CN221205893U - Central venous catheter protection fixing dressing - Google Patents

Abstract

The utility model provides a central venous catheter protective fixing dressing, which relates to the technical field of medical devices. The utility model covers the puncture point without tension through a hydrocolloid dressing part, thereby improving the connection stability between the catheter and the puncture point, and the hydrocolloid dressing part can effectively absorb the exudate at the puncture point to avoid overflow of the exudate; the transparent dressing part can shape and wrap the catheter along the outer contour of the catheter to effectively fix the catheter, and at the same time, the transparent dressing part is convenient for observing the puncture point and the state of the hydrocolloid dressing part, as well as measuring the exposed length of the catheter; the cotton pad part is arranged around the periphery of the transparent dressing part, which can absorb the overflowed exudate, avoid curling of the fixed dressing body, protect the skin, and prevent pressure sores; and, the outer peripheral surface of the exposed catheter is tightly covered by a slit, thereby reducing the gap between the catheter and the fixed dressing body, improving the stability of the connection between the catheter and the fixed dressing body, effectively avoiding catheter displacement, and further reducing the risk of infection.

Description

A central venous catheter protection and fixation dressing

Technical Field

The utility model relates to the technical field of medical devices, in particular to a central venous catheter protective fixing dressing.

Background technique

Central venous catheter (CVC) is a common drug delivery method for critically ill patients and cancer patients. This catheter placement method can significantly improve the pain caused by repeated punctures caused by long-term nutritional drugs or other drugs. In addition, this method of drug delivery can reduce the stimulation of high-concentration drugs such as irritants on patients' blood vessels, thereby improving the treatment effect on patients.

At present, most central venous catheters are fixed by using disposable medical dressings to fit and fix the puncture point and the front end of the catheter. This leads to the following technical problems: 1. The disposable medical dressing only fixes the front end of the catheter, which is prone to displacement, causing the disposable medical dressing to curl, making the disposable medical dressing ineffective in fixing the puncture point and the catheter, leading to infection, local exudation, tube displacement and dislocation and other adverse reactions in patients, which have a certain impact on the treatment effect; 2. Since the puncture point is prone to bleeding and exudation, the connection stability between the disposable medical dressing and the skin is poor, and the protective dressing needs to be replaced every few hours. Frequent dressing changes will undoubtedly increase the chance of catheter infection and cause serious complications; 3. Disposable medical dressings are mostly white, and the puncture point cannot be observed, so there are limitations in their use.

Utility Model Content

The purpose of the utility model is to provide a central venous catheter protection and fixation dressing to solve the technical problems existing in the prior art of unreasonable design of medical dressings for fixing central venous catheters, poor connection stability with the puncture point and the catheter, and inability to observe the puncture point. The preferred technical solutions among the many technical solutions provided by the utility model can produce many technical effects as described below.

In order to achieve the above purpose, the utility model provides the following technical solutions:

The utility model provides a central venous catheter protective fixing dressing, comprising a fixing dressing body, and a hydrocolloid dressing part, a transparent dressing part and a cotton pad part arranged on the sticky surface of the fixing dressing body, wherein the hydrocolloid dressing part covers the puncture point, the transparent dressing part is arranged around the periphery of the hydrocolloid dressing part, and the cotton pad part is arranged around the periphery of the transparent dressing part; a slit is arranged at one end of the fixing dressing body away from the hydrocolloid dressing part, and the catheter extends from the sticky surface of the fixing dressing body to the non-sticky surface through the slit.

Preferably, one end of the slit close to the hydrocolloid dressing portion is provided with a through hole matching the outer contour of the catheter, and the other end extends along the length direction of the fixed dressing body to the edge of the fixed dressing body;

Preferably, it further comprises an adhesive strip, wherein the adhesive strip is in multiple numbers and vertically attached to the incision, and a clamping and positioning channel for the catheter is formed between the adhesive strip and the non-adhesive surface of the fixed dressing body;

Preferably, the fixed dressing body is a square structure with smooth transitions at the four corners;

Preferably, it further comprises fixing wings, the number of which is two and which are symmetrically arranged on both sides of the fixing dressing body, the fixing wings having an adhesive surface that fits the skin and being arranged around the patient's insertion site;

Preferably, it further comprises a catheter fixing part, the adhesive surface of the catheter fixing part is attached to the non-adhesive surface of the fixed dressing body, and can cover the incision; the width of the catheter fixing part is greater than or equal to the width of the fixed dressing body;

Preferably, the catheter fixing portion is provided with an opening for the catheter to pass through;

Preferably, it further comprises a catheter receiving portion, which is arranged on the catheter fixing portion, has a catheter receiving cavity, the opening direction of the catheter receiving cavity faces the hydrocolloid dressing portion, and a transparent observation chamber is arranged on the outer surface of the catheter receiving portion.

The preferred technical solution of the utility model can also produce at least the following technical effects:

The utility model effectively avoids the technical problems of unreasonable design of medical dressing structure for fixing central venous catheter in the prior art, poor connection stability with puncture point and catheter, and inability to observe the situation of puncture point. The utility model covers the puncture point without tension by the hydrocolloid dressing part, thereby improving the connection stability between the catheter and the puncture point. The hydrocolloid dressing part can effectively absorb the exudate at the puncture point and avoid the exudate overflowing. The transparent dressing part can shape and wrap the catheter along the outer contour of the catheter, effectively fix the catheter, create a relatively sterile environment, isolate pollution, and avoid catheter-related bloodstream infection. At the same time, the transparent dressing part is convenient for observing the situation of the puncture point and the state of the hydrocolloid dressing part, and measuring the exposed length of the catheter. The cotton pad part is arranged around the periphery of the transparent dressing part, which can absorb the overflowed exudate, avoid curling of the fixed dressing body, protect the skin, and prevent pressure sores. Moreover, the outer peripheral surface of the exposed catheter is tightly covered by the slit, the gap between the catheter and the fixed dressing body is reduced, the stability of the connection between the catheter and the fixed dressing body is improved, the displacement of the catheter is effectively avoided, and the infection risk is further reduced.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

FIG1 is a schematic structural diagram of a central venous catheter protection and fixation dressing provided by the present invention;

FIG. 2 is a schematic structural diagram of another central venous catheter protection and fixation dressing provided by the present invention.

In the figure:

1-fixed dressing body; 2-hydrocolloid dressing part; 3-transparent dressing part; 4-cotton pad part; 5-cut; 6-through hole; 7-adhesive strip; 8-fixed wing; 9-catheter fixing part; 91-channel; 10-catheter storage part; 101-transparent observation chamber; 102-catheter storage cavity; 11-protective film.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Embodiment 1:

As shown in FIG1 , the utility model provides a central venous catheter protective fixed dressing, comprising a fixed dressing body 1, and a hydrocolloid dressing part 2, a transparent dressing part 3 and a cotton pad part 4 arranged on the sticky surface of the fixed dressing body 1, wherein the hydrocolloid dressing part 2 covers the puncture point. The transparent dressing part 3 is arranged around the periphery of the hydrocolloid dressing part 2, so that the puncture point and the catheter can be observed. The cotton pad part 4 is arranged around the periphery of the transparent dressing part 3, so that the exudate at the puncture point can be absorbed. A slit 5 is arranged at one end of the fixed dressing body 1 away from the hydrocolloid dressing part 2, and the catheter extends from the sticky surface of the fixed dressing body 1 to the non-sticky surface through the slit 5. The hydrocolloid dressing part 2 covers the puncture point without tension, thereby improving the connection stability between the catheter and the puncture point, and the hydrocolloid dressing part 2 can effectively absorb the exudate at the puncture point to prevent the exudate from overflowing. The transparent dressing part 3 can be shaped and wrapped along the outer contour of the catheter, effectively fixing the catheter, creating a relatively sterile environment, isolating pollution, and avoiding catheter-related bloodstream infection. At the same time, the transparent dressing part 3 is convenient for observing the puncture point and the state of the hydrocolloid dressing part 2, as well as measuring the exposed length of the catheter. The cotton pad part 4 is arranged around the periphery of the transparent dressing part 3, which can absorb the overflowing exudate, avoid curling of the fixed dressing body, protect the skin, and prevent pressure sores. Moreover, the outer peripheral surface of the exposed catheter is tightly covered by the slit 5, reducing the gap between the catheter and the fixed dressing body 1, improving the stability of the connection between the catheter and the fixed dressing body 1, effectively avoiding the displacement of the catheter, and further reducing the risk of infection.

As an optional embodiment, a through hole 6 matching the outer contour of the catheter is provided at one end of the slit 5 close to the hydrocolloid dressing part 2, and the other end extends along the length direction of the fixed dressing body 1 to the edge of the fixed dressing body 1. The inner wall of the through hole 6 fits the outer contour of the catheter, increasing the contact area between the through hole 6 and the catheter, further reducing the gap between the fixed dressing body 1 and the catheter, and achieving all-round fitting and fixing of the catheter.

As an optional embodiment, it further comprises adhesive strips 7, which are in multiple numbers and vertically attached to the slit 5, and a catheter clamping and positioning channel 91 is formed between the adhesive strips 7 and the non-adhesive surface of the fixed dressing body 1. The catheter extending from the through hole 6 is stably and firmly fixed on the non-adhesive surface of the fixed dressing body 1 by the adhesive strips 7, so as to avoid displacement of the exposed catheter part and cause curling of the fixed dressing body 1, thereby improving the fixing effect of the exposed catheter, extending the service life of the fixed dressing, and further reducing the risk of infection.

As an optional implementation, the dressing body 1 is fixed to a square structure with smooth transitions at the four corners. The square structure increases the contact area with the patient's skin and increases the connection stability. The four corners are rounded to avoid right angles that are too sharp to cause secondary injuries to the patient during the bonding or tearing process, thereby improving the comfort of use.

As an optional implementation, the non-sticky surface of the fixed dressing body 1 is a medical non-woven fabric surface, and the sticky surface is an acrylic adhesive surface, which has good viscosity and can adhere tightly to the patient's skin. It will not cause curling due to body fluids such as oil and sweat secreted by the pores of the skin. It has a soft texture and can be in contact with the skin for a long time. It is comfortable to use and not easy to cause allergies.

The material of the hydrocolloid dressing part 2 is medical hydrocolloid dressing, which is made by mixing elastic polymer hydrogel, synthetic rubber and adhesive. It has strong viscosity, so that the catheter can be tightly bonded to the puncture point, and the connection stability and reliability are high. Moreover, the hydrocolloid dressing will expand after absorbing the exudate, preventing the exudate from leaking into the transparent dressing part 3.

The material of the transparent dressing part 3 is a medical transparent dressing, which can be shaped along the outer contour of the catheter and wrapped around the catheter, effectively fixing the catheter, creating a relatively sterile environment, isolating contamination, and avoiding catheter-related bloodstream infection. At the same time, the condition of the puncture point, the condition of the catheter, and the state of the hydrocolloid dressing part 2 can be visually seen, making it convenient for medical staff to observe.

The cotton pad part 4 is made of a sterile absorbent cotton pad, which can absorb the overflowed exudate, avoid destroying the stickiness of the dressing body 1, and protect the skin to prevent pressure sores.

As an optional embodiment, it further includes fixing wings 8, the number of which is two and symmetrically arranged on both sides of the fixing dressing body 1, the fixing wings 8 have an adhesive surface that fits the skin and are arranged around the patient's insertion site, such as the neck, thigh side or upper arm, etc., to improve the adhesion stability between the fixing dressing body 1 and the insertion site. The free ends of the fixing wings 8 partially overlap, which improves the adhesion stability between the fixing wings 8 and the patient's skin.

The non-sticky surface of the fixing wing 8 is a polyester cotton cloth surface, and the sticky surface is a medical pressure-sensitive adhesive surface. By lightly pressurizing the fixing wing 8 and applying pressure, the fixing wing 8 can be effectively bonded to the implanted part, and the bonding and tearing operations are convenient.

As an optional implementation, protective films 11 are respectively attached to the sticky surfaces of the fixed dressing body 1, the hydrocolloid dressing part 2, the transparent dressing part 3, the adhesive strip 7 and the fixed wing 8 to prevent dust contamination and maintain the stickiness of the sticky surface.

Embodiment 2:

The difference between this embodiment 2 and embodiment 1 is that, as shown in FIG2 , it further includes a catheter fixing portion 9, the adhesive surface of which is attached to the non-adhesive surface of the fixed dressing body 1, and can cover the slit 5. The catheter extending from the through hole 6 is further limited and fixed by the catheter fixing portion 9, so that the catheter is stably and firmly fixed on the non-adhesive surface of the fixed dressing body 1. The width of the catheter fixing portion 9 is greater than or equal to the width of the fixed dressing body 1, and the catheter fixing portion 9 can effectively cover the edge of the fixed dressing body 1, avoid curling of the fixed dressing body 1, and improve the adhesion stability between the fixed dressing body 1 and the skin.

The non-sticky surface of the catheter fixing part 9 is a polyester fiber cotton cloth surface, and the sticky surface is a medical pressure-sensitive adhesive surface. By slightly pressurizing the catheter fixing part 9 and applying pressure, the catheter fixing part 9 and the fixing dressing body 1 can be effectively bonded, and the bonding and tearing operations are convenient.

A protective film is attached to the sticky surface of the catheter fixing portion 9 to prevent dust pollution and maintain the stickiness of the sticky surface.

As an optional implementation, a channel 91 for the exposed catheter to pass through is opened on the catheter fixing portion 9, and the end of the channel 91 away from the through hole 6 has a curved surface that fits the lower contour of the catheter, ensuring the fitting and fixing effect of the catheter and effectively preventing the catheter from shifting.

As an optional embodiment, it also includes a catheter storage part 10, which is arranged on the catheter fixing part 9. The catheter storage part 10 has a catheter storage cavity 102, and the opening direction of the catheter storage cavity 102 is toward the hydrocolloid dressing part 2. After use, the exposed catheter is stored in the catheter storage cavity 102, and the exposed catheter is effectively fixed so that the catheter is not exposed to the outside at will, which plays a certain protective role on the exposed catheter and reduces the risk of contamination. The outer surface of the catheter storage part 10 is provided with a transparent observation room 101, which can intuitively see the condition of the catheter, which is convenient for observation and evaluation. It is particularly suitable for tumor patients who need long-term catheter indwelling regular chemotherapy. The catheter storage part 10 provides a function for the exposed catheter, prolongs the service life of the catheter, and increases the retention time of the catheter.

It can be understood that the same or similar parts of the above embodiments can refer to each other, and the content not described in detail in some embodiments can refer to the same or similar content in other embodiments.

In the description of the present utility model, it should be noted that, unless otherwise specified, "multiple" means two or more; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying 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 limiting the present utility model. In addition, the terms "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "an example" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims (8)

1. A central venous catheter protective fixing dressing, characterized in that it comprises a fixing dressing body, and a hydrocolloid dressing part, a transparent dressing part and a cotton pad part arranged on the sticky surface of the fixing dressing body, wherein the hydrocolloid dressing part covers the puncture point, the transparent dressing part is arranged around the periphery of the hydrocolloid dressing part, and the cotton pad part is arranged around the periphery of the transparent dressing part; a slit is arranged at one end of the fixing dressing body away from the hydrocolloid dressing part, and the catheter extends from the sticky surface of the fixing dressing body to the non-sticky surface through the slit. 2. A central venous catheter protective fixation dressing according to claim 1, characterized in that one end of the slit close to the hydrocolloid dressing part is provided with a through hole matching the outer contour of the catheter, and the other end extends along the length direction of the fixation dressing body to the edge of the fixation dressing body. 3. A central venous catheter protective fixation dressing according to claim 1, characterized in that it also includes an adhesive strip, wherein the number of the adhesive strips is multiple and they are vertically attached to the incision, and a clamping and positioning channel for the catheter is formed between the adhesive strip and the non-adhesive surface of the fixing dressing body. 4. A central venous catheter protection and fixation dressing according to claim 1, characterized in that the fixing dressing body is a square structure with smooth transitions at the four corners. 5. A central venous catheter protective fixation dressing according to claim 1, characterized in that it also includes fixing wings, wherein the number of the fixing wings is two and they are symmetrically arranged on both sides of the fixing dressing body, the fixing wings have an adhesive surface that fits the skin and are arranged around the patient's insertion site. 6. A central venous catheter protective fixation dressing according to claim 1, characterized in that it also includes a catheter fixing part, the sticky surface of the catheter fixing part is attached to the non-sticky surface of the fixing dressing body and can cover the incision; the width of the catheter fixing part is greater than or equal to the width of the fixing dressing body. 7. A central venous catheter protection and fixation dressing according to claim 6, characterized in that an opening for the catheter to pass through is provided on the catheter fixing portion. 8. A central venous catheter protective fixation dressing according to claim 6, characterized in that it also includes a catheter receiving portion, the catheter receiving portion is arranged on the catheter fixing portion, the catheter receiving portion has a catheter receiving cavity, the opening direction of the catheter receiving cavity is toward the hydrocolloid dressing portion, and the outer surface of the catheter receiving portion is provided with a transparent observation chamber.