Claims
1. A peritoneal dialysis effluent bag facilitating drainage and sampling, comprising a bag body (1) and an effluent conduit (2), one end of the effluent conduit (2) being inserted into the bag body (1) and being tightly connected with the bag body (1), characterized in that: Further comprising a drainage pipe (3) and a sampling pipe (4), one end of the drainage pipe (3) is inserted into the bag body (1) and is tightly connected with the bag body (1), the other end of the drainage pipe (3) is provided with a first sealing cover (31); one end of the sampling pipe (4) is connected with the side wall of the drainage pipe (3), and the inside of the sampling pipe (4) is communicated with the inside of the drainage pipe (3), the other end of the sampling pipe (4) is provided with a second sealing cover (41).
2. The PD effluent bag with facilitated drainage and sampling of claim 1, wherein: The bag body (1) comprises a front bag body (11) and a rear bag body (12), the left end of the front bag body (11) is integrally connected with the left end of the rear bag body (12), the right end of the front bag body (11) is integrally connected with the right end of the rear bag body (12), the lower end of the front bag body (11) is heat-sealedly connected with the lower end of the rear bag body (12), and the heat-sealed connection part has a lower heat-sealed strip (13), the upper end of the front bag body (11) is heat-sealedly connected with the upper end of the rear bag body (12), and the heat-sealed connection part has two upper heat-sealed strips (14) which are arranged at intervals; one end of the exudate guide pipe (2) and one end of the drainage pipe (3) are respectively clamped between the upper end of the front bag body (11) and the upper end of the rear bag body (12) and are fixed by the two upper heat-sealed strips.
3. The PD effluent bag of claim 2, wherein: The bag body (1) is a transparent bag body, a clarity identification area (5) is arranged on the front bag body (11) or the rear bag body (12), and mirror image text information for judging the turbidity degree of the exudate is printed on the clarity identification area (5).
4. The PD effluent bag of claim 1, wherein: The other end of the drainage pipe (3) is provided with a first external thread (32), the inner wall of the first sealing cover (31) is provided with a first internal thread (33), the first external thread (32) is threadedly connected with the first internal thread (33), and the first sealing cover (31) is further provided with a first sealing gasket (34) for abutting and sealing the other end of the drainage pipe (3); the other end of the sampling pipe (4) is provided with a second external thread (42), the inner wall of the second sealing cover (41) is provided with a second internal thread (43), the second external thread (42) is threadedly connected with the second internal thread (43), and the second sealing cover (41) is further provided with a second sealing gasket (44) for abutting and sealing the other end of the sampling pipe (4).
5. The PD effluent bag of claim 4, wherein: The overall shape of the drainage pipe (3) is cylindrical, the length of the drainage pipe (3) is 40-60 mm, and the diameter of the drainage pipe (3) is 20-30 mm; the overall shape of the sampling pipe (4) is cylindrical, the length of the sampling pipe (4) is 15-25 mm, and the diameter of the sampling pipe (4) is 3-8 mm.
6. The PD effluent bag of any one of claims 1-5, wherein: A drainage speed controller (6) is arranged on the exudate guide pipe (2), and a speed control pulley (61) is arranged on the drainage speed controller (6).