PICC (peripherally inserted central catheter) anti-drop fixing sleeve

By designing a PICC catheter fixation sleeve with a rectangular airbag, spring, absorbent cotton, and pressure sensor, the problems of catheter dislodgement and blood leakage in traditional fixation methods have been solved, achieving stable fixation and real-time pressure monitoring, and reducing the risk of infection.

CN223818007UActive Publication Date: 2026-01-23XIAMEN TRADITIONAL CHINESE MEDICINE HOSPITAL
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Patent Information

Application Number
CN202422761693.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2026-01-23
Estimated Expiration
2034-11-13

AI Technical Summary

Technical Problem

Traditional PICC catheter fixation methods are prone to dislodgement or displacement, increasing the risk of infection, and are difficult to prevent blood leakage and contamination and control the pressure of the balloon.

Method used

A fixing sleeve was designed, comprising a rectangular airbag, a spring, absorbent cotton, an air pressure sensor, and an air pump. The airbag is inflated and deflated, and the sensor monitors the pressure to prevent it from falling off and to observe the squeezing force. The absorbent cotton absorbs the seepage.

Benefits of technology

It effectively prevents the PICC catheter from falling out during removal, avoids blood contamination, ensures fixation, and monitors the balloon pressure in real time, reducing patient discomfort and skin damage.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223818007U_ABST
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Abstract

The utility model discloses a PICC (Peripherally Inserted Central Catheter) anti-dropping fixing sleeve which is characterized by comprising a sheath and a fixing mechanism, the fixing mechanism comprises a plurality of air bags which are fixedly arranged on the inner wall of the sheath at equal intervals, an inflation ring is arranged on the outer surface of the sheath, a plurality of air holes are formed in the inflation ring, the air holes are communicated with the air bags, and the air bags are communicated with the air holes. An air pressure sensor is arranged on the outer side of the inflation ring, the two ends of the air pressure sensor are fixedly installed on the outer surface of the sheath, one end of the inflation ring is in threaded connection with an air guide pipe, and an inflation pump is fixedly installed at one end of the air guide pipe; the fixing mechanism is arranged, the air bag is inflated through the inflation pump, and when the air bag is deflated, the spring in the air bag pulls the air bag to contract, so that the air bag cannot pull the PICC catheter in the process of taking off the sheath.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical nursing device technical field, concretely relates to a PICC catheter anti -drop fixing sleeve. BACKGROUND

[0002] In the clinical application of PICC (peripherally inserted central catheter), the traditional fixing method mainly relies on medical adhesive tape or bandage for fixing, but these traditional methods are prone to causing the PICC catheter to fall off or shift during the patient's activity, increasing the risk of infection of the patient, and also causing discomfort to the patient, in addition, long-term use of adhesive tape or bandage can also cause damage to the skin of the patient.

[0003] The prior art, for example, the Chinese utility model patent with the publication number CN219538608U discloses a "PICC complication processing sleeve", which can adjust the tightness of the sleeve by inflating and deflating the air bag after the sleeve is sleeved on the arm of the patient, so that the PICC catheter is fixed well, has good air permeability, protects the skin of the patient, is simple and convenient to operate, and is convenient for daily nursing of medical staff, but the structure has defects, that is, the structure is prone to pulling the PICC catheter when it is taken off, thereby causing the PICC catheter to fall off, in addition, when blood leaks at the insertion site of the PICC catheter, the device is difficult to prevent the blood from flowing and causing pollution, and furthermore, the structure is difficult to control the extrusion force of the air bag on the PICC catheter. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a PICC catheter fixing device which can not pull the PICC catheter when the device is taken off, can prevent the leaked blood from polluting the PICC catheter, and can also directly observe the extrusion force of the air bag on the PICC catheter, thereby preventing the PICC catheter from shaking after the air bag leaks.

[0005] In order to achieve the above technical effects, the utility model is realized by the following technical scheme: a PICC catheter anti-drop fixing sleeve, characterized by comprising a sheath and a fixing mechanism, the fixing mechanism comprises a plurality of air bags fixed at equal intervals on the inner wall of the sheath, the air bag is of a rectangular structure, a plurality of springs are arranged in the air bag, a water-absorbing cotton is attached to the bottom of the air bag, an inflation ring is arranged on the outer surface of the sheath, a plurality of air holes are formed in the inflation ring and communicate with the air bags, an air pressure sensor is arranged on the outside of the inflation ring, the air pressure sensor is fixedly installed at both ends of the sheath, and a gas pipe is threadedly connected to one end of the inflation ring.

[0006] Preferably, the sheath is made of elastic material, two fixing assemblies are arranged at both ends of the sheath, a fixing belt is arranged on the outer wall of the sheath, and the fixing belt is connected to the sheath by magic tape.

[0007] Preferably, the fixing assembly comprises a plurality of arc-shaped bands arranged at one end of the sheath, one side of the arc-shaped bands is provided with a connecting band, and both sides of the connecting band are provided with magic tapes with different surfaces.

[0008] Preferably, the inflating pump is provided with a one-way valve at both ends, a drying tube is fixedly installed on the one-way valve at one side of the inflating pump, the drying tube is filled with a drying agent, and a gas guide pipe is threadedly connected to the other end of the drying tube.

[0009] Compared with the prior art, the PICC catheter anti-dropping fixing sleeve has the following beneficial effects:

[0010] 1、The fixing mechanism is arranged, the inflating pump inflates the air bag, the spring in the air bag pulls the air bag to shrink when the air bag is deflated, and the air bag cannot pull the PICC catheter during the process of taking off the sheath.

[0011] 2、The air pressure sensor is arranged, the air pressure sensor monitors the pressure in the air bag, the pressure of the air bag on the PICC catheter can be directly observed, and the air pressure can be directly observed to drop after the air bag leaks, so that timely repair can be performed to prevent the PICC catheter from shaking. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0013] Figure 1 is a schematic diagram of the overall structure of the present application;

[0014] Figure 2 is a sectional view of the fixing mechanism of the present application;

[0015] Figure 3 is a top view of the fixing mechanism of the present application;

[0016] Figure 4 is an air bag inflating work diagram of the present application;

[0017] Figure 5 is an air bag deflation work diagram of the present application.

[0018] In the drawings, the components represented by each reference numeral are listed as follows:

[0019] 1, sheath; 11, fixing assembly; 111, arc-shaped belt; 112, connecting belt; 12, fixing belt; 2, fixing mechanism; 21, air bag; 211, spring; 212, water-absorbing cotton; 22, inflation ring; 221, air-permeable hole; 23, air pressure sensor; 24, air guide pipe; 25, inflation pump; 251, one-way valve; 252, drying pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Embodiment 1

[0022] Referring to Figures 1 to 5 PICC catheter anti-disengagement fixing sleeve, characterized by comprising sheath 1 and fixing mechanism 2, the fixing mechanism 2 includes a plurality of air bags 21 fixedly installed equidistantly on the inner wall of sheath 1, the air bag 21 is rectangular structure, and a plurality of springs 211 are arranged in the air bag 21, the bottom of air bag 21 is pasted with water-absorbing cotton 212, the outer surface of sheath 1 is provided with inflation ring 22, a plurality of air-permeable holes 221 are formed in the inflation ring 22, and the air-permeable holes 221 are communicated with air bag 21, the outer side of inflation ring 22 is provided with air pressure sensor 23, the air pressure sensor 23 is fixedly installed at both ends on the outer surface of sheath 1, and one end of inflation ring 22 is threadedly connected with air guide pipe 24, one end of air guide pipe 24 is fixedly installed with inflation pump 25. The air bag 21 is inflated by inflation pump 25, the air bag 21 is expanded to extrude the arm and PICC air guide pipe 24, and the PICC air guide pipe 24 is fixed, the pressure in air bag 21 can be displayed by air pressure sensor 23, so that the pressure in air bag 21 can be directly observed, and the air bag 21 can be found in time when the air bag 21 is leaked by mistake; the rectangular structure of air bag 21 can more easily fix the PICC air guide pipe 24, the spring 211 in the air bag 21 can drive the air bag 21 to contract when the air bag 21 is deflated, which helps to exhaust and prevents the PICC pipeline from being pulled when the sheath 1 is taken off, the pasted water-absorbing cotton 212 can absorb sweat and the blood leaking from the wound, and the water-absorbing cotton 212 can be replaced after being contaminated.

[0023] The sheath 1 is made of elastic material, two fixing assemblies 11 are arranged at two ends of the sheath 1, a fixing belt 12 is arranged on the outer wall of the sheath 1, and the fixing belt 12 is connected with the sheath 1 by using magic tape.

[0024] The fixing assembly 11 comprises a plurality of arc-shaped belts 111 arranged at one end of the sheath 1, one side of the arc-shaped belt 111 is provided with a connecting belt 112, and different magic tapes are arranged on the two sides of the connecting belt 112.

[0025] The one-way valve 251 is arranged at one end of the inflating pump 25, the one-way valve 251 is fixedly installed on one side of the inflating pump 25, the drying tube 252 is arranged on the one-way valve 251, the drying tube 252 is filled with drying agent, and the air guide pipe 24 is threadedly connected to the other end of the drying tube 252.

[0026] Embodiment 2

[0027] The air pressure sensor 23 of the utility model adopts a battery as an energy source;

[0028] The inflating ring 22 is made of elastic material, so that the inflating ring 22 can stretch along with the stretching of the sheath 1;

[0029] The water absorption cotton 212 is fixed below the air bag 21 by using glue, and the water absorption cotton 212 is replaceable.

[0030] The inflating pump 25 of the utility model is the same in structure as the inflating pump 25 used in the existing sphygmomanometer.

[0031] Embodiment 3

[0032] Working principle: when fixing the PICC catheter on the arm of the patient, first, sheath 1 is sleeved on the arm of the patient, and the PICC catheter is located inside sheath 1, then the air duct 24 and the inflation ring 22 are connected, and the inflation pump 25 is squeezed, the inflation pump 25 is squeezed to send air into the air duct 24 through the one-way valve 251, the air in the air duct 24 is dried through the drying tube 252, and the dried air is filled into the inflation ring 22, the inflation ring 22 is connected with the air bag 21 through the air hole 221, so that the dry air in the inflation ring 22 can be filled into the air bag 21, and the air pressure sensor 23 outside the inflation ring 22 monitors the air pressure inside the inflation ring 22 in real time, after the air bag 21 is filled with air, the air bag 21 expands to fix the arm and the PICC catheter, the air bag 21 expands at the same time to stretch the spring 211, after the air bag 21 is fixed on the arm, the user fixes the air duct 24 and the inflation pump 25 on the sheath 1 through the magic tape between the fixing belt 12 and the sheath 1, to prevent the inflation pump 25 from affecting the patient's activities, then the user makes the arc-shaped belt 111 adhere to the arm, and uses the magic tape on the connecting belt 112 to bind the connecting belt 112 on the arm, so as to fix the sheath 1 on the arm;

[0033] When the sheath 1 is removed, the user unfastens the fixing belt 12 and disconnects the air duct 24 and the inflation ring 22, so that the air in the inflation ring 22 and the air bag 21 is discharged, in the process of discharging the air from the air bag 21, the air bag 21 is actively contracted under the action of the spring 211, and the speed of discharging the air is accelerated, after the air bag 21 completely discharges the air, the air bag 21 is contracted, so as not to contact the PICC catheter, so that the air bag 21 does not pull the PICC catheter in the process of removing the sheath 1; in addition, when the water absorption cotton 212 is contaminated by the leaked blood, the water absorption cotton 212 can be torn off and replaced with a new one.

Claims

1. A PICC catheter anti-dislodgement fixation sleeve, characterized in that, The device includes a sheath (1) and a fixing mechanism (2). The fixing mechanism (2) includes several airbags (21) that are fixedly installed at equal intervals on the inner wall of the sheath (1). The airbags (21) are rectangular structures and have multiple springs (211) inside. The bottom of the airbags (21) is attached with absorbent cotton (212). The outer surface of the sheath (1) is provided with an inflation ring (22). The inflation ring (22) has multiple ventilation holes (221) inside and the ventilation holes (221) are connected to the airbags (21). The outer side of the inflation ring (22) is provided with a pressure sensor (23). The two ends of the pressure sensor (23) are fixedly installed on the outer surface of the sheath (1). One end of the inflation ring (22) is threadedly connected to an air guide tube (24). One end of the air guide tube (24) is fixedly installed with an air pump (25).

2. The PICC catheter anti-dislodgement fixation sleeve according to claim 1, characterized in that, The sheath (1) is made of elastic material. Two fixing components (11) are provided at both ends of the sheath (1). A fixing strap (12) is provided on the outer wall of the sheath (1). The fixing strap (12) is connected to the sheath (1) by Velcro.

3. The PICC catheter anti-dislodgement fixation sleeve according to claim 2, characterized in that, The fixing component (11) includes multiple arc-shaped strips (111) disposed at one end of the sheath (1), a connecting strip (112) is provided on one side of the arc-shaped strip (111), and Velcro with different sides is provided on both sides of the connecting strip (112).

4. A PICC catheter anti-dislodgement fixation sleeve according to claim 1, characterized in that, The air pump (25) is provided with one-way valves (251) at both ends. A drying tube (252) is fixedly installed on the one-way valve (251) on one side of the air pump (25). The drying tube (252) is filled with desiccant, and the other end of the drying tube (252) is threadedly connected to an air guide tube (24).

Citation Information

Patent Citations

  • PICC complication treatment oversleeve

    CN219538608U