Waterproof protective film for venous indwelling catheter
By designing a waterproof protective film, using a transparent E-PTFE membrane and a double-sealing structure, the problem of reduced adhesion and infection risk of intravenous catheters due to water contact in daily life is solved, and the sealing performance and patient comfort and compliance are improved.
Patent Information
- Application Number
- CN202422443228.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-10-10
AI Technical Summary
In daily life, existing intravenous catheters are easily exposed to water, which can lead to reduced adhesion of the fixed dressing, catheter detachment and infection risks. In addition, the existing protective measures have poor sealing effects, affecting patient comfort and compliance.
A waterproof protective film is designed, which uses a transparent E-PTFE membrane. It is larger than the fixed dressing and catheter and is equipped with a waterproof adhesive, a water-absorbing part and a removable dust-proof part. It protects the catheter through a double seal and water-absorbing structure to prevent moisture from entering.
It improves the sealing of fixed dressings and catheters, reduces the risk of water contamination and infection, and improves patient comfort and compliance.
Smart Images

Figure CN223392590U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical protective films, in particular to a waterproof protective film for intravenous indwelling catheters. Background Art
[0002] For the safety of intravenous infusion, various indwelling venous access routes are commonly used in clinical practice, including PICC, CVC medium-length catheters and indwelling needles. These catheters are fixed to the patient by a fixation dressing during the indwelling process. If the catheterization site is not protected during daily life, such as when the patient takes a bath or washes hands, the fixation dressing will get wet, reducing the stickiness of the fixation dressing and increasing the risk of catheter detachment or even infection.
[0003] To reduce the possibility of water ingress, patients will use plastic wrap or plastic bags to wrap the catheter site, or wear waterproof sleeves to separate the fixed dressing from the water flow. However, whether it is plastic wrap, plastic bags or waterproof sleeves, the sealing effect is poor, and patients need to be careful when taking a bath, resulting in a poor user experience and decreased patient compliance.
[0004] Therefore, there is a need for a waterproof protective film for intravenous catheters that can protect the fixed dressing and catheter in the protective film, reduce the risk of the fixed dressing getting wet, the catheter falling off or even getting infected, and improve the comfort and compliance of catheterized patients. Utility Model Content
[0005] One purpose of the present utility model is to provide a waterproof protective film for intravenous indwelling catheters, which can protect the fixed dressing and the catheter in the protective film, reduce the risk of the fixed dressing getting wet, the catheter falling off or even getting infected, and improve the comfort and compliance of the catheterized patients.
[0006] The present application provides a waterproof protective film for an indwelling intravenous catheter using the following technical solutions:
[0007] The waterproof protective film for an indwelling intravenous catheter according to the present invention comprises:
[0008] A waterproof protective film, the size of which is larger than the size of the fixed dressing and the catheter as a whole, and both sides of the waterproof protective film are non-sticky;
[0009] A waterproof adhesive member, the waterproof adhesive member is provided on a side of the waterproof protective film close to the patient's skin, and the waterproof adhesive member is provided around the peripheral side of the waterproof protective film;
[0010] A dustproof member, the dustproof member is arranged on a side of the waterproof adhesive member away from the waterproof protective film, the dustproof member covers the waterproof adhesive member, and the dustproof member and the waterproof adhesive member are detachably connected;
[0011] A tearing piece is provided on a side of the waterproof protective film away from the waterproof adhesive, the tearing piece is provided at one end of the waterproof protective film in the length direction, one end of the tearing piece is fixed to the waterproof protective film, and the other end of the tearing piece is separated from the waterproof protective film.
[0012] Preferably, a water absorbing component is further provided on the side of the waterproof protective film close to the patient's skin. The water absorbing component is arranged around the peripheral side of the waterproof protective film and is arranged on the inner side of the waterproof adhesive component.
[0013] Preferably, the water absorbing component is arranged close to the waterproof adhesive component.
[0014] Preferably, the dustproof part includes two unit dustproof films, which are arranged along the width direction of the waterproof protective film. The two unit dustproof films are seamlessly spliced together, and the two unit dustproof films completely cover the waterproof protective film after splicing.
[0015] Preferably, the portion of the tearing piece that is separated from the waterproof protective film extends out of the waterproof protective film.
[0016] Preferably, the two corners of the waterproof protective film provided with one end of the tearing piece in the length direction are arranged in an arc shape, and the ends of the two arc-shaped corners close to each other extend to both ends of the tearing piece in the length direction;
[0017] Two corners of the waterproof protective film in the length direction away from one end of the tearing piece are rounded.
[0018] Preferably, the waterproof protective film and the tear-off piece are both made of E-PTFE film.
[0019] Preferably, the waterproof adhesive member is a medical waterproof double-sided tape, one side of the waterproof adhesive member is fixed to the waterproof protective film, and the other side of the waterproof adhesive member is bonded to the patient's skin.
[0020] Preferably, the dustproof piece is made of release paper.
[0021] Preferably, the water-absorbing member is a water-absorbing cotton strip.
[0022] In summary, this application has the following beneficial technical effects:
[0023] According to the waterproof protective film for intravenous indwelling catheters according to the embodiment of the utility model, by adopting the above-mentioned technical solution, the waterproof protective film is covered with the fixed dressing and the catheter, first a piece of the unit dustproof film is torn off to position the waterproof protective film and stick it on the patient's skin, and then the other piece of the unit dustproof film is torn off, and the entire waterproof protective film is tightly attached to the patient's skin. Since the waterproof adhesive is a waterproof double-sided tape and is arranged around the lateral side of the waterproof protective film, the sealing between the waterproof protective film and the skin is improved. Under the action of the water absorbent component absorbing water, the possibility of moisture entering the interior of the waterproof protective film is further reduced, so that the fixed dressing and the catheter can be protected in the protective film, reducing the risk of the fixed dressing getting wet, the catheter falling off or even infection. Since the size of the waterproof protective film is larger than the overall size of the fixed dressing and the catheter, and the E-PTFE membrane is both waterproof and breathable, the comfort and compliance of the catheterized patients are improved.
[0024] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.
[0026] Figure 1 This is a schematic diagram of the overall structure of a waterproof protective film for an intravenous catheter in an embodiment of the present application, and this perspective is a top-down perspective.
[0027] Figure 2 This is a schematic diagram of the overall structure of a waterproof protective film for an intravenous catheter in an embodiment of the present application, and this perspective is an upward perspective.
[0028] Figure 3 This is a schematic diagram of the structure of the water absorbent component displayed behind the hidden unit dust-proof film in an embodiment of the present application.
[0029] Reference numerals:
[0030] 1. Waterproof protective film; 2. Waterproof adhesive; 3. Dustproof parts; 31. Unit dustproof film; 4. Tear-off parts; 5. Water-absorbing parts. DETAILED DESCRIPTION
[0031] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention.
[0032] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present invention, its application, or uses.
[0033] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.
[0034] In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.
[0035] It should be noted that like reference numerals and letters refer to like items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.
[0036] In the specification and claims of this utility model, references to features using the terms "first" or "second" may explicitly or implicitly include one or more of these features. In the description of this utility model, unless otherwise specified, "plurality" means two or more. Furthermore, in the specification and claims, "and / or" refers to at least one of the connected items, and the character " / " generally indicates an "or" relationship between the connected items.
[0037] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0038] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they can refer to fixed connections, removable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediary; and internal connections between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.
[0039] The waterproof protective film for an indwelling intravenous catheter according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
[0040] Reference Figure 1-3 The waterproof protective film for intravenous indwelling catheters includes a waterproof protective film 1, a waterproof adhesive 2, a dustproof part 3, and a tear-off part 4. The size of the waterproof protective film 1 is larger than the overall size of the fixed dressing and the catheter. The waterproof protective film 1 can be set to different sizes according to the covered object and the covered area. For example, when used for a central venous catheter, the waterproof protective film 1 has a width of 30 cm and a length of 30 cm. When used for an indwelling needle, the waterproof protective film 1 has a width of 10 cm and a length of 15 cm.
[0041] Both sides of the waterproof protective film 1 are non-sticky. The waterproof protective film 1 adopts a transparent E-PTFE film, which is both waterproof and breathable, thereby improving the comfort and compliance of the patients undergoing catheterization.
[0042] The waterproof adhesive 2 is arranged on the side of the waterproof protective film 1 close to the patient's skin. The waterproof adhesive 2 is arranged around the peripheral side of the waterproof protective film 1. The waterproof adhesive 2 adopts medical waterproof double-sided tape. One side of the waterproof adhesive 2 is fixed to the waterproof protective film 1, and the other side of the waterproof adhesive 2 is bonded to the patient's skin, so that the entire waterproof protective film 1 is tightly attached to the patient's skin, improving the sealing between the waterproof protective film 1 and the skin, and reducing the possibility of moisture entering the inside of the waterproof protective film 1.
[0043] The side of the waterproof protective film 1 close to the patient's skin is also provided with a water-absorbing component 5. The water-absorbing component 5 is arranged around the peripheral side of the waterproof protective film 1 and is arranged on the inner side of the waterproof adhesive component 2. The water-absorbing component 5 adopts a water-absorbing cotton strip. Under the action of the water-absorbing component 5 absorbing water, the possibility of moisture entering the interior of the waterproof protective film 1 is further reduced.
[0044] Under the double waterproof sealing effect of the waterproof adhesive component 2 and the water absorbing component 5, the fixed dressing and the catheter can be protected in the protective film, reducing the risk of the fixed dressing getting wet, the catheter falling off, or even infection.
[0045] The dustproof part 3 is arranged on the side of the waterproof adhesive part 2 away from the waterproof protective film 1. The dustproof part 3 covers the waterproof adhesive part 2. The dustproof part 3 is detachably connected to the waterproof adhesive part 2. The dustproof part 3 uses release paper. The dustproof part 3 plays a dustproof protection role for the waterproof adhesive part 2 and the waterproof protective film 1.
[0046] The dustproof member 3 comprises two unitary dustproof films 31, which are arranged along the width of the waterproof protective film 1. The two unitary dustproof films 31 are seamlessly joined together, completely covering the waterproof protective film 1. First, remove one unitary dustproof film 31 to facilitate positioning of the waterproof protective film 1. Then, remove the other unitary dustproof film 31 to securely adhere the entire waterproof protective film 1 to the patient's skin.
[0047] The tear-off piece 4 is disposed on a side of the waterproof protective film 1 that is away from the waterproof adhesive 2. The tear-off piece 4 is disposed at one end of the waterproof protective film 1 in the longitudinal direction. One end of the tear-off piece 4 is fixed to the waterproof protective film 1, and the other end of the tear-off piece 4 is separated from the waterproof protective film 1. The portion of the tear-off piece 4 that is separated from the waterproof protective film 1 extends outside the waterproof protective film 1, making it easier to tear off the waterproof protective film 1 through the tear-off piece 4.
[0048] The two corners of the tearing piece 4 at one end of the waterproof protective film 1 in the length direction are arranged in an arc shape, and the ends of the two arc-shaped corners close to each other extend to the two ends of the tearing piece 4 in the length direction, which makes it easier for the waterproof protective film 1 to bear force and enables the waterproof protective film 1 to be torn more smoothly.
[0049] The two corners of the waterproof protective film 1 away from the tearing piece 4 in the length direction are rounded, and the corners of the waterproof adhesive 2 are consistent with the corners of the waterproof protective film 1, so that the corners of the unit dustproof film 31 are exposed outside the waterproof adhesive 2, making it easy to tear off the unit dustproof film 31.
[0050] The implementation principle of a waterproof protective film for an indwelling intravenous catheter in the embodiment of the present application is as follows:
[0051] Cover the fixed dressing and catheter with the waterproof protective film, first tear off a piece of unit dustproof film 31 to position the waterproof protective film and stick it on the patient's skin, then tear off the other piece of unit dustproof film 31, and fit the entire waterproof protective film 1 tightly on the patient's skin, protecting the fixed dressing and catheter in the protective film, reducing the risk of the fixed dressing getting wet, the catheter falling off or even infection, and improving the comfort and compliance of the catheterized patients.
[0052] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.
Claims
1. A waterproof protective film for an intravenous catheter, characterized in that: include: A waterproof protective film (1), wherein the size of the waterproof protective film (1) is larger than the size of the fixed patch and the catheter as a whole, and both sides of the waterproof protective film (1) are non-sticky; A waterproof adhesive component (2), the waterproof adhesive component (2) being arranged on a side of the waterproof protective film (1) close to the patient's skin, and the waterproof adhesive component (2) being arranged around the peripheral side of the waterproof protective film (1); A dustproof member (3), the dustproof member (3) being arranged on a side of the waterproof adhesive member (2) away from the waterproof protective film (1), the dustproof member (3) covering the waterproof adhesive member (2), and the dustproof member (3) being detachably connected to the waterproof adhesive member (2); A tearing piece (4), the tearing piece (4) is arranged on a side of the waterproof protective film (1) away from the waterproof adhesive piece (2), the tearing piece (4) is arranged at one end of the waterproof protective film (1) in the length direction, one end of the tearing piece (4) is fixed to the waterproof protective film (1), and the other end of the tearing piece (4) is separated from the waterproof protective film (1).
2. The waterproof protective film for an indwelling intravenous catheter according to claim 1, characterized in that: The side of the waterproof protective film (1) close to the patient's skin is also provided with a water absorbing component (5), the water absorbing component (5) is arranged around the peripheral side of the waterproof protective film (1), and the water absorbing component (5) is arranged on the inner side of the waterproof adhesive component (2).
3. The waterproof protective film for an indwelling intravenous catheter according to claim 2, characterized in that: The water absorbing component (5) is arranged close to the waterproof adhesive component (2).
4. The waterproof protective film for an indwelling intravenous catheter according to claim 1, characterized in that: The dustproof part (3) comprises two unit dustproof films (31), the two unit dustproof films (31) are arranged along the width direction of the waterproof protective film (1), the two unit dustproof films (31) are seamlessly spliced together, and the two unit dustproof films (31) completely cover the waterproof protective film (1) after being spliced together.
5. The waterproof protective film for an indwelling intravenous catheter according to claim 4, characterized in that: The portion of the tearing piece (4) that is separated from the waterproof protective film (1) extends out of the waterproof protective film (1).
6. The waterproof protective film for an indwelling intravenous catheter according to claim 1, characterized in that: The waterproof protective film (1) is provided with two arc-shaped corners at one end of the tearing piece (4) in the length direction, and the ends of the two arc-shaped corners close to each other extend to both ends of the tearing piece (4) in the length direction; The two corners of the waterproof protective film (1) in the length direction away from one end of the tearing piece (4) are rounded.
7. The waterproof protective film for an indwelling intravenous catheter according to claim 1, characterized in that: The waterproof protective film (1) and the tear-off piece (4) are both made of E-PTFE film.
8. The waterproof protective film for an indwelling intravenous catheter according to claim 1, characterized in that: The waterproof adhesive component (2) is a medical waterproof double-sided tape; one side of the waterproof adhesive component (2) is fixed to the waterproof protective film (1), and the other side of the waterproof adhesive component (2) is bonded to the patient's skin.
9. The waterproof protective film for an indwelling intravenous catheter according to claim 1, characterized in that: The dustproof part (3) is made of release paper.
10. The waterproof protective film for an indwelling intravenous catheter according to claim 2, characterized in that: The water absorbing member (5) is a water absorbing cotton strip.