Peripheral puncture central vein visual catheter
By designing connectors, limiting blocks, compression springs, and other structures, the problem of cleaning and disinfection caused by the inconvenience of fixing the connecting frame pipe in the existing technology has been solved, realizing convenient cleaning and disinfection and simplified disassembly of the laminating frame, thus improving cleaning efficiency.
Patent Information
- Application Number
- CN202520315002.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-03-20
- Estimated Expiration
- 2035-02-26
AI Technical Summary
When existing peripherally inserted central venous catheters need to be disassembled, cleaned, and disinfected regularly after use, the connecting tube of the connecting frame is inconvenient to fix, which increases the difficulty of cleaning and disinfection.
The design incorporates a connector and connecting tube structure, enabling the connector to separate the connecting tube from the coupling tube for easy cleaning and disinfection. Meanwhile, the combination of the limiting block, compression spring, and limiting shaft simplifies the disassembly process of the laminating frame and prevents adhesive residue from remaining on the laminating frame.
It enables convenient cleaning and disinfection of connecting pipes and buttresses, simplifies the disassembly process of the film covering frame, reduces cleaning difficulty, and improves cleaning efficiency.
Smart Images
Figure CN224008860U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to visual catheter technical field, concretely is a kind of peripheral puncture central vein visual catheter. BACKGROUND
[0002] Peripheral puncture central vein visual catheter (PICC) is a kind of technology by peripheral venous puncture, catheter is directly inserted into the large vein close to heart. The catheter is usually used for long-term intravenous infusion, chemotherapy, high-osmotic or high-viscosity drug infusion and patients needing frequent blood sampling. The advantages of PICC catheterization include reducing frequent venipuncture, protecting peripheral vessels, reducing infection rate and long indwelling time, and will not affect the daily basic activities of patients.
[0003] The existing peripheral puncture central vein visual catheter needs to be regularly disassembled, cleaned and disinfected after use. Since the docking pipe is fixed on the connecting frame and is not easy to disassemble, the difficulty of cleaning and disinfection is increased. SUMMARY
[0004] The utility model discloses a kind of peripheral puncture central vein visual catheters, by being provided with connector and connecting pipe, it is convenient to clean and disinfect the inside of access pipe and docking pipe in the two ends of connecting pipe and connecting frame;By being provided with limit block, compression spring and limit shaft, it is convenient to disassemble and replace film covering frame.
[0005] To achieve the above object, the technical scheme adopted by the utility model is: provide a kind of peripheral puncture central vein visual catheter, including connecting frame, the output end of the connecting frame is fixedly connected with access pipe, the input end of the connecting frame is fixedly connected with docking pipe, the docking pipe is provided with two, and it is symmetrically distributed, the outside of the docking pipe is equipped with rubber ring, the outside of the docking pipe is threadedly connected with connector, the inside of the connector is fixedly connected with connecting pipe, the inside wall of the docking pipe is fixedly connected with fixed frame, the inside of the fixed frame is installed with sealing ring, and the end of connector is in contact with sealing ring.
[0006] Optionally, the outside of the connecting frame is fixedly connected with fixed sleeve, the inside of the fixed sleeve is provided with clamping groove, the clamping groove is provided with two, and it is symmetrically distributed.
[0007] Optionally, the top of the fixed sleeve is provided with installation slot, the inside wall of the installation slot is fixedly connected with fixed block, the side surface of the fixed block is fixedly connected with limit shaft.
[0008] Optionally, the outside of the limit shaft is slidably connected with limit block, the inside of the limit block is provided with sliding slot, and the end of limit shaft is located in the inside of sliding slot.
[0009] Optionally, an external compression spring is sleeved on the limiting shaft, and the compression spring is attached to the side surface of the limiting block.
[0010] Optionally, two film coating racks are arranged, and a film coating groove is formed in the top of each of the two film coating racks.
[0011] Compared with the prior art, the utility model has the advantages of the following beneficial effects:
[0012] 1. The utility model discloses a connecting head and a connecting pipe, which are separated by rotating the connecting head, so that the connecting pipe and the connecting frame can be cleaned and disinfected.
[0013] 2. The utility model discloses a limiting block, a compression spring and a limiting shaft, which are pushed from both sides to the middle at the same time when the film coating rack needs to be disassembled, so that the compression spring is compressed by the limiting block sliding on the outside of the limiting shaft, the limiting block is removed from the limiting of the film coating rack, the film coating rack is disassembled from the fixing sleeve, and the difficulty of cleaning is increased. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor.
[0015] Figure 1 It is the whole structure schematic diagram of the utility model;
[0016] Figure 2 It is the first perspective internal structure schematic diagram of the utility model;
[0017] Figure 3 It is the utility model Figure 2 The enlarged structure schematic diagram of A in the utility model;
[0018] Figure 4 It is the second perspective internal structure schematic diagram of the utility model;
[0019] Figure 5 It is the utility model Figure 4 The enlarged structure schematic diagram of B in the utility model.
[0020] In the figure: 1, connecting frame; 2, fixed sleeve; 201, clamping groove; 202, mounting groove; 203, fixed block; 204, limiting shaft; 205, limiting block; 206, sliding groove; 207, compression spring; 3, film covering frame; 4, access pipe; 5, butt joint pipe; 501, rubber ring; 502, fixed frame; 503, sealing ring; 504, connecting head; 6, connecting pipe; 7, film covering groove. DETAILED DESCRIPTION
[0021] In order to make the technical problems, technical solutions and beneficial effects of the utility model to be solved more clear and obvious, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and do not limit the utility model.
[0022] REFERENCE Figures 1-5 A peripheral puncture central vein visual catheter, comprising a connecting frame 1, the output end of the connecting frame 1 is fixedly connected with an access pipe 4, the input end of the connecting frame 1 is fixedly connected with a butt joint pipe 5, the butt joint pipe 5 is used to send drugs into the connecting frame 1, and the drugs are sent into the patient's body through the access pipe 4, the butt joint pipe 5 is provided with two and is symmetrically distributed, different butt joint pipes 5 are used to facilitate the delivery of different drugs into the patient's body, the outside of the butt joint pipe 5 is sleeved with a rubber ring 501, the outside of the butt joint pipe 5 is threadedly connected with a connecting head 504, the inside of the connecting head 504 is fixedly connected with a connecting pipe 6, the inner side wall of the butt joint pipe 5 is fixedly connected with a fixed frame 502, the inside of the fixed frame 502 is mounted with a sealing ring 503, and the end of the connecting head 504 is in close contact with the sealing ring 503. By rotating the connecting head 504, the connecting head 504 drives the connecting pipe 6 to separate from the butt joint pipe 5, so that the inside of the connecting pipe 6, the access pipe 4 and the butt joint pipe 5 at both ends of the connecting frame 1 can be conveniently cleaned and disinfected.
[0023] The outside of the connecting frame 1 is fixedly connected with a fixed sleeve 2, the inside of the fixed sleeve 2 is provided with a clamping groove 201, the clamping groove 201 is provided with two and is symmetrically distributed.
[0024] The top of the fixed sleeve 2 is provided with a mounting groove 202, the inner side wall of the mounting groove 202 is fixedly connected with a fixed block 203, and the side surface of the fixed block 203 is fixedly connected with a limiting shaft 204.
[0025] The outside of the limiting shaft 204 is slidably connected with a limiting block 205, the inside of the limiting block 205 is provided with a sliding groove 206, and the end of the limiting shaft 204 is located in the inside of the sliding groove 206.
[0026] The outside of the limiting shaft 204 is sleeved with a compression spring 207, the compression spring 207 is attached to the side surface of the limiting block 205, the installation groove 202 is communicated with the clamping groove 201, the clamping groove 201 is clamped with the film cover frame 3, and the end of the limiting block 205 is attached to the end of the film cover frame 3. When the film cover frame 3 needs to be disassembled and replaced, the limiting block 205 is pushed from both sides to the middle at the same time, the limiting block 205 slides on the outside of the limiting shaft 204, the compression spring 207 is compressed, so that the limiting block 205 releases the limiting of the film cover frame 3, the film cover frame 3 is conveniently disassembled from the fixing sleeve 2, and the difficulty of cleaning is avoided due to the film cover frame 3 remaining glue; when installing, the film cover frame 3 is fixed on the skin of the patient by the film cover, and the problem of the film cover frame 3 remaining glue can be effectively solved by disassembling and replacing the film cover frame 3.
[0027] The film cover frame 3 is provided with two, and the top of the two film cover frames 3 is provided with a film cover groove 7. The film cover is pasted on the skin of the patient through the film cover groove 7, which can not only reduce the area of contact with the skin of the patient, but also better adhere to the skin of the patient.
[0028] Working principle: when the utility model is used, the access pipe 4 is inserted into the superior vena cava of the patient through the puncture technology under the guidance of ultrasonic, then the film cover frame 3 is tightly attached to the skin of the patient by the film cover through the film cover groove 7, so that the fixing of the connecting frame 1 is realized, since the access pipe 4 and the butt joint pipe 5 are both visual catheters, the progress of drug delivery in the catheters can be observed; when the film cover frame 3 needs to be disassembled and replaced after being used for a period of time, the limiting block 205 is pushed from both sides to the middle at the same time, the limiting block 205 slides on the outside of the limiting shaft 204, the compression spring 207 is compressed, so that the limiting block 205 releases the limiting of the film cover frame 3, the film cover frame 3 is conveniently disassembled from the fixing sleeve 2, and the difficulty of cleaning and disinfection is avoided due to the film cover frame 3 remaining glue; when installing, the film cover frame 3 is fixed on the skin of the patient by the film cover, and the problem of remaining glue can be effectively solved after the film cover frame 3 is disassembled and replaced; when the access pipe 4 and the butt joint pipe 5 at both ends of the connecting pipe 6 and the connecting frame 1 need to be cleaned, the connecting head 504 is rotated to drive the connecting pipe 6 and the butt joint pipe 5 to separate, so that the connecting pipe 6 and the connecting frame 1, the access pipe 4 and the butt joint pipe 5 at both ends can be conveniently disinfected and cleaned.
[0029] The above only describes preferred embodiments of the utility model and does not limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A peripherally inserted central venous catheter, comprising a connecting frame (1), characterized in that: The output end of the connecting frame (1) is fixedly connected to the access pipe (4), and the input end of the connecting frame (1) is fixedly connected to the connecting pipe (5). There are two connecting pipes (5) and they are symmetrically distributed. The outside of the connecting pipe (5) is fitted with a rubber ring (501). The outside of the connecting pipe (5) is threaded with a connector (504). The inside of the connector (504) is fixedly connected to the connecting pipe (6). The inner side wall of the connecting pipe (5) is fixedly connected to a fixing frame (502). The inside of the fixing frame (502) is fitted with a sealing ring (503), and the end of the connector (504) is in contact with the sealing ring (503).
2. The peripherally inserted central venous catheter as described in claim 1, characterized in that: The connecting frame (1) is fixedly connected to a fixing sleeve (2) on the outside. The fixing sleeve (2) has a slot (201) inside. There are two slots (201) and they are symmetrically distributed.
3. The peripherally inserted central venous catheter as described in claim 2, characterized in that: The top of the fixed sleeve (2) is provided with an installation groove (202), and a fixing block (203) is fixedly connected to the inner side wall of the installation groove (202). A limit shaft (204) is fixedly connected to the side surface of the fixing block (203).
4. The peripherally inserted central venous catheter as described in claim 3, characterized in that: The limiting shaft (204) is externally slidably connected to a limiting block (205), the limiting block (205) has a groove (206) inside, and the end of the limiting shaft (204) is located inside the groove (206).
5. The peripherally inserted central venous catheter as described in claim 4, characterized in that: A compression spring (207) is sleeved on the outside of the limiting shaft (204), and the compression spring (207) is in contact with the side surface of the limiting block (205). The mounting groove (202) is connected to the slot (201). The film-coating frame (3) is engaged inside the slot (201), and the end of the limiting block (205) is in contact with the end of the film-coating frame (3).
6. The peripherally inserted central venous catheter as described in claim 5, characterized in that: Two film-coating frames (3) are provided, and each of the two film-coating frames (3) has a film-coating groove (7) on its top.