Femoral arteriovenous drainage tube fixator

By using the catheter groove and fixing suture wing structure of the femoral artery and vein drainage tube fixator, the problems of pain and complications caused by unstable fixation of the drainage tube in the existing technology are solved, achieving stable fixation of the drainage tube and transparent observation effect, thus promoting patient recovery.

CN223668453UActive Publication Date: 2025-12-16TEDA INT CARDIOVASCULAR HOSPITAL
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Patent Information

Application Number
CN202422817611.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-19
Publication Date
2025-12-16
Estimated Expiration
2034-11-19

AI Technical Summary

Technical Problem

Existing methods for fixing femoral artery and vein drainage tubes have drawbacks, such as insufficient suture tension leading to loosening or excessive compression, resulting in tube dislodgement, obstructed access, and excessive local tension causing patient pain and complications, especially when the patient moves.

Method used

The femoral artery and vein drainage tube fixation device includes a catheter groove, fixation wings, and suture wings. It is fixed by sutures through fixation holes and suture holes. Combining compression effect and tension, it achieves stable fixation of the drainage tube, reduces local tension, provides an observation window, and reduces patient pain.

Benefits of technology

This method ensures the drainage tube is securely fixed, guarantees patency, reduces patient pain and complications, promotes recovery, lowers the risk of thrombosis, and allows for patient mobility.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a femoral arteriovenous drainage tube fixer, which comprises a fixer body, the fixer body comprises a catheter soft groove for placing a drainage pipeline, fixing wings and suture wings, the fixing wings are vertically arranged close to two side walls of the catheter soft groove, and the front ends of the fixing wings are provided with fixing holes. The fixing holes in the two sides tighten the drainage pipeline arranged on the catheter soft groove through sutures, suture wings are arranged at the bottom of the catheter soft groove in the longitudinal direction of the catheter soft groove, suture holes are formed in the suture wings, and the suture holes in the suture wings on the two sides are fixedly connected with the skin through sutures respectively. A drainage pipeline on a catheter soft groove is fixed through the multiple fixing wings, the drainage tube fixing device achieves the effect that the drainage tube fixing device doubly fixes the drainage tube through the extrusion effect of the groove and the tension effect of a suture penetrating through a fixing hole, the drainage effect in the transparent drainage pipeline can be observed through a space reserved between the fixing wings on the two sides, and the drainage tube fixing device is fixed to the skin through the multiple suture wings. Pains of patients are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to auxiliary medical instrument technical field, especially involve a femoral artery and vein drainage tube fixer. BACKGROUND

[0002] Clinically, critical patients often need ECMO support, for example, in V-A mode, the patient needs to drain blood from the femoral vein, and after oxygenation, heating and pressurization by the machine, the blood is input into the body through the femoral artery. The circulation support of ECMO is usually 7-14 days, and the patient needs to be long-term indwelling of the pipeline. The existing ECMO drainage pipeline fixing method is only to fix the skin directly by surgical suture, and then to fix the drainage tube by annular winding. This method has many disadvantages: 1. If the suture tension is insufficient, the pipeline is easy to loosen, and the outward loosening of the pipeline will cause the pipeline to fall out, and the inward loosening will cause the incision to be infected; 2. If the suture tension is excessive, the pipeline will be squeezed and deformed, the cross-sectional area of the pipeline will be reduced, the passage will be blocked, the pressure will be increased, and the possibility of local cracking of the pipeline will be increased; 3. The local tension of the skin is high, and the pain of the conscious patient is strong, and the use of analgesic drugs increases the risk of treatment; 4. The local tension of the skin is high, and the conscious patient refuses to move the lower limbs voluntarily, which delays recovery and increases the risk of lower limb thrombosis; 5. The local tension of the skin is high, and when active or passive body position changes occur, local folds appear, causing the pipeline to be blocked.

[0003] There is an urgent need to develop a femoral artery and vein drainage tube fixer for fixing long-term indwelling femoral artery and vein drainage tube to reduce patient pain and ensure the drainage effect of the pipeline. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a femoral artery and vein drainage tube fixer which can reduce the tension of the skin and the femoral artery and vein drainage tube, avoid local high tension fixation, ensure the firmness of the pipeline, ensure smooth drainage, and reduce patient pain and other complications.

[0005] To achieve the above-mentioned purpose, the utility model discloses a femoral artery and vein drainage tube fixer, which comprises a fixer body, the fixer body comprises a catheter soft groove for placing the drainage pipeline, a fixing wing and a suture wing, the fixing wing is vertically arranged on the two side walls of the catheter soft groove, the front end of the fixing wing is provided with a fixing hole, the drainage pipeline on the catheter soft groove is fixed by tightening the fixing holes on the two sides through sutures, the bottom of the catheter soft groove is provided with the suture wing along the longitudinal direction, the suture wing is provided with a suture hole, and the suture holes of the two suture wings are respectively fixed to the skin through sutures.

[0006] Further, the length of the fixer body is 54mm, the width is 24mm, and the height is 17mm.

[0007] Further, the fixed body is in the shape of a cuboid, and a semicircular groove is arranged in the middle of the fixed body along the longitudinal direction to form a catheter soft groove.

[0008] Further, the fixed body is made of rubber or plastic.

[0009] Further, each side fixing wing of the fixed body is composed of 3-4 trapezoidal fixing wings, and a fixing hole is arranged at the upper end of the trapezoidal fixing wing.

[0010] Further, each side suture wing of the fixed body is composed of three trapezoidal suture wings, and a suture hole is arranged at the upper end of the trapezoidal suture wing.

[0011] Beneficial effects: compared with the prior art, the utility model discloses a plurality of fixing wings to fix the drainage pipeline on the catheter soft groove, realizes that the drainage tube fixer relies on the extrusion effect of the groove and the pulling effect of the suture passing through the fixing hole, and double fixation drainage tube, the space left between the bilateral fixing wings can observe the drainage effect in the transparent drainage pipeline, is fixed through a plurality of suture wings and skin, and reduces the pain of patients. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the front view structural schematic diagram of the utility model;

[0013] Figure 2 It is Figure 1 The structure schematic diagram of one side fixing wing in it;

[0014] Figure 3 It is Figure 1 The structure schematic diagram of suture wing in it;

[0015] Figure 4 It is the section view of fixed body fixed catheter;

[0016] Figure 5 It is the working state schematic diagram of fixed body;

[0017] Figure 6 It is the three-dimensional structure schematic diagram of the utility model.

[0018] In the drawing: 1, fixed body, 2, catheter soft groove, 3, fixing wing, 4, suture wing, 5, fixing hole, 6, suture hole, 7, mousse line, 8, drainage pipeline. DETAILED DESCRIPTION

[0019] The following detailed description of the specific embodiments according to the present application is provided in connection with the preferred embodiments. As shown in the drawings, the present embodiment provides a femoral vein drainage tube fixator, which comprises a fixator body 1, the fixator body comprising a catheter soft groove 2 for placing a drainage tube 8, a fixed wing 3 and a suture wing 4, the fixed wing being vertically arranged on the two side walls of the catheter soft groove, the front end of the fixed wing being provided with a fixed hole 5, the drainage tube on the catheter soft groove being placed by tightening the two side fixed holes through a suture, the bottom of the catheter soft groove being provided with a suture wing along the longitudinal direction thereof, the suture wing being provided with a suture hole 6, and the suture holes of the two suture wings being respectively fixed to the skin through a suture.

[0020] The preferred scheme of the present embodiment is that the length of the fixator body is 54 mm, the width is 24 mm, and the height is 17 mm.

[0021] The preferred scheme of the present embodiment is that the fixator body is in the shape of a cuboid, and a semicircular groove is arranged in the middle along the longitudinal direction thereof to form the catheter soft groove.

[0022] The preferred scheme of the present embodiment is that the fixator body is made of rubber or plastic.

[0023] The preferred scheme of the present embodiment is that each side fixed wing of the fixator body is composed of 3-4 trapezoidal fixed wings, and the upper end of the trapezoidal fixed wing is provided with a fixed hole. The height of the single side fixed wing is 17 mm, the height of the trapezoid is 4 mm, and the length is 54 mm.

[0024] The preferred scheme of the present embodiment is that each side suture wing of the fixator body is composed of three trapezoidal suture wings, and the upper end of the trapezoidal suture wing is provided with a suture hole. The length of the suture wing is 54 mm, the width is 24 mm, and the height of the trapezoid is 9 mm.

[0025] The detailed structure of the present embodiment

[0026] (1) The total length of the fixator is 54 mm, the width is 24 mm, and the height is 17 mm.

[0027] (2) The bottom of the fixator extends suture wings to both sides, each side has three wings, and the wings have suture holes for fixing the skin.

[0028] (3) The fixator is a tubular groove, and the drainage tube can be placed in the groove.

[0029] (4) The trapezoidal fixed wings are extended upward on both sides of the groove in the fixator, there are four wings on each side, the wings have fixed holes, the drainage tube is fixed by tightening the two fixed holes through a suture, the drainage tube can be squeezed and fixed in the groove, and the drainage tube is firmly fixed.

[0030] (5) After the fixed point is tightened, the two fixed wings do not contact each other, but leave a certain space, which helps to observe the drainage effect in the local transparent tube, and plays the role of an observation window.

[0031] Working process

[0032] 1. The patient lies flat, and femoral artery and vein drainage tube is inserted through femoral artery and vein, connected with ECMO, and V-A auxiliary circulation is carried out;

[0033] 2. The drainage tube fixer is taken and sleeved between the steel wire threaded reinforcing section and the interface section of the femoral artery drainage tube;

[0034] 3. After the base of the fixer is adjusted to face the thigh skin, No. 1 mousse line is passed through the two fixing holes, the suture is tightened, a surgical knot is tied to fix, the drainage tube is fixed with the fixer tightly;

[0035] 4. After the direction of the femoral artery drainage tube is adjusted again to achieve the best perfusion effect, the six suture holes of the fixer and the skin are sutured with No. 1 mousse line intermittently by a needle belt, so that the fixer and the skin are fixed.

[0036] 5. The femoral vein drainage tube is fixed again by repeating the above process, and the operation is completed.

[0037] The above detailed description of the femoral artery and vein drainage tube fixer according to the reference embodiment is illustrative rather than limiting, and a plurality of embodiments can be listed according to the defined range, so that the changes and modifications without departing from the overall concept of the utility model shall be within the protection scope of the utility model.

Claims

1. A fixator for a femoral artery and vein drainage tube, characterized in that: The device includes a fixation body, which comprises a catheter groove for placing a drainage tube, a fixing wing, and a suture wing. The fixing wing is vertically arranged close to the two side walls of the catheter groove. The front end of the fixing wing has a fixing hole. The two fixing holes on both sides are tightened with sutures to hold the drainage tube placed on the catheter groove. The bottom of the catheter groove has a suture wing along its longitudinal direction. The suture wing has a suture hole. The suture holes on both sides of the suture wing are respectively fixed to the skin with sutures.

2. The femoral artery and vein drainage tube fixator according to claim 1, characterized in that: The length of the fixture body is 54mm, the width is 24mm, and the height is 17mm.

3. The femoral artery and vein drainage tube fixator according to claim 1 or 2, characterized in that: The fixture body is rectangular in shape, with a semi-circular groove in the middle forming a guide tube groove.

4. The femoral artery and vein drainage tube fixator according to claim 3, characterized in that: The fixture body is made of rubber or plastic.

5. The femoral artery and vein drainage tube fixator according to claim 4, characterized in that: Each side of the fixing wing of the fixing body is composed of 3-4 trapezoidal fixing wings, and the upper end of the trapezoidal fixing wing is provided with a fixing hole.

6. The femoral artery and vein drainage tube fixator according to claim 5, characterized in that: Each side of the fixation body consists of three trapezoidal suture wings, with suture holes at the upper end of each trapezoidal suture wing.