CN215840898U

CN215840898U - Fixing device of needle is kept somewhere to vein

Info

Publication number: CN215840898U
Application number: CN202023266227.0U
Authority: CN
Inventors: 王明; 殷凯
Original assignee: Zhenjiang College
Current assignee: Zhenjiang College
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2022-02-18
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a fixing device for a venous indwelling needle, which relates to the technical field of medical instruments and comprises a wrist strap, wherein one end of the wrist strap is fixedly connected with a fixed block, a mounting groove is formed in the fixed block, a sliding groove is formed in one side of the mounting groove, a sliding block is movably connected in the sliding groove, a spring groove is formed in one end of the sliding block, a first spring is fixedly connected in the spring groove, one end, far away from the spring groove, of the first spring is fixedly connected with the sliding groove, and a movable groove is formed in the bottom of the fixed block. The fixing block, the fixing belt and the fixing groove are matched, so that the arm fixing device can be suitable for arms of patients with different thicknesses, and the problem of looseness or no bleeding caused by too thick or too thin arms is solved.

Description

Fixing device of needle is kept somewhere to vein

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a fixing device of a venous indwelling needle.

Background

The majority of the patients who are in hospital at present use the vein indwelling needle, on one hand, the pain of the patients for puncturing the blood vessel every day can be reduced, the blood vessel of the patients is protected, on the other hand, the risk of infection is also reduced, but the fixing method of the vein indwelling needle still has some problems clinically, the tail end of the indwelling needle is fixed, the clinical multipurpose adhesive plaster is fixed, some patients are allergic to the adhesive plaster material, the adhesive plaster is not firm, especially, in summer, the patients have much sweat, the adhesiveness is easily lost, and some patients touch water when washing hands or bathing, the adhesive plaster is also easily caused to lose the adhesiveness, and a device for fixing the indwelling needle is used for fixing the fixing device of the vein indwelling needle.

At present, the fixing device of the existing venous indwelling needle is a phenomenon that a tightening belt like a rubber band easily lacerates a patient with a fat body when being used by the patient and causes no excessive blood, and the fixing device of the existing venous indwelling needle is not provided with a vent hole and a water absorption layer, and is easy to sweat and not breathable in summer due to the heat of the day, thus being easy to cause inflammation and infection.

Therefore, it is necessary to invent a fixing device of venous indwelling needle to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fixing device of a venous indwelling needle, which solves the problems that the size of the fixing device of the existing venous indwelling needle cannot be changed and a vent hole and a water absorption layer are not available.

In order to achieve the purpose, the utility model provides the following technical scheme: a fixing device for a venous indwelling needle comprises a wrist strap, wherein one end of the wrist strap is fixedly connected with a fixed block, a mounting groove is formed in the fixed block, a sliding groove is formed in one side of the mounting groove, a sliding block is movably connected in the sliding groove, a spring groove is formed in one end of the sliding block, a first spring is fixedly connected in the spring groove, one end, away from the spring groove, of the first spring is fixedly connected with the sliding groove, a movable groove is formed in the bottom of the fixed block, a push rod is movably connected in the movable groove, one end of the push rod is fixedly connected with the sliding block, an air vent is formed in the surface of the wrist strap, a fixing ring is fixedly connected in the middle of the surface of the wrist strap and consists of two semicircles, the middle of the fixing ring is fixedly connected through a pin shaft, and the two semicircles are symmetrically arranged relative to the middle of the pin shaft, the outside winding of round pin axle has the second spring, second spring both ends respectively with two semicircle fixed connection, the inside fixedly connected with layer that absorbs water of wrist strap, the other end fixedly connected with fixed band of wrist strap, the fixed slot has been seted up on the surface of fixed band, the fixed band is trapezoidal, fixed band and mounting groove looks adaptation.

Optionally, the other end of the sliding block is trapezoidal, and the sliding block is matched with the sliding groove.

Optionally, the push rod is adapted to the movable groove, and the movable groove is adapted to the sliding groove.

Optionally, the vent holes are provided in plurality, and the plurality of vent holes are arranged at equal intervals.

Optionally, the fixed slot is provided with a plurality ofly, and is a plurality of the fixed slot is equidistant range, the fixed slot is cylindrically, fixed slot and slider looks adaptation.

The utility model has the technical effects and advantages that:

1. the utility model can absorb sweat and keep dry through the matching arrangement between the vent hole and the water absorption layer, and solves the problems of inflammation and infection caused by airtight sweating.

2. The fixing block, the fixing belt and the fixing groove are matched, so that the arm fixing device is suitable for arms of patients with different thicknesses, and the problem that the arms are too thick or too thin to cause looseness or excessive blood is solved.

Drawings

FIG. 1 is a schematic top view of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view of a retainer block structure according to the present invention;

FIG. 3 is a schematic side cross-sectional view of the wristband construction of the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 3 at A according to the present invention;

fig. 5 is a perspective view of the fastening tape structure of the present invention.

In the figure: 1. a fixed block; 2. a wristband; 3. a vent hole; 4. a fixing ring; 5. fixing belts; 6. fixing grooves; 7. a push rod; 8. mounting grooves; 9. a slider; 10. a spring slot; 11. a movable groove; 12. a first spring; 13. a chute; 14. a water-absorbing layer; 15. a pin shaft; 16. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The utility model provides a fixing device of a vein indwelling needle as shown in figures 1-5, which comprises a wrist strap 2, wherein one end of the wrist strap 2 is fixedly connected with a fixed block 1, the inside of the fixed block 1 is provided with a mounting groove 8, one side of the mounting groove 8 is provided with a sliding groove 13, the inside of the sliding groove 13 is movably connected with a sliding block 9, one end of the sliding block 9 is internally provided with a spring groove 10, the inside of the spring groove 10 is fixedly connected with a first spring 12, one end of the first spring 12 far away from the spring groove 10 is fixedly connected with the sliding groove 13, the other end of the sliding block 9 is trapezoidal, the sliding block 9 is matched with the sliding groove 13, the bottom of the fixed block 1 is provided with a movable groove 11, the inside of the movable groove 11 is movably connected with a push rod 7, one end of the push rod 7 is fixedly connected with the sliding block 9, the push rod 7 is matched with the movable groove 11, the movable groove 11 is matched with the sliding groove 13, the surface of the wrist strap 2 is provided with a vent hole 3, the plurality of air vents 3 are arranged, the plurality of air vents 3 are arranged at equal intervals, the middle part of the surface of the wrist strap 2 is fixedly connected with a fixing ring 4, the fixing ring 4 consists of two semicircles, the middle part of the fixing ring 4 is fixedly connected with a pin shaft 15, the two semicircles are symmetrically arranged about the middle part of the pin shaft 15, a second spring 16 is wound on the outer side of the pin shaft 15, two ends of the second spring 16 are respectively fixedly connected with the two semicircles, a water absorption layer 14 is fixedly connected inside the wrist strap 2, the air vents 3 and the water absorption layer 14 are matched with each other to absorb sweat and keep dry and comfortable, the problem of inflammation and infection caused by airtight sweating is solved, the other end of the wrist strap 2 is fixedly connected with a fixing strap 5, the surface of the fixing strap 5 is provided with a plurality of fixing grooves 6, the plurality of fixing grooves 6 are arranged at equal intervals, the fixing grooves 6 are cylindrical, the fixing grooves 6 are matched with the sliding blocks 9, fixed band 5 is trapezoidal, and fixed band 5 and mounting groove 8 looks adaptation set up through the cooperation between fixed block 1, fixed band 5 and the fixed slot 6, can be suitable for the patient's arm of different thicknesses, have solved because the arm is too thick or too thin causes not hard up or the problem of no blood.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

This practical theory of operation: when in use, the wrist strap 2 is fixed on the arm of a patient through the fixing block 1 and the fixing band 5, the fixing band 5 is inserted into the mounting groove 8 in the fixing block 1, the fixing band 5 moves to extrude the sliding block 9, the sliding block 9 moves towards the inside of the sliding groove 13 and simultaneously extrudes the first spring 12, the first spring 12 contracts to generate elastic force, when the sliding groove 13 corresponds to the fixing groove 6, the elastic force of the first spring 12 pushes the sliding block 9 to extend into the fixing groove 6 for fixing, the fixing ring 4 is opened to extrude the second spring 16, the second spring 16 generates elastic force, the elastic force of the second spring 16 which puts an indwelling needle into the fixing ring 4 tightens the fixing ring 4 for fixing, the water absorption layer 14 absorbs sweat, the push rod 7 is pushed when being dismantled, the push rod 7 drives the sliding block 9 to move towards the inside of the sliding groove 13 and simultaneously extrudes the first spring 12, the first spring 12 contracts to generate elastic force, when the sliding block 9 exits the fixing groove 6, the fixing belt 5 is taken out.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A fixing device of a venous indwelling needle comprises a wrist strap (2), and is characterized in that: one end of the wrist strap (2) is fixedly connected with a fixed block (1), a mounting groove (8) is formed in the fixed block (1), a sliding groove (13) is formed in one side of the mounting groove (8), a sliding block (9) is movably connected to the inside of the sliding groove (13), a spring groove (10) is formed in one end of the sliding block (9), a first spring (12) is fixedly connected to the inside of the spring groove (10), one end, far away from the spring groove (10), of the first spring (12) is fixedly connected with the sliding groove (13), a movable groove (11) is formed in the bottom of the fixed block (1), a push rod (7) is movably connected to the inside of the movable groove (11), one end of the push rod (7) is fixedly connected with the sliding block (9), an air vent hole (3) is formed in the surface of the wrist strap (2), and a fixing ring (4) is fixedly connected to the middle of the surface of the wrist strap (2), gu fixed ring (4) comprises two semicircles, the middle part of solid fixed ring (4) is through round pin axle (15) fixed connection, two semicircles are symmetrical arrangement about the middle part of round pin axle (15), the outside winding of round pin axle (15) has second spring (16), second spring (16) both ends respectively with two semicircle fixed connection, the inside fixedly connected with of wrist strap (2) layer (14) that absorbs water, the other end fixedly connected with fixed band (5) of wrist strap (2), fixed slot (6) have been seted up on the surface of fixed band (5), fixed band (5) are trapezoidal, fixed band (5) and mounting groove (8) looks adaptation.

2. The venous indwelling needle fastening device of claim 1, wherein:

the other end of the sliding block (9) is trapezoidal, and the sliding block (9) is matched with the sliding groove (13).

3. The venous indwelling needle fastening device of claim 1, wherein:

the push rod (7) is matched with the movable groove (11), and the movable groove (11) is matched with the sliding groove (13).

4. The venous indwelling needle fastening device of claim 1, wherein:

the air holes (3) are arranged in a plurality, and the air holes (3) are arranged at equal intervals.

5. The venous indwelling needle fastening device of claim 1, wherein:

the fixing groove (6) is provided with a plurality of fixing grooves (6) which are arranged at equal intervals, the fixing grooves (6) are cylindrical, and the fixing grooves (6) are matched with the sliding blocks (9).