Remaining needle fixing device

By designing an intravenous catheter fixing device including a flexible fixing part and an adjustment ring, the problem of unstable fixation of intravenous catheters is solved, a stable and adaptable fixing effect is achieved, and damage to the skin is reduced.

CN223380899UActive Publication Date: 2025-09-26THE FIRST AFFILIATED HOSPITAL OF BAOTOU MEDICAL COLLEGE OF INNER MONGOLIA UNIV OF SCI & TECH
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Patent Information

Application Number
CN202422335621.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2025-09-26
Estimated Expiration
2034-09-25

AI Technical Summary

Technical Problem

The existing fixation method of intravenous catheters is prone to adhesion failure due to factors such as patient sweating, and long-term use of tape to fix them will cause the skin to become fragile.

Method used

An indwelling needle fixing device is used, which includes a first flexible fixing part and an adjustment ring. The indwelling needle positive pressure connector is fixed by the first fixing part, and the second fixing part is sleeved on the arm. The adjustment ring can adjust the size of the fixing part to adapt to different needs, and uses elasticity and bonding structure to improve the fixing effect.

Benefits of technology

The positive pressure connector of the indwelling needle is firmly fixed, adapts to different body shapes, avoids detachment, and reduces damage to the skin.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a remaining needle fixing device which comprises a first flexible fixing piece and an adjusting ring. The first flexible fixing piece is of an annular structure, the first flexible fixing piece can penetrate through the adjusting ring after being folded, a first fixing part is formed on one side of the adjusting ring, and a second fixing part is formed on the other side of the adjusting ring; the first fixing part is used for fixing a positive pressure connector of the remaining needle; the second fixing part is used for sleeving an arm of a human body; the adjusting ring can move along the first flexible fixing piece so as to change the size of the first fixing part and the size of the second fixing part. The first flexible fixing part and the adjusting ring are matched to form the first fixing part and the second fixing part, the arm is sleeved with the second fixing part, the positive pressure connector of the remaining needle is sleeved and fixed through the first fixing part, then the positive pressure connector of the remaining needle is fixed, the positive pressure connector side of the remaining needle is firmly fixed, and the remaining needle is prevented from being damaged. And the positive pressure joint of the remaining needle can be fixed for a long time.
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Description

Technical Field

[0001] The utility model relates to the field of medical devices, in particular to a fixing device for an indwelling needle. Background Art

[0002] The use of intravenous catheters (Vein Detained Needle) is a better method of clinical infusion; on the one hand, it can relieve the pain of repeated scalp punctures in infants and young children, and it can also be used for adults who require long-term infusion. On the other hand, it also reduces the workload of clinical nurses.

[0003] Currently, when using an IV catheter, the positive pressure connector side of the IV catheter is typically secured with medical tape. However, IV catheters are not disposable, and using tape to secure them can lead to adhesive failure due to sweating, and prolonged use of tape on the arm can cause skin brittleness. These issues urgently need to be addressed. Utility Model Content

[0004] The utility model discloses an indwelling needle fixing device, aiming to solve the technical problems existing in the prior art.

[0005] The utility model adopts the following technical solutions:

[0006] The utility model provides a device for fixing an indwelling needle, which includes a first flexible fixing piece and an adjusting ring; the first flexible fixing piece is a ring-shaped structure, and the first flexible fixing piece can pass through the adjusting ring after being folded in half, and forms a first fixing portion on one side of the adjusting ring and a second fixing portion on the other side; the first fixing portion is used to fix the positive pressure connector of the indwelling needle; the second fixing portion is used to be sleeved on the human arm; the adjusting ring can move along the first flexible fixing piece to change the size of the first fixing portion and the second fixing portion.

[0007] The indwelling needle fixing device of the present invention also includes a second flexible fixing piece; the second flexible fixing piece is connected to the first flexible fixing piece and forms a third fixing part together with the first flexible fixing piece; the third fixing part is used to fix the extension tube or infusion tube of the indwelling needle.

[0008] In the indwelling needle fixing device of the present invention, the first flexible fixing member is elastic, the ends of the first flexible fixing member are detachably connected, and the connection position is adjustable to change the size of the formed annular structure.

[0009] In the indwelling needle fixing device of the present invention, the first flexible fixing member is an elastic bandage, and the ends thereof are bonded and fixed to form a ring structure.

[0010] In the indwelling needle fixing device of the present invention, ribs are provided on the second fixing portion along the width direction.

[0011] In the indwelling needle fixing device of the present invention, a plurality of ribs are provided on the first flexible fixing member, and the plurality of ribs are arranged at intervals.

[0012] In the indwelling needle fixing device of the present invention, an adhesive structure is provided on the inner surface of the first fixing portion; the adhesive structure is used to bond with the positive pressure connector of the indwelling needle.

[0013] In the indwelling needle fixing device of the present invention, a plurality of adhesive structures are provided on the inner surface of the first fixing portion at intervals along the circumferential direction; and a non-adhesive area is formed between adjacent adhesive structures.

[0014] In the indwelling needle fixing device of the present invention, the first flexible fixing part is an elastic ring; the adjustment ring is made of rigid material, and the inner side is a long strip hole structure, and the width of the long strip hole is less than twice the width of the first flexible fixing part and greater than the width of the first flexible fixing part.

[0015] In the indwelling needle fixing device of the present invention, the first flexible fixing member is a long strip structure, and the ends thereof are detachably connected.

[0016] In the indwelling needle fixing device of the present invention, a hanging ring is provided at the end of one side of the first flexible fixing piece, and a first adhesive portion and a second adhesive portion are provided in sequence on the other side along the length direction of the first flexible fixing piece, and the first adhesive portion is closer to the end; the first adhesive portion can pass through the hanging ring and then fold back and adhere to the second adhesive portion.

[0017] The technical solution adopted by the utility model can achieve the following beneficial effects:

[0018] The utility model mainly provides a fixing device for an indwelling needle, which is based on the cooperation of a first flexible fixing part and an adjusting ring to form a first fixing part and a second fixing part, and the second fixing part is sleeved with the arm, and the first fixing part is sleeved and fixed with the positive pressure joint of the indwelling needle, thereby fixing the positive pressure joint of the indwelling needle in position; thereby, the fixation of the positive pressure joint side of the indwelling needle is more convenient and firm, and the positive pressure joint of the indwelling needle can be fixed for a long time. Furthermore, by making the position of the adjusting ring variable, the size of the first fixing part and the second fixing part can be adjusted, for example, the first fixing part can be enlarged or reduced to facilitate the release or insertion of the positive pressure joint of the indwelling needle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments, which constitute a part of the present invention. The schematic embodiments of the present invention and their descriptions explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0020] Figure 1 This is a structural diagram of an indwelling needle fixing device of the present utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the first flexible fixing member of the utility model provided with ribs;

[0022] Figure 3 This is a schematic diagram of the structure of the adjustment ring of the utility model when the position can be adjusted;

[0023] Figure 4 This is a structural diagram of the utility model when the adjusting ring clamps the first flexible fixing member;

[0024] Figure 5 and Figure 6 This is a schematic structural diagram of the end connection of the first flexible fixing member in a preferred embodiment of the present invention.

[0025] Description of reference numerals:

[0026] 1. First flexible fixing member; 11. Hanging ring; 12. First adhesive portion; 13. Second adhesive portion; 2. Adjustment ring; 3. First fixing portion; 4. Second fixing portion; 5. Rib; 6. Adhesive structure; 7. Non-adhesive area; 8. Second flexible fixing member; 9. Third fixing portion. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the specific embodiments of the present invention and the corresponding drawings. In the description of the present invention, it should be noted that the term "or" is generally used in the sense of including "and / or" unless the content clearly indicates otherwise.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or a magnetic connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. In addition, in the description of this application, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present invention, the meaning of "multiple" is at least two, such as two, three or more, etc., unless otherwise clearly specified and limited.

[0029] Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] In order to solve the problems existing in the prior art, an embodiment of the present application provides an indwelling needle fixing device.

[0031] like Figure 1 As shown, a device for fixing an indwelling needle comprises a first flexible fixing member 1 and an adjusting ring 2; the first flexible fixing member 1 is a ring-shaped structure, which can pass through the adjusting ring 2 after being folded in half, and forms a first fixing portion 3 on one side of the adjusting ring 2 and a second fixing portion 4 on the other side; the first fixing portion 3 is used to fix the positive pressure connector of the indwelling needle, specifically, the first fixing portion 3 is sleeved on the positive pressure connector; the second fixing portion 4 is used to be sleeved on the human arm; the adjusting ring 2 can move along the first flexible fixing member 1 to change the size of the first fixing portion 3 and the second fixing portion 4.

[0032] The utility model provides an indwelling needle fixing device, which is based on a first flexible fixing piece 1 and an adjusting ring 2 that cooperate to form a first fixing part 3 and a second fixing part 4, and the second fixing part 4 is sleeved with the arm, and the first fixing part 3 is sleeved and fixed with the positive pressure joint of the indwelling needle, thereby fixing the positive pressure joint of the indwelling needle in position; thereby, the fixation of the positive pressure joint side of the indwelling needle is more convenient and firm, and the positive pressure joint of the indwelling needle can be fixed for a long time. Furthermore, by making the position of the adjusting ring 2 variable, the size of the first fixing part 3 and the second fixing part 4 can be adjusted, for example, the first fixing part 3 can be enlarged or reduced to facilitate the release or insertion of the positive pressure joint of the indwelling needle.

[0033] In some preferred embodiments, Figure 1As shown, it also includes a second flexible fixing member 8; the second flexible fixing member 8 is connected to the first flexible fixing member 1, and forms a third fixing portion 9 with the first flexible fixing member 1; the third fixing portion 9 is used to fix the extension tube or infusion tube of the indwelling needle; when in use, the extension tube or infusion tube is passed through the third fixing portion 9 to limit the position of the extension tube or infusion tube. Based on the setting of the third fixing portion 9, the movement range of the extension tube or infusion tube can be limited to prevent the extension tube or infusion tube from being caught on other objects.

[0034] In some preferred embodiments, the first flexible fixing member 1 is elastic, the ends of the first flexible fixing member 1 are detachably connected, and the connection position is adjustable to change the size of the formed annular structure; preferably, the ends of the first flexible fixing member 1 are bonded and fixed, and the size of the formed annular structure can be changed by changing the length of the overlapping bonded portion, so that it can be suitable for people of different body shapes, thereby increasing the scope of application, and can improve the fixing effect to avoid movement on the arm.

[0035] In some preferred embodiments, the first flexible fixing member 1 is an elastic bandage, and the ends are bonded and fixed to form a ring structure; based on the use of an elastic bandage as the first flexible fixing member 1, when fixed on the arm, it can increase the friction between the skin and improve the stability of the position.

[0036] In some preferred embodiments, Figure 2 As shown, ribs 5 are provided on the second fixing portion 4 along the width direction; based on the setting of the ribs 5, it is helpful to maintain a certain width of the first flexible fixing member 1 at the second fixing portion 4, thereby preventing the edge of the first flexible fixing member 1 from curling and affecting the user experience; preferably, the ribs 5 are set to the same width as the first flexible fixing member 1.

[0037] Preferably, a plurality of ribs 5 are provided on the first flexible fixing member 1 , and the plurality of ribs 5 are arranged at intervals.

[0038] In some preferred embodiments, Figure 1 As shown, an adhesive structure 6 is provided on the inner surface of the first fixing part 3; the adhesive structure 6 is used to bond with the positive pressure connector of the indwelling needle; based on the setting of the adhesive structure 6, the firmness of the fixation of the positive pressure connector of the indwelling needle is improved to prevent it from detaching from the first fixing part 3.

[0039] Preferably, a plurality of bonding structures 6 are provided at intervals along the circumferential direction on the inner surface of the first fixing portion 3; a non-bonding area 7 is provided between adjacent bonding structures 6; that is, a circumferential portion of the positive pressure connector of the indwelling needle is bonded, which not only improves the firmness of the fixation of the positive pressure connector of the indwelling needle, but also facilitates the disassembly of the positive pressure connector of the indwelling needle.

[0040] In some preferred embodiments, Figure 3 and Figure 4As shown, the first flexible fixing member 1 is an elastic ring; the adjusting ring 2 is made of rigid material, and the inner side is a long strip hole structure, and the width of the long strip hole is less than twice the width of the first flexible fixing member 1 and larger than the width of the first flexible fixing member 1; in use, when it is necessary to adjust the size of the first fixing part 3 and the second fixing part 4, the two folded parts of the first flexible fixing member 1 are arranged side by side along the length direction of the long strip hole. At this time, the adjusting ring 2 can move along the length direction of the first flexible fixing member 1 to change the size of the first fixing part 3 and the second fixing part 4; when the size of the first fixing part 3 and the second fixing part 4 is adjusted, the adjusting ring 2 is rotated so that the adjusting ring 2 can clamp the two folded parts of the first flexible fixing member 1 to fix the size of the first fixing part 3 and the second fixing part 4, thereby maintaining stable fixation of the positive pressure joint, and avoiding excessive movement of the adjusting ring 2, which causes the size of the first fixing part 3 to become larger and the positive pressure joint to be out of control.

[0041] In some preferred embodiments, the first flexible fixing member 1 is a long strip structure, and the ends are detachably connected.

[0042] In some preferred embodiments, the second fixing part 4 is provided with an adhesive layer to be bonded and fixed to the arm.

[0043] In some preferred embodiments, the first flexible fixing member 1 comprises a material having a mosquito repellent effect.

[0044] In some preferred embodiments, Figure 5 and Figure 6 As shown, a hanging ring 11 is provided at the end of one side of the first flexible fixing member 1, and a first adhesive portion 12 and a second adhesive portion 13 are provided in sequence on the other side along the length direction of the first flexible fixing member 1, and the first adhesive portion 12 is closer to the end; the first adhesive portion 12 can pass through the hanging ring 11 and then bend back and adhere to the second adhesive portion 13 to improve the stability of the formed ring structure.

[0045] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the purpose of the present invention and the claims, all of which are within the protection of the present invention.

Claims

1. A device for fixing an indwelling needle, characterized in that: comprising a first flexible fixing member and an adjusting ring; The first flexible fixing member is a ring-shaped structure, and the first flexible fixing member can pass through the adjustment ring after being folded in half, and forms a first fixing portion on one side of the adjustment ring and a second fixing portion on the other side; The first fixing portion is used to fix the positive pressure connector of the indwelling needle; The second fixing portion is used to be mounted on a human arm; The adjustment ring is movable along the first flexible mount to change the size of the first and second mount portions.

2. The indwelling needle fixing device according to claim 1, characterized in that: It also includes a second flexible fixing piece; the second flexible fixing piece is connected to the first flexible fixing piece and forms a third fixing part with the first flexible fixing piece; the third fixing part is used to fix the extension tube or infusion tube of the indwelling needle.

3. The indwelling needle fixing device according to claim 1, characterized in that: The first flexible fixing member is elastic, and the ends of the first flexible fixing member are detachably connected, and the connection position is adjustable to change the size of the formed annular structure.

4. The indwelling needle fixing device according to claim 1, characterized in that: The first flexible fixing member is an elastic bandage, and the ends thereof are bonded and fixed to form a ring structure.

5. The indwelling needle fixing device according to claim 1, characterized in that: The second fixing portion is provided with ribs along the width direction.

6. The indwelling needle fixing device according to claim 5, characterized in that: The first flexible fixing member is provided with a plurality of ribs, and the plurality of ribs are arranged at intervals.

7. The indwelling needle fixing device according to claim 1, characterized in that: The inner surface of the first fixing portion is provided with an adhesive structure; the adhesive structure is used to be bonded to the positive pressure connector of the indwelling needle.

8. The indwelling needle fixing device according to claim 7, characterized in that: A plurality of bonding structures are arranged at intervals along the circumferential direction on the inner surface of the first fixing portion; and a non-bonding area is formed between adjacent bonding structures.

9. The indwelling needle fixing device according to claim 1, characterized in that: The first flexible fixing member is an elastic ring; the adjustment ring is made of a rigid material, and has an elongated hole structure on the inner side, and the width of the elongated hole is less than twice the width of the first flexible fixing member and greater than the width of the first flexible fixing member.

10. The indwelling needle fixing device according to claim 1, characterized in that: A hanging loop is provided at the end of one side of the first flexible fixing member, and a first adhesive portion and a second adhesive portion are provided in sequence along the length direction of the first flexible fixing member on the other side, with the first adhesive portion being closer to the end; The first adhesive portion can pass through the hanging loop and then be folded back to be bonded to the second adhesive portion.