PICC (peripherally inserted central catheter) fixing and pressing preventing device
By designing a PICC catheter fixation and anti-pressure device, the problems of unstable PICC catheter fixation and skin damage were solved by using the fitting part and limiting structure, thus achieving stable catheter fixation and improving patient comfort.
Patent Information
- Application Number
- CN202422242784.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-13
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-09-13
AI Technical Summary
Existing PICC catheter fixation methods are prone to dislodgement, and the use of traditional sterile transparent dressings can cause skin damage at the catheter and infusion connector sites, increasing patient discomfort and the workload of medical staff.
A PICC catheter fixation and anti-pressure device was designed, including a first fitting part and a second fitting part, which are respectively adhered to the skin. Combined with a limiting structure and a tubing guide structure, it is used to fix and guide the infusion connector and the external tubing, reduce direct contact with the skin, and avoid detachment and skin damage caused by traction.
Effectively securing the PICC catheter reduces the risk of dislodgement, avoids skin damage, reduces patient discomfort and the workload of medical staff, and improves operational stability and safety.
Smart Images
Figure CN223516773U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical supplies technical field, in particular, relate to a PICC catheter fixed pressure protection device. BACKGROUND
[0002] PICC is a kind of central venous catheter inserted through peripheral vein, is widely used in the patient needing long-term intravenous infusion, chemotherapy, parenteral nutrition etc. treatment.It is placed into through the vein of upper arm, finally reaches superior vena cava, provides a safe, effective intravenous access for patient.
[0003] To ensure the continuity and safety of treatment, clinical fixation and anti-drop of PICC catheter are paid more and more attention.Although this, the incidence of PICC catheter shedding is still high.At present, the fixation mode of catheter mainly depends on sterile transparent dressing, sterile transparent dressing is transparent adhesive film, this dressing provides protection, also brings certain problem.In the PICC maintenance process, when removing original dressing, due to the adhesion of dressing, catheter and infusion connector are often pulled, which can lead to catheter out of the body.In order to ensure effective fixation, additional elastic adhesive tape is often used to reduce pressure and fix at the junction of sterile dressing and infusion connector.But elastic adhesive tape is prone to edge curling and shedding, and long-term repeated pasting at infusion connector and catheter sleeve also easily causes medical adhesive skin damage.Increase the discomfort and risk of patients, also bring additional work burden to medical staff. UTILITY MODEL CONTENT
[0004] The utility model aims at at least one of the technical problems existing in the prior art is solved.For this purpose, the utility model provides a PICC catheter fixed pressure protection device.
[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:
[0006] A PICC catheter fixed pressure protection device, comprising: a first fitting part, the inner side is used for skin adhesion, and the outer side is provided with a first limiting structure;Second fitting part, the inner side is used for skin adhesion, and the outer side is provided with a hose guide structure, the hose guide structure has hose guide groove, the hose guide structure and hose guide groove extend along the arc, the upper opening of the hose guide groove is provided, and the width of the upper opening of the hose guide groove is less than the width of the middle part of the hose guide groove;Infusion connector, cooperate with the first limiting structure, be limited by the first limiting structure, one end of the infusion connector is connected with extracorporeal hose, and the extracorporeal hose is partially embedded in the hose guide groove.
[0007] Further, the end of the extracorporeal hose away from the infusion connector extends out of the hose guide groove and is provided with a protruding limiting block, and the limiting block is used for being attached to the end wall of the hose guide structure.
[0008] Further, the first limiting structure is provided with a clamping groove for embedding the infusion connector, and the upper end of the clamping groove is provided with a clamping entrance for clamping the infusion connector into the clamping groove.
[0009] Further, the peripheral wall of the infusion connector is provided with an operation leaf, and the first limiting structure is spaced apart and provided with two, and the operation leaf is clamped between the two first limiting structures.
[0010] Further, one end of the extracorporeal hose away from the infusion connector is used for connecting a needle, and the second fitting part is provided with an avoiding opening corresponding to the needle.
[0011] Further, the extension path of the hose guide structure and the hose guide groove is in a C shape.
[0012] Further, the outer side of the second fitting part is provided with a covering sheet, and the covering sheet is used for shielding the part of the extracorporeal hose close to the infusion connector and located outside the hose guide groove.
[0013] Further, one end of the covering sheet is connected with the outer side of the second fitting part, and the other end is separated from the second fitting part.
[0014] Further, the first fitting part is integrally connected with the first limiting structure, and the second fitting part and the hose guide structure are integrally connected.
[0015] Further, the first fitting part and the second fitting part are made of polyvinyl chloride material.
[0016] The utility model has the following beneficial effects:
[0017] The first fitting part and the second fitting part are adhered to the skin, so that pressure sores caused by direct contact between the infusion connector and the extracorporeal hose and the skin are avoided, the first limiting structure is used for limiting the infusion connector, the hose guide groove of the hose guide structure is used for guiding and limiting the extracorporeal hose, so that the catheter is kept on the required extension path, and direct contact between the sterile transparent dressing and the extracorporeal hose is reduced, the pulling of the extracorporeal hose when the sterile transparent dressing is torn off is reduced, and since the first fitting part and the second fitting part are adhered to the skin and the first limiting structure and the hose guide structure limit the infusion connector and the extracorporeal hose, even if the sterile transparent dressing is torn off, the infusion connector and the extracorporeal hose will not be easily pulled out, the discomfort and risk of the patient are reduced, and the additional work burden on the medical staff is avoided.
[0018] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages. The utility model will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS
[0019] The drawings constituting a part of this application serve to provide further understanding of the present application, the illustrative embodiments of the present application and the description thereof serve to explain the present application, and do not constitute undue limitation on the present application. In the drawings:
[0020] Figure 1 is a schematic diagram of the overall structure of the present application;
[0021] Figure 2 is an enlarged view of A of Figure 1
[0022] Figure 3 is a schematic diagram of the exploded state structure of Figure 1
[0023] Figure 4 is a front view of Figure 1
[0024] Figure 5 is a B-B sectional view of Figure 4
[0025] Figure 6 is a C-C sectional view of Figure 4
[0026] Legend:
[0027] The first fitting part 100, the first limiting structure 110, the clamping groove 111, the clamping entrance 112;
[0028] The second fitting part 200, the hose guiding structure 210, the hose guiding groove 211, the avoiding opening 220, the covering sheet 230;
[0029] The infusion connector 300, the extracorporeal hose 310, the limiting block 311, the needle 312, the operation leaf 320. DETAILED DESCRIPTION
[0030] It should be understood that the specific embodiments described herein are merely intended to explain the present application, and are not intended to limit the present application.
[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0032] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.
[0033] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor in the protection scope required by the present application.
[0034] Please refer to Figure 1 , Figure 2 and Figure 4 , the present application provides a PICC catheter fixing and preventing pressure device in one preferred embodiment, including first fitment 100, second fitment 200, infusion connector 300.
[0035] The inner side of the first fitment 100 is used for skin adhesion, and the outer side is provided with a first limiting structure 110. The inner side of the second fitment 200 is used for skin adhesion, and the outer side is provided with a hose guide structure 210. The inner side of the first fitment 100 and the inner side of the second fitment 200 are provided with an adhesive layer to be adhered to the human skin, and the adhesive layer can be made of hydrogel material, fibrin adhesive material or polysaccharide adhesive material (such as chitosan). The hose guide structure 210 has a hose guide groove 211, and the hose guide structure 210 and the hose guide groove 211 extend along an arc, and the upper opening of the hose guide groove 211 is provided;
[0036] The infusion connector 300 is matched with the first limiting structure 110 to be limited by the first limiting structure 110, one end of the infusion connector 300 is connected with the extracorporeal hose 310, and the other end is used for connecting an infusion tube. The extracorporeal hose 310 is partially embedded in the hose guide groove 211. The width of the upper opening of the hose guide groove 211 is smaller than the width of the middle part of the hose guide groove 211, the diameter of the extracorporeal hose 310 is matched with the hose guide groove 211, that is, the width of the upper opening of the hose guide groove 211 is smaller than the diameter of the extracorporeal hose 310, so that after the extracorporeal hose 310 is clamped into the hose guide groove 211, the extracorporeal hose 310 is not easy to be separated from the hose guide groove 211 from the upper end opening of the hose guide groove 211. When in use, a sterile transparent dressing is still pasted outside, the sterile transparent dressing mainly contacts the first and second adhesive parts, and when the sterile transparent dressing is torn off, the main force is transmitted to the first and second adhesive parts, and the first and second adhesive parts are adhered to the skin, so that the infusion connector 300 and the extracorporeal hose 310 are not easily pulled off.
[0037] The PICC catheter fixing and pressure preventing device provided by the utility model utilizes the first adhesive part 100 and the second adhesive part 200 to be adhered to the skin, then utilizes the first limiting structure 110 to limit the infusion connector 300, utilizes the hose guide groove 211 of the hose guide structure 210 to guide and limit the extracorporeal hose 310, so that the extracorporeal hose 310 is kept on the required extension route, and the sterile transparent dressing is directly contacted with the extracorporeal hose 310, and the pulling of the extracorporeal hose 310 when the sterile transparent dressing is torn off is reduced, and because the first adhesive part 100 and the second adhesive part 200 are adhered to the skin, and the first limiting structure 110 and the hose guide structure 210 limit the infusion connector 300 and the extracorporeal hose 310, even if the sterile transparent dressing is torn off, the infusion connector 300 and the extracorporeal hose 310 are pulled, the infusion connector 300 and the extracorporeal hose 310 are not easily pulled out, the discomfort and risk of the patient are reduced, and the additional work burden of the medical staff is avoided. The first adhesive part 100 and the second adhesive part 200 are separately arranged, the relative positions of the first adhesive part 100 and the second adhesive part 200 can be adaptively adjusted according to the length of the extracorporeal hose 310 and the operation difference. Because the first adhesive part 100 and the second adhesive part 200 can share the pressure, and the infusion connector 300 and the extracorporeal hose 310 are not directly contacted with the skin, the local concentrated compression of the infusion connector 300 and the extracorporeal hose 310 to the skin can be effectively avoided.
[0038] Reference Figure 2In some embodiments of the utility model, the extracorporeal hose 310 is stretched out from the hose guide groove 211 and is equipped with the protruding limiting block 311 away from the infusion connector 300, the limiting block 311 is used for being attached to the end wall of the hose guide structure 210, so that when the extracorporeal hose 310 is pulled, the possibility that the extracorporeal hose 310 is separated from the human body with the needle can be limitedly reduced, and the patient is avoided to cause the discomfort.
[0039] With reference to Figure 3 And Figure 6 In some embodiments of the utility model, the first limiting structure 110 is equipped with the clamping groove 111 for embedding the infusion connector 300, the first limiting structure 110 is protruded from the first adhesion part 100, the clamping groove 111 is equipped with the clamping entrance 112 for clamping the infusion connector 300 in the clamping groove 111 on the upper end, the width of the clamping entrance 112 is less than the diameter of the part of the clamping groove 111 of the infusion connector 300, so that the infusion connector 300 clamped in the clamping groove 111 can not easily separate from the clamping groove 111, and the stability of the limiting is improved.It can be understood that the infusion connector 300 and the extracorporeal hose 310 can be made of silica gel or polyvinyl chloride material, and have certain elastic deformation capacity, so that the infusion connector 300 can pass through the clamping entrance 112 and be clamped in the clamping groove 111.
[0040] With reference to Figure 3 In further embodiments of the utility model, the infusion connector 300 is equipped with the operation leaf 320 on the peripheral wall, the operation leaf 320 is convenient for the hand to pinch the operation leaf 320 when operating, so that the infusion tube is conveniently butted with the infusion connector 300.The first limiting structure 110 is spaced apart and is equipped with two, the operation leaf 320 is clamped between the two first limiting structures 110, so that the axial direction of the infusion connector 300 is fixed, and the clamping groove 111 realizes the radial limiting of the infusion connector 300, so that the multiple limiting of the infusion connector 300 is realized.The position stability of the infusion connector 300 is improved.
[0041] With reference to Figure 1 And Figure 3 In further embodiments of the utility model, the extracorporeal hose 310 is used for connecting the needle 312 away from the infusion connector 300, the second adhesion part 200 is equipped with the avoiding opening 220 corresponding to the needle 312, so that the needle 312 is avoided to interfere with the penetration into the human body.
[0042] With reference to Figure 1 And Figure 3In further embodiments of the utility model, the extension path of the hose guide structure 210 and the hose guide groove 211 is in the shape of C, so that the extracorporeal hose 310 extends along the C shape, the extension path of the extracorporeal hose 310 is limited, and the extracorporeal hose 310 is guided by the hose guide groove 211 before penetrating into the human body, so that a certain turning is performed, the bending part of the extracorporeal hose 310 can better adapt to the natural bending of the blood vessel, the bending part has a buffering effect, the movement or disengagement of the needle 312 caused by activities is reduced, appropriate bending also helps to reduce intravascular complications, such as blood vessel perforation, blood vessel intima injury, etc., and the bending part of the extracorporeal hose 310 can provide a better operation angle when infusion is performed, so that the operation is more convenient.
[0043] With reference to Figure 1 , Figure 3 and Figure 5 In some embodiments of the utility model, the second fitting part 200 is provided with a covering piece 230 on the outer side, and the covering piece 230 is used for shielding the part of the extracorporeal hose 310 close to the infusion connector 300 and located outside the hose guide groove 211, that is, the extracorporeal hose 310 can be roughly divided into three parts, one part is embedded in the hose guide groove 211, one part is extended out of the hose guide groove 211 and connected with the needle, and one part is extended out of the hose guide groove 211 and connected with the infusion connector 300, and the covering piece 230 is used for covering the part of the extracorporeal hose 310 extended out of the hose guide groove 211 and connected with the infusion connector 300, the part of the extracorporeal hose 310 is long and not hidden by the hose guide groove 211, is easy to be adhered by the dressing and thus is easy to cause traction, and has an impact on the stability of the extracorporeal hose 310.
[0044] With reference to Figure 3 and Figure 5 In specific embodiments of the utility model, one end of the covering piece 230 is connected with the outer side of the second fitting part 200, and the other end is separated from the second fitting part 200, so that one side of the covering piece 230 is movable, the covering piece 230 is opened when the extracorporeal hose 310 is installed, and the operation is facilitated, and the covering piece 230 and the second fitting part 200 can be connected by integral connection or adhesion.
[0045] In specific embodiments of the utility model, the first fitting part 100 is integrally connected with the first limiting structure 110, and the second fitting part 200 and the hose guide structure 210 are integrally connected, so that the manufacturing is facilitated, and the connection stability is stronger.
[0046] In specific embodiments of the utility model, the first fitting part 100 and the second fitting part 200 are made of polyvinyl chloride material, so that the first fitting part 100 and the second fitting part 200 are relatively soft and have better skin friendliness.
[0047] The above merely is preferred embodiment of the present utility model, and is not for limiting the present utility model, for the person skilled in the art, the present utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A PICC catheter securement and pressure prevention device, characterized in that, The utility model relates to a kind of infusion set, including: First fitting part (100), inner side is used to be bonded with skin adhesion, and outer side is equipped with first limiting structure (110); Second fitting part (200), inner side is used to be bonded with skin adhesion, and outer side is equipped with hose guide structure (210), the hose guide structure (210) has hose guide groove (211), the hose guide structure (210) and hose guide groove (211) extend along arc, and the upper opening of the hose guide groove (211) is arranged, and the width of the upper opening of the hose guide groove (211) is less than the width of hose guide groove (211) middle part; Infusion connector (300) is cooperated with first limiting structure (110), to be limited by first limiting structure (110), one end of the infusion connector (300) is connected with extracorporeal hose (310), and the extracorporeal hose (310) is partially embedded in hose guide groove (211).
2. The PICC catheter compression prevention device of claim 1, wherein, The end of the extracorporeal hose (310) away from infusion connector (300) extends out of hose guide groove (211) and is equipped with protruding limiting block (311), and the limiting block (311) is used to be attached to the end wall of hose guide structure (210).
3. The PICC catheter compression prevention device of claim 1, wherein, The first limiting structure (110) is equipped with clamping groove (111) for embedding infusion connector (300), and the upper end of the clamping groove (111) has clamping entrance (112) for clamping entrance of infusion connector (300) into clamping groove (111).
4. The PICC catheter compression prevention device of claim 3, wherein, The peripheral wall of the infusion connector (300) is equipped with operating leaf (320), the first limiting structure (110) is spaced apart and provided with two, and the operating leaf (320) is clamped into two first limiting structures (110).
5. The PICC catheter compression prevention device of claim 1, wherein, The end of the extracorporeal hose (310) away from infusion connector (300) is used to connect needle (312), and the second fitting part (200) is equipped with avoiding opening (220) corresponding to needle (312).
6. The PICC catheter compression prevention device of claim 1, wherein, The extension path of the hose guide structure (210) and hose guide groove (211) is C-shaped.
7. The PICC catheter compression prevention device of claim 1, wherein, The outer side of the second fitting part (200) is equipped with cover sheet (230), and the cover sheet (230) is used to shield the part of the extracorporeal hose (310) close to infusion connector (300) and located outside hose guide groove (211).
8. The PICC catheter compression prevention device of claim 7, wherein, One end of the cover sheet (230) is connected with the outer side of the second fitting part (200), and the other end is separated from the second fitting part (200).
9. The PICC catheter compression prevention device of claim 1, wherein, The first fitting part (100) and first limiting structure (110) are integrally connected, and the second fitting part (200) and hose guide structure (210) are integrally connected.
10. The PICC catheter compression prevention device of claim 1, wherein, The first fitting part (100) and second fitting part (200) are made of polyvinyl chloride material.