CN212522577U

CN212522577U - Fixing device of dark ductus venosus

Info

Publication number: CN212522577U
Application number: CN202020267217.XU
Authority: CN
Inventors: 李玉婷; 邵翔
Original assignee: Suzhou Kowloon Hospital Co ltd
Current assignee: Suzhou Kowloon Hospital Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2021-02-12
Anticipated expiration: 2030-03-06

Abstract

The utility model provides a fixing device of a deep venous catheter, which comprises an upper protective layer, a working layer, a lower protective layer and a catheter hole arranged in the middle of the upper surface of the fixing device of the deep venous catheter, wherein the catheter hole passes through the upper protective layer, the working layer and the lower protective layer from top to bottom, and the catheter hole can accommodate a catheter to be placed in the catheter hole; the skin side non-woven fabric layer and the catheter side non-woven fabric layer are arranged, when the catheter is pulled, force is transmitted to the joint of the skin side non-woven fabric layer and the catheter side non-woven fabric layer, and discomfort such as bleeding and pain caused by pulling of the skin outlet of the catheter is avoided. Most of the catheter is positioned in the absorption layer, and a small part of the catheter is in contact with the adhesion layer, so that the adhesion of dirt on the surface of the catheter caused by the adhesion layer can be prevented, and the infection can be prevented.

Description

Fixing device of dark ductus venosus

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a fixing device of dark ductus venosus.

Background

In emergency treatment and clinical rescue, a deep venous catheter is an indispensable important tool, the puncture part of the deep venous catheter can be selected from femoral vein, subclavian vein or internal jugular vein, the deep venous catheter is mainly used for continuously or intermittently carrying out venous transfusion, monitoring central venous pressure, central venous nutrition infusion, infusing hypertonic or irritant solution, blood transfusion or blood sample collection for patients, the application scene is wide, for example, patients who need to repeatedly use chemotherapy drugs intravenously in peripheral vascular conditions and cannot establish a shallow venous indwelling needle, or chemotherapy such as tumors and the like, acute and chronic renal failure, and patients who need to select the deep venous catheter for hemodialysis.

Due to the important function of the deep venous catheter, researchers have conducted a great deal of research on the deep venous catheter and achieved a lot of results, and the currently common fixing methods of the deep venous catheter include the following two methods:

one of the methods is to tightly attach the free end of the catheter to the skin at the far end, and then fix the catheter on the skin by using a sterile application, but the application cannot be sealed due to the existence of the catheter, so that microorganisms such as bacteria and the like pollute a puncture point from a gap between the application and the catheter to cause infection.

The other is that the catheter is placed to the middle round hole from the seam, but the seam of the application cannot be completely sealed, so that the entry of pollutants such as bacteria and the like cannot be effectively prevented; 2. the position where the catheter passes out of the application lacks effective coverage, and can not effectively prevent pollutants such as bacteria and the like from entering.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that the deep venous catheter among the prior art can't effectively block pollutants such as bacterium when using and get into.

In order to solve the technical problem, the utility model provides a technical scheme does:

the utility model discloses a dark ductus venosus fixing device includes: the device comprises an upper protective layer, a working layer, a lower protective layer and a conduit hole arranged in the middle of the upper surface of the deep venous conduit fixing device, wherein the conduit hole penetrates through the upper protective layer, the working layer and the lower protective layer from top to bottom, and a conduit can be placed in the conduit hole;

the upper surface of working layer from bottom to top is provided with pipe side non-woven fabrics layer, last adhesion layer and last absorbed layer respectively, the lower surface of working layer from top to bottom is provided with skin side non-woven fabrics layer, adhesion layer and lower absorbed layer down respectively, go up the absorbed layer with the sponge is preferred to the absorbed layer down.

A cutting slit is provided from an edge of the catheter hole to an edge of one end, and a catheter is placed into the catheter hole through the cutting slit, wherein the catheter-side nonwoven fabric layer and the skin-side nonwoven fabric layer are joined at a middle portion.

As used herein, "upper" refers to the side of the deep intravenous catheter securement device that is distal to the skin when the device is applied to the skin surface, and "lower" refers to the side of the deep intravenous catheter securement device that is adjacent to the skin when the device is applied to the skin surface.

Compared with the prior art, the utility model has the advantages of: the skin side non-woven fabric layer and the catheter side non-woven fabric layer are arranged, when the catheter is pulled, force is transmitted to the joint of the skin side non-woven fabric layer and the catheter side non-woven fabric layer, and discomfort such as bleeding and pain caused by pulling of the skin outlet of the catheter is avoided. Most of the catheter is positioned in the absorption layer, and a small part of the catheter is in contact with the adhesion layer, so that the adhesion of dirt on the surface of the catheter caused by the adhesion layer can be prevented, and the infection can be prevented.

Drawings

The present invention will be described in more detail hereinafter based on embodiments and with reference to the accompanying drawings. Wherein:

fig. 1 is a cross-sectional view of a deep intravenous catheter securement device of the present invention.

FIG. 2 is the top surface of the working layer after the top protective layer is removed;

FIG. 3 is the lower surface of the working layer after the lower protective layer is removed;

the reference numerals in the figures denote:

10. an upper protective layer; 20. a working layer; 30. a lower protective layer; 40. a conduit aperture; 50. cutting a slot; 21. a catheter-side nonwoven fabric layer; 22. an upper adhesion layer; 23. an upper absorbent layer; 24. a skin-side nonwoven fabric layer; 25. a lower adhesive layer; 26. a lower absorbent layer.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Referring to fig. 1-3, the deep venous catheter securement device of the present invention comprises: the device comprises an upper protective layer (10), a working layer (20) and a lower protective layer (30), wherein a catheter can be contained in the catheter hole (40), a catheter hole (40) is formed in the middle of the upper surface of the deep venous catheter fixing device, and the catheter hole (40) penetrates through the upper protective layer (10), the working layer (20) and the lower protective layer (30) from top to bottom.

The upper surface of working layer (20) is provided with pipe side non-woven fabrics layer (21), upper adhesion layer (22) and upper absorbing layer (23) from bottom to top respectively, the lower surface of working layer (20) is provided with skin side non-woven fabrics layer (24), lower adhesion layer (25) and lower absorbing layer (26) from top to bottom respectively, upper absorbing layer (23) with lower absorbing layer (25) preferred is the sponge.

A slit (50) is provided from the edge of the catheter hole (40) to one end edge, and a catheter is placed into the catheter hole (40) through the slit (50), wherein the catheter-side nonwoven fabric layer (21) is joined to the skin-side nonwoven fabric layer (24) at a middle portion.

The utility model is different from the prior application in that a catheter side non-woven fabric layer (21) and a skin side non-woven fabric layer (24) are arranged, in the using process, a catheter is firstly placed at the position of a catheter hole (40) along a cutting seam (50), the free end of the catheter is ensured to be positioned at the B side of the device, a lower protective layer (30) is removed, the skin side non-woven fabric (24) is tightly pasted on the skin, the lower absorption layer (26) of the skin side non-woven fabric (24) can absorb the incision seepage to prevent infection, the upper protective layer (10) is removed, the catheter and the long axis of an upper absorption layer (23) are placed on the catheter side non-woven fabric (21) in parallel, the A end of the catheter side non-woven fabric (21) is reversely folded towards the B end, the catheter is tightly connected with the B end through an upper adhesion layer (22), the catheter is placed in a sealed space formed after being reversely folded, the upper absorption layer (23) can absorb the seepage seeped along the, the catheter side non-woven fabric layer (21) and the skin side non-woven fabric layer (24) are in free structures close to the end B, and the purpose is mainly that the catheter can be prevented from being lifted upwards in the using process and being pulled to cause unstable adhesion between the skin side non-woven fabric layer and the skin, so that bacteria enter and pollute the catheter; secondly, when the catheter is pulled in the use process, force is transmitted to the connecting part of the skin side non-woven fabric layer and the catheter side non-woven fabric layer, discomfort such as bleeding and pain caused by pulling at the skin outlet of the catheter can not be caused, most of the catheter is positioned in the absorption layer, and a small part of the catheter is in contact with the adhesion layer, so that the surface of the catheter is prevented from being adhered with dirt caused by the adhesion layer, and infection is prevented.

In this context, "upper" means the side of the deep intravenous catheter securement device that is away from the skin when it is applied to the skin surface, and "lower" means the side of the deep intravenous catheter securement device that is against the skin when it is applied to the skin surface.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. The foregoing description is not intended to be exhaustive or to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable others skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications thereof. It is intended that the scope of the invention be defined by the following claims and their equivalents.

Claims

1. A fixing device of a deep venous catheter comprises an upper protective layer (10), a working layer (20), a lower protective layer (30) and a catheter hole (40), wherein the catheter hole (40) penetrates through the upper protective layer (10), the working layer (20) and the lower protective layer (30) from top to bottom,

a cutting seam (50) is arranged from the edge of the conduit hole (40) to one end edge, and a conduit is placed into the conduit hole (40) through the cutting seam (50).

2. The fastening device according to claim 1, wherein the upper surface of the working layer (20) is provided with a catheter side non-woven fabric layer (21), an upper adhesive layer (22) and an upper absorbent layer (23), respectively, from bottom to top, and the lower surface of the working layer (20) is provided with a skin side non-woven fabric layer (24), a lower adhesive layer (25) and a lower absorbent layer (26), respectively, from top to bottom, wherein the catheter side non-woven fabric layer (21) and the skin side non-woven fabric layer (24) are joined at a middle portion.

3. A fixation device according to claim 2, wherein the upper absorbent layer (23) and the lower absorbent layer (26) are sponges.