CN219355039U

CN219355039U - PICC catheter special for tunnel

Info

Publication number: CN219355039U
Application number: CN202320468662.6U
Authority: CN
Inventors: 沈艳芬
Original assignee: Beijing Cancer Hospital
Current assignee: Beijing Cancer Hospital
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-07-18
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a PICC catheter special for a tunnel, which relates to the field of medical auxiliary instruments and comprises a PICC catheter body, wherein the PICC catheter body comprises a catheter body, the outer side wall at the left end of the catheter body is provided with a catheter zero scale, the left end of the catheter body is communicated with an extension tube, an air bag water injection layer is arranged in an interlayer of the catheter body and the extension tube, the outer side wall of the catheter body is fixedly connected with two air bags communicated with the air bag water injection layer, the outer side wall of the catheter body is fixedly connected with two connecting inflation tubes communicated with the air bag water injection layer, the outer side wall at the joint of the connecting inflation tubes and the extension tube is fixedly connected with a fixing wing, the catheter zero scale is positioned between the fixing wing and the air bags, the outer side walls at the other ends of the extension tube and the connecting inflation tubes are fixedly connected with control valves, after the catheter is successfully placed in the air bags, the air bags are inflated subcutaneously, puncture points are blocked, the catheter is fixed in the puncture points, the skin is not easy to slide, and risks that the catheter is pulled out and slides into a body are reduced.

Description

PICC catheter special for tunnel

Technical Field

The utility model relates to the field of medical auxiliary instruments, in particular to a PICC catheter special for a tunnel.

Background

PICC catheters are "catheters that are placed into the central vein via peripheral venipuncture". The PICC catheter is a thin, flexible intravenous infusion catheter that is placed through the veins of the elbow or upper arm of the arm and then advanced along the veins to ultimately reach the large blood vessels near the heart.

Tunnel PICC refers to a new technique for placement of a central venous catheter through a peripheral vein, and differs from conventional PICC in that: by establishing a subcutaneous tunnel with a vascular puncture site at a distance from the catheter exit and transferring the catheter exit to a more suitable and advantageous location, the use of tunnel PICC implantation techniques generally reduces thrombosis.

PICC pipe provides the critical tool of intravenous transfusion treatment for long-term infusion patient, but often can appear the pipe and deviate from the internal problem after keeping somewhere for a long time, need use the viscidity dressing to fix, many patients can appear reasons such as dressing allergy or dressing viscidity are poor and lead to the pipe often to slip at the puncture point, increase the risk of infection with the bacterium of skin, also can increase the risk that the pipe deviate from, after the pipe deviate from, take place the pipe easily and block up, thrombus, phlebitis, complications such as liquid extravasation, lead to infusion treatment interruption, bring painful and economic loss for the patient.

Disclosure of Invention

The utility model aims to provide a PICC catheter special for a tunnel, which is convenient for blocking a puncture point, is convenient for fixing the catheter in the skin of the puncture point and ensures that the catheter is not easy to slide.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a special PICC pipe in tunnel, includes the PICC pipe body, the PICC pipe body includes the pipe body, the lateral wall of pipe body left end is provided with the zero scale of pipe, the left end intercommunication of pipe body has the extension pipe, the gasbag water injection layer has been seted up to the intermediate layer inside of pipe body and extension pipe, the lateral wall fixedly connected with of pipe body two air bags with gasbag water injection layer intercommunication, the lateral wall fixedly connected with of pipe body fills the pipe with the connection of gasbag water injection layer intercommunication, the lateral wall fixedly connected with fixed wing of connection inflation pipe and extension pipe junction, the zero scale of pipe is located between fixed wing and the air bag, the other end intercommunication of extension pipe has the infusion connector, the other end intercommunication of connection inflation pipe has the gasbag to aerify the check valve.

To prevent the catheter body from falling out, the tunnel of the utility modelThe PICC catheter special for the tract is preferable, and the volume of the balloon is 2mm ³ 。

In order to be able to block the puncture site, it is preferable that the distance between the zero graduation of the catheter and the balloon is 0.2 to 0.5cm as the tunnel-dedicated PICC catheter of the present utility model.

The special inflation inlet and the transfusion connection port of the air sac are composed of a main valve and a side valve film

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, after the catheter body is put into the skin, the catheter body does not directly enter the blood vessel, a subcutaneous tunnel is firstly established, an air sac (and a special passage design for the air sac) is additionally arranged at the subcutaneous tunnel, after the catheter body is put into the skin successfully, the air sac is flushed outside the body, so that the air sac is bulged under the skin to block the puncture point, the catheter is fixed in the skin of the puncture point and is not easy to slide, and the risks of the catheter falling out and sliding into the body are reduced.

Drawings

FIG. 1 is a schematic diagram of the overall elevation of a tunnel-dedicated PICC catheter of the present utility model;

FIG. 2 is a schematic block diagram of the catheter body entry of the present utility model;

FIG. 3 is a structural view of an air bag water injection layer and an air bag according to the present utility model;

fig. 4 is a structural view of an infusion connection port according to the present utility model.

In the figure: 1. PICC catheter body; 101. a catheter body; 102. zero graduation of the catheter; 103. an extension tube; 104. an air bag water injection layer; 105. an air bag; 106. a fixed wing; 107. connecting a filling pipe; 108. an air bag inflation one-way valve; 109. an infusion connection port; 1091. a main valve; 1092. a secondary valve.

Detailed Description

Referring to fig. 1 to 4, the PICC catheter special for tunnel comprises a PICC catheter body 1, the PICC catheter body 1 comprises a catheter body 101, a catheter zero scale 102 is arranged on the outer side wall of the left end of the catheter body 101, an extension tube 103 is communicated with the left end of the catheter body 101, an air bag water filling layer 104 is arranged in an interlayer of the catheter body 101 and the extension tube 103, two air bags 105 communicated with the air bag water filling layer 104 are fixedly connected to the outer side wall of the catheter body 101, two connecting inflation tubes 107 communicated with the air bag water filling layer 104 are fixedly connected to the outer side wall of the catheter body 101, a fixing wing 106 is fixedly connected to the outer side wall of a joint of the connecting inflation tube 107 and the extension tube 103, the catheter zero scale 102 is located between the fixing wing 106 and the air bags 105, an infusion connection port 109 is communicated with the other end of the extension tube 103, and an air bag inflation one-way valve 108 is communicated with the other end of the connecting inflation tube 107.

In this embodiment: the catheter body 101 is put into the skin by a professional nurse and then does not directly enter the blood vessel, a subcutaneous tunnel is firstly established, the catheter body 101 is additionally provided with the air sac 105 (and the special passage design of the air sac) at the subcutaneous tunnel, after the catheter body 101 is put into the skin successfully, the air sac 105 is flushed outside the body through the other end of the connecting inflation tube 107, so that the air sac 105 bulges subcutaneously to block a puncture point, the air sac inflation one-way valve 108 is arranged on the outer side wall of the connecting inflation tube 107, after the other end of the connecting inflation tube 107 is flushed, the air sac inflation one-way valve 108 enables water not to flow reversely, the air sac 105 is prevented from being collapsed or leaking by itself, the catheter body 101 is fixed in the puncture point skin, the air sac is not easy to slide, the risk that the catheter body 101 is taken out and slides into the body is reduced, the other end of the extension tube 103 is connected with the infusion connection port 109, the infusion device is connected with the infusion apparatus for normal infusion path, and the special PICC catheter for the tunnel solves the problem that the catheter always slides at the puncture point due to dressing allergy or dressing viscosity difference, the like, the skin bacteria cannot be easily brought into the body, and the infection risk is reduced (only for patients in a PICC puncture mode is suitable for tunnel).

As a technical optimization scheme of the utility model, the volume of the air bag 105 is 2mm ³ 。

In this embodiment: the volume of the air bag 105 is 2mm ³ The air bag 105 is an invisible bag, is attached to the side wall of the catheter body 101 when not inflated, and blocks the puncture point after the air bag 105 is filled with the saline by pushing, so that the catheter body 101 is prevented from falling out.

As a technical optimization scheme of the utility model, the distance between the catheter zero graduation 102 and the air bag 105 is 0.2-0.5cm.

In this embodiment: the distance between the catheter zero graduation 102 (i.e., at the puncture point) and the airbag 105 is 0.2-0.5cm, and the airbag 105 can occlude the puncture point.

As a technical optimization scheme of the utility model, the air bag inflation one-way valve 108 and the transfusion connecting port 109 are composed of a main valve 1091 and a side valve 1092.

In this embodiment: the air bag inflating one-way valve 108 and the infusion connection port 109, the main valve 1091 is infused by positive pressure, the auxiliary valve 1092 is sucked by negative pressure, water cannot flow out reversely, the air bag 105 is prevented from being collapsed or leaking liquid by itself, and the water can be pumped out only after the saline is sucked by negative pressure.

Working principle: firstly, a professional nurse establishes a subcutaneous tunnel firstly after putting the catheter body 101 into the skin, the catheter body 101 is additionally provided with an air bag 105 (and a special passage design for the air bag) at the subcutaneous tunnel, after the catheter body 101 is put into the skin successfully, the air bag 105 is flushed in vitro through the other end of the connecting inflation tube 107, the air bag 105 is inflated subcutaneously to block a puncture point, the air bag inflation check valve 108 is arranged on the outer side wall of the connecting inflation tube 107, after the other end of the connecting inflation tube 107 is flushed, the air bag inflation check valve 108 enables water to not flow reversely, so that the air bag 105 is prevented from being collapsed or leaking automatically, the catheter body 101 is fixed in the puncture point skin and is not easy to slide, and the risks of the catheter body 101 falling out and sliding into the body are reduced.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. Special PICC pipe in tunnel, including PICC pipe body (1), its characterized in that: PICC pipe body (1) includes pipe body (101), the lateral wall of pipe body (101) left end is provided with pipe zero scale (102), the left end intercommunication of pipe body (101) has extension pipe (103), gasbag water filling layer (104) have been seted up to the intermediate layer inside of pipe body (101) and extension pipe (103), two air bags (105) with gasbag water filling layer (104) intercommunication of lateral wall fixedly connected with of pipe body (101), the lateral wall fixedly connected with of pipe body (101) is connected with inflation pipe (107) with gasbag water filling layer (104) intercommunication, the lateral wall fixedly connected with fixed wing (106) of connection inflation pipe (107) and extension pipe (103) junction, pipe zero scale (102) are located between fixed wing (106) and air bags (105), the other end intercommunication of extension pipe (103) has infusion connector (109), the other end intercommunication of connection inflation pipe (107) has inflatable check valve (108).

2. The tunnel-dedicated PICC catheter of claim 1, wherein: the volume of the air bag (105) is 2mm ³ 。

3. The tunnel-dedicated PICC catheter of claim 1, wherein: the distance between the catheter zero graduation (102) and the air bag (105) is 0.2-0.5cm.

4. The tunnel-dedicated PICC catheter of claim 1, wherein: the infusion connection port (109) is composed of a main valve membrane (1091) and a side valve membrane (1092).