Auxiliary device for catheterization of improved medium-long catheter

By designing a sterile drape facial support device and an upper limb support device, the problems of claustrophobia and upper limb instability in patients during the placement of modified medium-length catheters were solved, improving the comfort and success rate of catheter placement, and enabling the device to be portable and stored.

CN224112933UActive Publication Date: 2026-04-14山西医科大学第二医院(山西医科大学第二临床医学院)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
山西医科大学第二医院(山西医科大学第二临床医学院)
Filing Date
2025-04-07
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Patients are prone to claustrophobia, stuffiness due to poor ventilation, and contact dermatitis during the placement of modified medium-length catheters. In addition, the upper limb is not easily fixed, which can easily lead to puncture failure.

Method used

A device was designed that includes a sterile towel face support device and an upper limb support device. The sterile towel is supported by a telescopic arc rod and a connector to provide breathing space, and the upper limb is fixed by the upper limb support to prevent limb movement.

Benefits of technology

It alleviates patients' claustrophobia, improves ventilation and upper limb stability during catheter placement, reduces the risk of puncture failure, and the device is foldable for easy storage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an auxiliary device for indwelling an improved medium-long catheter. The technical problem that puncture fails due to the fact that a sterile towel covers the face and limbs move is solved. According to the technical scheme, the device comprises a sterile towel face supporting device and an upper limb supporting plate device; the sterile towel face supporting device comprises a telescopic arc-shaped rod, a telescopic rod and a connector, the telescopic arc-shaped rod is integrally of a semicircular structure and is divided into three sections, the first arc-shaped rod and the third arc-shaped rod are slidably arranged on the two sides of the second arc-shaped rod respectively, and supporting seats are horizontally and fixedly arranged at the free ends of the first arc-shaped rod and the third arc-shaped rod; the upper limb supporting plate device comprises an upper limb carriage box and an upper limb supporting plate cover, and an upper limb containing groove and a supporting device containing box are arranged on the upper limb carriage box. The sterile towel can be supported, a breathing space is provided for a patient, upper limbs of the patient are supported, and puncture failure caused by limb movement is avoided.
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Description

Technical Field

[0001] This utility model belongs to the field of medical device technology, specifically relating to an auxiliary device for placement of a modified medium-length catheter. Background Technology

[0002] Modified medium-length catheters are commonly used intravenous therapy tools in clinical practice and are widely used for patients undergoing long-term infusion, chemotherapy, and nutritional support. However, when patients undergo modified medium-length catheter placement, the sterile drapes covering their head and neck completely obstruct their vision, which can easily cause claustrophobia. Some sterile drape materials have poor breathability, which can cause stuffiness when directly covered, and a few patients are even allergic to the sterile drape materials, resulting in contact dermatitis and itching. In addition, because the mattress is relatively soft, the patient's upper limbs are not stable, and slight movement of the limbs during catheter placement can easily lead to puncture failure. Utility Model Content

[0003] The purpose of this invention is to solve the above-mentioned technical problems and provide an auxiliary device for the placement of improved medium-length catheters.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0005] An auxiliary device for improved medium-length catheter placement includes a sterile drape face support device and an upper limb support device.

[0006] The sterile towel facial support device includes several telescopic arc-shaped rods, telescopic rods, and several connectors. The telescopic arc-shaped rods are semi-circular in structure and are divided into three sections: a first arc-shaped rod, a second arc-shaped rod, and a third arc-shaped rod. The first and third arc-shaped rods are slidably disposed on both sides of the second arc-shaped rod. The free ends of the first and third arc-shaped rods are horizontally fixed with support seats. The several connectors are sleeved on the middle of the second arc-shaped rod and fixed with fastening screws. The several telescopic arc-shaped rods are connected by the telescopic rods passing through the connectors in sequence, and the connectors are fixed to the telescopic rods with fastening screws.

[0007] The upper limb support device includes an upper limb support box and an upper limb support cover. The upper limb support box is a square box structure with an upper limb placement slot on one side and a support device placement box on the other side. The upper limb placement slot is a U-shaped slot adapted to the contour of the upper limb. The upper limb support cover is connected to one side of the upper limb support box by a hinge.

[0008] Furthermore, the second arc-shaped rod has a first arc-shaped hole and a second arc-shaped hole arranged parallel to each other along the arc-shaped axial direction. The first arc-shaped rod is located in the second arc-shaped hole, and the third arc-shaped rod is located in the first arc-shaped hole. A fastening screw is provided on the side wall of the second arc-shaped rod on one side of the first arc-shaped hole and the second arc-shaped hole.

[0009] Furthermore, both the first and second arc-shaped holes are provided with sliding grooves, and corresponding positions of the first and third arc-shaped rods are provided with sliding rails, which cooperate with the sliding grooves.

[0010] Furthermore, the connector includes a first collar and a second collar. The first collar is an annular structure with an inner diameter adapted to the telescopic rod, and the telescopic rod is disposed inside the first collar. The second collar is an annular structure with an inner diameter adapted to the second arc-shaped rod, and the second arc-shaped rod is disposed inside the second collar. The first collar and the second collar are perpendicular in direction and connected vertically.

[0011] Furthermore, a silicone pad is laid on the inner surface of the upper limb placement groove, and the surface of the silicone pad is provided with a smooth antibacterial coating.

[0012] Furthermore, a latch is provided on the opposite side wall of the upper limb support box and the upper limb support cover.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. The sterile towel facial support device of this utility model can support the sterile towel, provide breathing space for the patient, and avoid claustrophobia.

[0015] 2. The upper limb support device of this utility model can provide support for the patient's upper limb and avoid limb movement that could lead to puncture failure;

[0016] 3. The sterile towel face support device of this utility model can be extended and folded. The upper limb support device is equipped with a support device placement box. When not in use, the sterile towel face support device can be put into the support device placement box, which occupies little space and is convenient for storage and transportation. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the sterile towel facial support device of this utility model;

[0018] Figure 2 This is a schematic diagram of the assembly structure of the telescopic arc rod of this utility model;

[0019] Figure 3 This is a schematic diagram of the second arc-shaped hole structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the connector structure of this utility model;

[0021] Figure 5 This is a schematic diagram of the upper limb support device of this utility model;

[0022] In the diagram: 1-Telescopic arc rod, 2-Support base, 3-Telescopic rod, 4-Connector, 5-Fasting screw, 6-Upper limb support plate box, 7-Upper limb support plate cover; 8-Lock; 9-Upper limb placement slot; 10-Support device placement box;

[0023] 1.1 - First arc-shaped rod; 1.2 - Second arc-shaped rod; 1.3 - Third arc-shaped rod;

[0024] 1.2.1 - First arc-shaped hole; 1.2.2 - Second arc-shaped hole; 1.2.3 - Sliding groove;

[0025] 4.1 - First ring; 4.2 - Second ring. Detailed Implementation

[0026] The present invention will be further described below with reference to the embodiments and accompanying drawings. Example

[0027] like Figure 1-5 As shown, an auxiliary device for improved medium-length catheter placement includes a sterile drape face support device and an upper limb support device.

[0028] The sterile facial support device includes several telescopic arc-shaped rods 1, telescopic rods 3, and several connectors 4. Each telescopic arc-shaped rod 1 has a semi-circular structure, divided into three sections: a first arc-shaped rod 1.1, a second arc-shaped rod 1.2, and a third arc-shaped rod 1.3. The second arc-shaped rod 1.2 has a first arc-shaped hole 1.2.1 and a second arc-shaped hole 1.2.2 arranged parallel to each other along the arc-shaped axial direction. The first arc-shaped rod 1.1 is located within the second arc-shaped hole 1.2.2, and the third arc-shaped rod 1.3 is located within the first arc-shaped hole 1.2.1. All are connected by a sliding rail. A fastening screw 5 is provided on the side wall of the second arc-shaped rod 1.2 on one side of the first arc-shaped hole 1.2.1 and the second arc-shaped hole 1.2.2. A support seat 2 is horizontally fixed at the free end of 1.1 and the third arc-shaped rod 1.3. The connector 4 includes a first collar 4.1 and a second collar 4.2. The first collar 4.1 is an annular structure with an inner diameter adapted to the telescopic rod 3. The telescopic rod 3 is located inside the first collar 4.1. The second collar 4.2 is an annular structure with an inner diameter adapted to the second arc-shaped rod 1.2. The second arc-shaped rod 1.2 is located inside the second collar 4.2. The first collar 4.1 and the second collar 4.2 are perpendicular in direction and connected vertically. A plurality of connectors 4 are sleeved in the middle of the second arc-shaped rod 1.2. A plurality of telescopic arc-shaped rods 1 are connected by passing the telescopic rod 3 through the connectors 4 in sequence. The connectors 4 and the telescopic rod 3 are fixed by fastening screws 5.

[0029] The upper limb support device includes an upper limb support box 6 and an upper limb support cover 7. The upper limb support box 6 is a square box structure with an upper limb placement slot 9 on one side and a support device placement box 10 on the other side. The upper limb placement slot 9 is a U-shaped slot adapted to the contour of the upper limb, and the inner surface is covered with a silicone pad. The surface of the silicone pad is covered with a smooth antibacterial coating. The upper limb support cover 7 is connected to one side of the upper limb support box 6 by a hinge, and the other side is provided with a latch.

[0030] The working principle of this utility model is as follows:

[0031] During the placement of a medium-length catheter, the patient lies down, and the medical staff inserts the telescopic rod 3 through the first ring 4.1, so that the second ring 4.2 is fitted in the middle of the second arc-shaped rod 1.2, and tightens the fastening screw 5 to fix it. Then, the fastening screw 5 on the side wall of the second arc-shaped rod 1.2 is loosened, the first arc-shaped rod 1.1 and the third arc-shaped rod 1.3 are pulled out, and the fastening screw 5 is tightened again to fix them. After the operation is completed, it is placed at the patient's head position, with the support seat 2 supporting the bed board. The patient's head is located inside the telescopic arc-shaped rod 1, and then a sterile towel is laid. The sterile towel for the patient's face is draped over the telescopic arc-shaped rod 1, without directly contacting the patient's face, which can provide some breathing space for the patient's face and avoid claustrophobia.

[0032] Place the upper limb support box 6 on the mattress next to the patient's arm, unlock the buckle 8, open the upper limb support cover 7, and put the patient's arm into the upper limb placement slot 9. The upper limb placement slot 9 can hold the patient's arm in place to prevent the patient from moving around during the insertion of the tube. The silicone pad can make the patient's arm more comfortable, and the smooth antibacterial coating on the surface is easy to clean.

[0033] After the long catheter placement is completed, loosen the fastening screw 5 on the connector 4, pull out the telescopic rod 3, then loosen the fastening screw 5 on the side wall of the second arc rod 1.2, retract the first arc rod 1.1 and the third arc rod 1.3 into the first arc hole 1.2.1 and the second arc hole 1.2.2, then put the disassembled sterile drape facial support device components into the support device placement box 10 in sequence, finally cover the upper limb support plate cover 7, close the lock 8, and the medical staff can take it away. When other patients need to use it, the medical staff only need to place the device on the corresponding bed.

Claims

1. An auxiliary device for placing a modified medium-length catheter, characterized in that, Including sterile drape face support devices and upper limb support devices; The sterile drape face support device includes several telescopic arc rods (1), telescopic rods (3), and several connectors (4). The telescopic arc rods (1) are semi-circular in structure and are divided into three sections: a first arc rod (1.1), a second arc rod (1.2), and a third arc rod (1.3). The first arc rod (1.1) and the third arc rod (1.3) are slidably disposed on both sides of the second arc rod (1.2). The free ends of the first arc rod (1.1) and the third arc rod (1.3) are horizontally fixed with support seats (2). The several connectors (4) are sleeved in the middle of the second arc rod (1.2) and fixed by fastening screws (5). The several telescopic arc rods (1) are connected by the telescopic rods (3) passing through the connectors (4) in sequence, and the connectors (4) and the telescopic rods (3) are fixed by fastening screws (5). The upper limb support device includes an upper limb support box (6) and an upper limb support cover (7). The upper limb support box (6) is a square box structure with an upper limb placement slot (9) on one side and a support device placement box (10) on the other side. The upper limb placement slot (9) is a U-shaped slot adapted to the contour of the upper limb. The upper limb support cover (7) is connected to one side of the upper limb support box (6) by a hinge.

2. The auxiliary device for placement of a modified medium-length catheter according to claim 1, characterized in that, The second arc-shaped rod (1.2) has a first arc-shaped hole (1.2.1) and a second arc-shaped hole (1.2.2) arranged parallel to each other along the arc-shaped axial direction. The first arc-shaped rod (1.1) is located in the second arc-shaped hole (1.2.2), and the third arc-shaped rod (1.3) is located in the first arc-shaped hole (1.2.1). Fastening screws (5) are provided on the side wall of the second arc-shaped rod (1.2) on one side of the first arc-shaped hole (1.2.1) and the second arc-shaped hole (1.2.2).

3. The auxiliary device for placement of a modified medium-length catheter according to claim 2, characterized in that, The first arc-shaped hole (1.2.1) and the second arc-shaped hole (1.2.2) are both provided with sliding grooves, and the first arc-shaped rod (1.1) and the third arc-shaped rod (1.3) are provided with sliding rails at corresponding positions, and the sliding rails cooperate with the sliding grooves.

4. The auxiliary device for placement of a modified medium-length catheter according to claim 1, characterized in that, The connector (4) includes a first collar (4.1) and a second collar (4.2). The first collar (4.1) is an annular structure with an inner diameter adapted to the telescopic rod (3). The telescopic rod (3) is located inside the first collar (4.1). The second collar (4.2) is an annular structure with an inner diameter adapted to the second arc-shaped rod (1.2). The second arc-shaped rod (1.2) is located inside the second collar (4.2). The first collar (4.1) and the second collar (4.2) are perpendicular in direction and connected vertically.

5. An auxiliary device for placing a modified medium-length catheter according to claim 1, characterized in that, The inner surface of the upper limb placement slot (9) is covered with a silicone pad, and the surface of the silicone pad is provided with a smooth antibacterial coating.

6. The auxiliary device for placement of a modified medium-length catheter according to claim 1, characterized in that, A latch (8) is provided on the opposite side wall of the upper limb support box (6) and the upper limb support cover (7) on the connecting side.