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Tubular member fixing device

A technology for fixing devices and tubular parts, which is applied in the direction of catheters and other directions to achieve the effect of correcting the fixing position and realizing the fixing operation.

Inactive Publication Date: 2007-04-11
SHERWOOD SERVICES AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] A problem with prior art structures is that during readjustment of the catheter after it is attached to the skin, a highly concentrated force is applied on one side to open the device, which stimulates the suture point opposite the closed side by a cantilever effect

Method used

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  • Tubular member fixing device
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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0054] Fig. 1 is a front view of a catheter fixing device according to a first embodiment of the present invention, the catheter fixing device having an outer fixing member and an inner fixing member integrally assembled with each other. FIG. 2 is a plan view of FIG. 1 . FIG. 3 is a side view of the apparatus of FIG. 1 as seen from direction A. FIG. FIG. 4 is a front view of an external fixation member constituting the catheter fixation device shown in FIG. 1 . FIG. 5 is a plan view of FIG. 4 . FIG. 6 is a side view of the apparatus of FIG. 4 as viewed from direction B. FIG. FIG. 7 is a front view of the internal fixation components making up the catheter fixation device shown in FIG. 1 . 8 is a plan view of FIG. 7, and FIG. 9 is a side view of the device of FIG. 7 seen from direction C. FIG.

[0055] The catheter fixation device includes an outer fixation part 1 (Figs. 4 to 6) and an inner fixation part 20 (Figs. 7 to 9), and the catheter fixation device is formed by comb...

no. 2 example

[0067] Fig. 12 is a front view of the outer fixing member 1 constituting the catheter fixing device according to the second embodiment. In the first embodiment, the first engaging portion 9 is provided on the cover portion 3 of the external fixing member 1, and the second engaging portion 10 is provided on the side of the fitting joint 2a, therefore, the first and second engaging portions 9, 10 engages on the side surface of the catheter fixture. However, in the second embodiment, a pair of cover parts 3a, 3b are arranged to face each other, and these cover parts 3a, 3b are engaged at the top position of the conduit fixing portion. When the catheter fixation device is attached to the skin and the tubular member 30 needs to be adjusted, the device can be opened by squeezing the cover parts 3a, 3b towards each other. In this way, no force is applied perpendicular to the skin, thus achieving a painless and non-irritating replacement of the catheter 30 for the patient.

[0068] ...

no. 3 example

[0072] Fig. 14 is a front view of an inner fixing member 20 according to a third embodiment of the present invention. In the first embodiment, the holding portion 22 is substantially cylindrical and has a constant thickness in the closed state. However, in the third embodiment, the axially oriented protrusions 22e are provided on the outer surface of the substantially cylindrical holding portion 22 at regular intervals. In this example, the thickness of the holding portion 22 other than the protrusion 22e is configured to be thinner than that of the holding portion 22 shown in the first embodiment.

[0073] In the arrangement described above, when the outer surface of the holding portion 22 is covered by the cover portion 3 of the outer fixing member 1, the pressure energy applied through the cover portion 3 can be absorbed. In particular, when the tubular member 30 is thick, the resulting pressure can be absorbed by the protrusion 22 e of the holding portion 22 . In this em...

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PUM

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Abstract

To provide a fixing device for a tubular member such as a catheter which is easy to operate, has parts which are easy to tighten, which makes it easy to recognize whether the parts are securely fixed, which is small in size, and which causes minimum irritation of the skin. [Means for Resolution] A tubular member fixing device includes: a second fixing portion (20) being formed of soft material and including a retaining portion (22) capable of opening and closing for clamping the tubular member (30) and a second base member (21) formed integrally with the retaining portion (22) at a fitting recess (24); and a first fixing portion (1) being formed of material harder than that of the second fixing portion (20) and including a first base member (2) having a covering portion (3) for covering the outer surface (22d) of the retaining portion (22) so as to be capable of opening and closing the opening-closing side of the retaining portion (22) of the second fixing portion (20), and a fitting joint (2a) formed integrally with the covering portion (3) for fitting into the fitting recess (24) of the second fixing portion (20), and the second fixing portion (20) and the first fixing portion (1) are fitted to abut against each other.

Description

technical field [0001] The present invention relates to a tubular member securing device for preventing accidental longitudinal movement of a tubular member, such as a catheter inserted and indwelled in the body, for blood transfusion, and for securing the tubular member to a body surface (Infusion) Injection, circulation, or drainage of body fluids. Background technique [0002] In recent years, the use of tubular components such as catheters or tubes for therapy or diagnosis has been widely used. This tubular member is hollow and is used to inject or drain medical fluids into the body. Examples of tubular components include gastric tubes, bronchial tubes, cardiac venous catheters, and suction catheters, for example. [0003] Fig. 15 is a perspective view showing one example of a tubular member fixing device for fixing a tubular member such as a catheter in the related art. The fixing device 40 for fixing a tubular part such as a catheter can fix the tubular part by inse...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M25/02
CPCA61M25/02A61M2025/024
Inventor 土屋浩明小名木广行
Owner SHERWOOD SERVICES AG
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