CN216676595U

CN216676595U - Fixing device for preventing venous indwelling needle from dropping out

Info

Publication number: CN216676595U
Application number: CN202122195209.6U
Authority: CN
Inventors: 李芸; 陈娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-11
Filing date: 2021-09-11
Publication date: 2022-06-07
Anticipated expiration: 2031-09-11

Abstract

The utility model discloses a fixing device for preventing a vein indwelling needle from falling off, which relates to the technical field of medical equipment and comprises a limiting ring, an elastic binding belt, a rubber ring, a spongy cushion, a first limiting belt, a sliding chute, a baffle plate, a screw rod, a positioning knob, a sliding hole, a screw rod, a cylinder, a second limiting belt and an observation hole, wherein the elastic binding belt is connected to the bottoms of the two sides of the limiting ring in a short way; impel the baffle, the baffle slides along the spout, can guarantee that the spout covers the position deep into at the syringe needle, avoids having the position bending of syringe needle, avoids leading to the fact the damage to oneself, and assurance patient that can be better avoids keeping somewhere and causes the injury to the patient.

Description

Fixing device for preventing venous indwelling needle from dropping out

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a fixing device for preventing a venous indwelling needle from falling off.

Background

The application of the vein indwelling needle is a better method for clinical transfusion, on one hand, the vein indwelling needle can relieve the pain of the infants caused by repeated puncture of scalp acupuncture, and can be suitable for adults with long-term transfusion. On the other hand, the workload of clinical nurses is also reduced;

when the existing indwelling needle is used, the indwelling needle is easy to loosen when not used, the needle head is twisted in a blood vessel to damage the blood vessel, and when the existing indwelling needle is used, the position with the needle head is easy to bend and easily injure the skin.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fixing device for preventing a venous indwelling needle from falling off, and solves the technical problems that the indwelling needle is easy to loosen when not in use, a needle head is twisted in a blood vessel to damage the blood vessel, the position with the needle head is easy to bend when in use, and the skin is easy to be damaged.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the fixing device for preventing the venous indwelling needle from being separated comprises a limiting ring, elastic binding belts, a rubber ring, a sponge cushion, a first limiting belt, a sliding groove, a baffle, a screw rod, a positioning knob, a sliding hole, a screw rod, a cylinder, a second limiting belt and an observation hole, wherein the elastic binding belts are connected to the bottoms of the two sides of the limiting ring in a short mode, the rubber ring is fixed between the two elastic binding belts, the sliding groove is formed in the limiting ring, the baffle is inserted into the sliding groove, the sliding hole is formed in the top groove wall of the sliding groove, the screw rod is fixed to the top end of the baffle, the screw rod penetrates through the sliding hole in the inner portion of the screw rod, the positioning knob is installed at the top end of the sliding hole in a matched mode, the observation hole is formed in the limiting ring, and the first limiting belt and the second limiting belt are fixed to the inner wall of the limiting ring respectively.

As a further scheme of the utility model: and a cylinder is welded on one side of the limiting ring, a piston is arranged in the cylinder, and one end of the screw rod penetrates through the end wall of the cylinder in a threaded fit manner.

As a further scheme of the utility model: the first limiting belt and the second limiting belt are respectively arranged on two sides of the observation hole, and the cylinder is communicated with the first limiting belt and the second limiting belt.

As a further scheme of the utility model: and sponge pads are fixedly adhered to the inner circular walls of the rubber ring and the limiting ring.

As a further scheme of the utility model: the baffle is of an arc structure, and the limiting ring is arranged in parallel with the baffle.

The utility model has the beneficial effects that:

according to the utility model, the gas of the cylinder is led into the first limiting belt and the second limiting belt, the needle cap is positioned by the expansion of the first limiting belt, the retained needle can be limited and fixed by the blocking of the needle cap by the second limiting belt, the falling of the retained needle is avoided, the movement of the retained needle is avoided, and the safety of the blood vessel is ensured; impel the baffle, the baffle slides along the spout, can guarantee that the spout covers the position deep into at the syringe needle, avoids having the position bending of syringe needle, avoids leading to the fact the damage to oneself, and assurance patient that can be better avoids keeping somewhere and causes the injury to the patient.

Drawings

FIG. 1 is a front perspective view of the fixing device for preventing the venous indwelling needle from coming off;

FIG. 2 is a perspective view of the fixing device for preventing the venous indwelling needle from coming off;

FIG. 3 is a front view of the fixing device for preventing the venous indwelling needle from coming off;

illustration of the drawings:

1. a limiting ring; 2. an elastic binding band; 3. a rubber ring; 4. a sponge cushion; 5. a first limit belt; 6. a chute; 7. a baffle plate; 8. a screw rod; 9. positioning a knob; 10. a slide hole; 11. a screw; 12. a cylinder; 13. a second limit belt; 14. and (6) observing holes.

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.

Specific examples are given below.

Referring to fig. 1 to 3, a fixing device for preventing a vein indwelling needle from falling off comprises a limit ring 1, elastic binding belts 2, a rubber ring 3, a spongy cushion 4, a first limit belt 5, a sliding groove 6, a baffle 7, a screw rod 8, a positioning knob 9, a sliding hole 10, a screw rod 11, an air cylinder 12, a second limit belt 13 and an observation hole 14, wherein the elastic binding belts 2 are connected to the bottoms of the two sides of the limit ring 1 in a short manner, the rubber ring 3 is fixed between the two elastic binding belts 2, the sliding groove 6 is arranged inside the limit ring 1, the baffle 7 is inserted into the sliding groove 6, the sliding hole 10 is arranged in the top groove wall of the sliding groove 6, the screw rod 8 is fixed to the top end of the baffle 7, the inside of the screw rod 8 penetrates through the sliding hole 10, the positioning knob 9 is installed at the top end of the sliding hole 10 in a matching manner, the observation hole 14 is arranged on the limit ring 1, the first limit belt 5 and the second limit belt 13 are respectively fixed to the inner wall of the limit ring 1, the gas of the cylinder 12 is led into the first limit belt 5 and the second limit belt 13, the needle cap is positioned through the expansion of the first limit belt 5, the retained needle can be limited and fixed through the blocking of the needle cap by the second limit belt 13, the falling of the retained needle is avoided, the movement of the retained needle is avoided, and the safety of blood vessels is ensured;

one side of spacing ring 1 is welded and is equipped with cylinder 12, the inside of cylinder 12 is provided with the piston, screw rod 11's one end is passed through in the end wall that screw-thread fit runs through cylinder 12, first spacing area 5 and second spacing area 13 set up the both sides at observation hole 14 respectively, cylinder 12 and first spacing area 5 and the spacing area 13 intercommunication of second, it is fixed with foam-rubber cushion 4 to paste on the circular arc inner wall of rubber ring 3 and the circular arc inner wall of spacing ring 1, baffle 7 is circular arc type structure,

spacing ring

1 and 7 parallel arrangement of baffle, baffle 7 slides along spout 6, can guarantee that spout 6 covers and deepens the position at the syringe needle, avoid having the position bending of syringe needle, avoid leading to the fact the damage to oneself, assurance patient that can be better, avoid keeping somewhere and cause the injury to the patient.

The working principle is as follows: when in use, the limiting ring 1 and the rubber ring 3 are sleeved on the wrist under the matching of the elastic binding belt 2, when the wrist is used, the observation hole 14 is placed at the position of the needle cap of the indwelling needle, the screw rod 11 is rotated to extrude the piston, the gas in the cylinder 12 is led into the first limit belt 5 and the second limit belt 13, the positioning of the needle cap is realized through the expansion of the first limit belt 5, the limit fixing of the indwelling needle can be realized through the blocking of the needle cap by the second limit belt 13, the falling of the indwelling needle is avoided, the movement of the indwelling needle is avoided, the safety of blood vessels is ensured, when using, not hard up location knob 9 impels baffle 7, and baffle 7 slides along spout 6, can guarantee that spout 6 covers and deepens the position at the syringe needle, avoids having the position bending of syringe needle, avoids leading to the fact the damage to oneself, and assurance patient that can be better avoids keeping somewhere and leads to the fact the injury to the patient.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A fixing device for preventing a venous indwelling needle from dropping out is characterized by comprising a limiting ring (1), elastic binding belts (2), a rubber ring (3), a sponge cushion (4), a first limiting belt (5), a sliding groove (6), a baffle (7), a screw rod (8), a positioning knob (9), a sliding hole (10), a screw rod (11), a cylinder (12), a second limiting belt (13) and an observation hole (14), wherein the elastic binding belts (2) are connected to the bottoms of the two sides of the limiting ring (1) in a short way, the rubber ring (3) is fixed between the two elastic binding belts (2), the sliding groove (6) is formed in the limiting ring (1), the baffle (7) is inserted in the sliding groove (6), the sliding hole (10) is formed in the groove wall at the top of the sliding groove (6), the screw rod (8) is fixed at the top end of the baffle (7), and the inside of the screw rod (8) penetrates through the sliding hole (10), the top cooperation of slide opening (10) is installed and is fixed a position knob (9), observation hole (14) have been seted up on spacing ring (1), be fixed with first spacing area (5) and second spacing area (13) on the inner wall of spacing ring (1) respectively.

2. The fixing device for preventing the venous indwelling needle from falling off is characterized in that a cylinder (12) is welded on one side of the limiting ring (1), a piston is arranged in the cylinder (12), and one end of the screw rod (11) penetrates through the end wall of the cylinder (12) through threaded fit.

3. The fixing device for preventing the venous indwelling needle from falling off according to claim 1, wherein the first and second position-limiting belts (5, 13) are respectively disposed on both sides of the observation hole (14), and the cylinder (12) is communicated with the first and second position-limiting belts (5, 13).

4. The fixing device for preventing the venous indwelling needle from falling off as claimed in claim 1, wherein the foam-rubber cushion (4) is stuck and fixed on the arc inner wall of the rubber ring (3) and the arc inner wall of the spacing ring (1).

5. The fixing device for preventing the venous indwelling needle from falling off as claimed in claim 1, wherein the baffle (7) is of a circular arc structure, and the limiting ring (1) and the baffle (7) are arranged in parallel.