CN219681346U - Remaining needle convenient to disassemble - Google Patents

Abstract

The utility model relates to the technical field of nursing, specifically to an indwelling needle that is easy to disassemble, including a handle with a connecting tube on the left side; a hose installed on the left side of the handle; and a puncture needle set in the hose; The protective cover is located in the handle; the empty groove is opened on the upper and lower sides of the protective cover; the positioning block is located inside the empty groove. The utility model overcomes the shortcomings of the prior art. After the puncture needle is taken out, the handle drives the puncture needle to stand downward, prompting the protective cover and the positioning block to move downward together, and then the protective cover penetrates the round hole and is located at the puncture point. Outside the needle, the positioning block will then pass through the empty slot and penetrate the through hole on the left side through the rebound force of the spring. Therefore, a protective cover is used to protect the puncture needle to avoid direct exposure after the puncture needle is taken out, and to prevent medical staff from accidentally touching it. Injury caused by puncture needle, thus ensuring the safety of medical staff.

Description

An indwelling needle that is easy to disassemble

Technical field

The utility model relates to the field of nursing technology, specifically an indwelling needle that is easy to disassemble.

Background technique

Nursing is an applied science and is divided into home care and paid care. Paid care must be carried out in accordance with the relevant provisions of laws and regulations stipulated by the Ministry of Health, the National Health Commission and the Ministry of Medical Affairs. Basic or routine care must be completed in an organized, purposeful and planned manner, and the patient's body weight must be observed and understood. Based on the basic situation, monitor or obtain condition data based on changes in the condition to cooperate with the doctor in completing the patient's treatment. The use of indwelling needles can reduce the pain caused by repeated venipuncture in children and the fear of injections, and reduce the anxiety of parents. , therefore an indwelling needle that is easy to disassemble is proposed.

According to a new type of indwelling needle with utility model announcement number CN212141073U, the utility model adopts an elliptical indwelling needle holder cross-section, which can effectively reduce the discomfort caused by compression to the patient, effectively extend the use time of the indwelling needle, and reduce the damage to the skin. stimulation and reduce pain. The setting of the handle is easy to disassemble, which improves the operating efficiency of medical personnel and facilitates operation;

However, when the puncture needle is withdrawn, it is easily exposed to the outside, and medical staff sometimes accidentally touch the needle, causing puncture wounds and infections, which affects the safety of medical staff. In addition, the needle is usually left in place for pushing in the medicinal solution. The indwelling tube is often difficult to disassemble. However, in order to prevent the leakage of the medicinal solution, it is usually set relatively tightly, making it difficult to disassemble during disassembly.

Utility model content

In view of the shortcomings of the existing technology, the present utility model provides an indwelling needle that is easy to disassemble. It is proposed that the puncture needle is easily exposed to the outside when the puncture needle is withdrawn, and medical personnel sometimes accidentally touch the needle and cause puncture injuries. and infection, thereby affecting the safety of medical personnel, and the indwelling tube used to push the medical solution on the indwelling needle is often difficult to disassemble. However, in order to prevent the leakage of the medical solution, it is usually set relatively tightly, making it difficult to disassemble the problem.

In order to solve the above technical problems, the present utility model provides the following technical solutions:

An indwelling needle that is easy to disassemble, including:

The handle has a connecting tube on the left side;

hose, which is installed on the left side of the handle;

puncture needle, which is arranged in the hose;

A protective cover located inside the handle;

Empty slots are opened on the upper and lower sides of the protective cover;

Positioning block, which is located inside the empty slot;

The indwelling tube is arranged below the connecting tube;

The connection frame is fixed on the left side below the connection pipe;

a fixed frame, which is arranged above the outside of the indwelling tube;

Seal, which is installed at the bottom of the connection frame;

Fixed plates, which are fixed at the lower end of the connecting pipe and located on the left and right sides of the connecting frame;

T-shaped clamping rod, which is located on the outside of the fixed plate and penetrates its inner end;

Tension spring, which is fixed between the inner end of the T-shaped clamping rod and the outer end of the fixed plate;

The clamping block is fixed on the inner end of the T-shaped clamping rod;

Card slots are provided above the left and right sides of the fixed frame.

Preferably, the handle also includes:

A round hole is located on the left side of the handle;

Through holes, which are opened at the left and right ends of the upper and lower sides of the handle;

A spring is fixed between the inner end of the positioning block and the bottom of the empty groove.

Preferably, the outer end of the positioning block passes through the slot and passes through the through hole on the right side.

Preferably, the indwelling tube further includes:

The needle is installed at the upper end of the indwelling tube.

Preferably, the clamping block is inserted into the slot, the upper end of the indwelling tube passes through the fixing frame and is fixed to the bottom of the needle, and the upper end of the needle goes through the fixing frame and the sealing member and penetrates into the connecting tube.

Preferably, the sealing member is made of rubber material.

The embodiment of the present utility model provides an indwelling needle that is easy to disassemble and has the following beneficial effects:

1. After taking out the puncture needle, use the handle to drive the puncture needle upright, causing the protective sleeve and the positioning block to move downward together, and then the protective sleeve will penetrate the round hole and be located outside the puncture needle, and then the positioning block will pass through the spring The elasticity of the needle penetrates the empty slot and penetrates the through hole on the left side of the place. Therefore, the protective cover is used to protect the puncture needle to prevent direct exposure of the puncture needle after being taken out, and to prevent medical staff from being injured by accidentally touching the puncture needle, thereby ensuring safety of health care workers;

2. Pull the T-shaped clamping rod outward, then drive the clamping block to move out of the slot, and then drive the fixed frame to move the needle and the retention tube together, prompting the needle to be taken out of the seal. However, the seal is made of rubber material. When disassembling the indwelling tube, the needle will break away from the seal, and the seal will reset and re-close the connection frame to achieve automatic sealing. Therefore, through the cooperation of the T-shaped clamping rod, clamp block and seal, the indwelling tube can be easily disassembled. , to prevent the indwelling tube from being too tight and difficult to disassemble.

Description of the drawings

The accompanying drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used to explain the present utility model together with the embodiments of the present utility model, and do not constitute a limitation of the present utility model. In the attached picture:

Figure 1 is a schematic structural diagram of the overall front view of the utility model;

Figure 2 is a schematic view of the front three-dimensional structure of the handle of the present utility model;

Figure 3 is a schematic view of the main three-dimensional structure of the protective tube of the present utility model;

Figure 4 is a schematic structural diagram of point A in Figure 1 of the present utility model;

Figure 5 is a schematic structural diagram of position B in Figure 1 of the present invention.

In the picture: 1. Handle; 2. Connecting tube; 3. Hose; 4. Puncture needle; 5. Protective sleeve; 6. Round hole; 7. Positioning block; 8. Empty slot; 9. Spring; 10. Indwelling tube ; 11. Connection frame; 12. Fixed frame; 13. Seal; 14. Fixing plate; 15. T-shaped clamping rod; 16. Clamp block; 17. Clamping slot; 18. Tension spring; 19. Needle; 20. Through hole.

Detailed ways

Preferred embodiments of the present utility model will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the utility model, and are not intended to limit the utility model.

Embodiment: As shown in Figures 1 to 4, an indwelling needle that is easy to disassemble includes a handle 1 with a connecting tube 2 on the left side;

Hose 3, which is installed on the left side of handle 1;

Puncture needle 4, which is arranged in the hose 3;

Protective cover 5, which is located in the handle 1;

Empty slots 8 are opened on the upper and lower sides of the interior of the protective cover 5;

Positioning block 7, which is located inside the empty slot 8;

Handle 1 also includes:

Round hole 6, which is opened on the left side of handle 1;

Through holes 20 are opened at the left and right ends of the upper and lower sides of the handle 1;

Spring 9, which is fixed between the inner end of positioning block 7 and the bottom of empty groove 8;

The outer end of the positioning block 7 passes through the empty groove 8 and passes through the right through hole 20;

Specifically, when taking out the puncture needle 4, move the handle 1 to the right, and then press the positioning block 7 inward, so that the positioning block 7 passes through the through hole 20 and moves into the empty groove 8, causing the positioning block 7 to be squeezed. Spring 9, and then after the puncture needle 4 is taken out, the handle 1 drives the puncture needle 4 to stand downward, prompting the protective cover 5 in the handle 1 to move downward, and the protective cover 5 will drive the positioning block 7 to move downward together, and then The protective cover 5 will penetrate the round hole 6 and be located outside the puncture needle 4. The puncture needle 4 is protected by the protective cover 5 until the protective cover 5 drives the positioning block 7 to move to the left through hole 20, and the positioning block 7 is It will rebound through the rebound force of the spring 9, prompting the positioning block 7 to penetrate the empty slot 8 and penetrate the through hole 20 on the left side, and then position the protective cover 5 through the positioning block 7, so the protective cover 5 is used to puncture The needle 4 protection prevents the puncture needle 4 from being directly exposed after being taken out, and prevents medical staff from accidentally touching the puncture needle 4 and being injured, thereby ensuring the safety of the medical staff;

As shown in Figure 5, the indwelling tube 10 is arranged below the connecting tube 2;

The connecting frame 11 is fixed on the left side below the connecting pipe 2;

The fixed frame 12 is arranged above the outside of the indwelling tube 10;

Seal 13, which is installed at the bottom of the connection frame 11;

Fixed plate 14, which is fixed on the lower end of the connecting pipe 2 and located on the left and right sides of the connecting frame 11;

T-shaped clamping bar 15, which is located outside the fixed plate 14 and penetrates its inner end;

Tension spring 18, which is fixed between the inner end of T-shaped clamping rod 15 and the outer end of fixed plate 14;

The clamping block 16 is fixed on the inner end of the T-shaped clamping rod 15;

Card slots 17 are provided above the left and right sides of the fixed frame 12;

The indwelling tube 10 also includes:

Needle 19, which is installed on the upper end of the indwelling tube 10;

The clamping block 16 is inserted into the slot 17, the upper end of the indwelling tube 10 passes through the fixed frame 12 and is fixed to the bottom of the needle 19, and the upper end of the needle 19 penetrates the fixed frame 12 and the seal 13 and penetrates into the connecting tube 2;

The seal 13 is made of rubber material;

Further, when it is necessary to disassemble the retention tube 10, first pull the T-shaped clamping rod 15 outward, and then drive the clamping block 16 to move out of the clamping slot 17, and at the same time stretch the tension spring 18, and then the clamping block 16 is removed from the clamping slot 17. 17 is removed, the fixed frame 2 can be moved downward, so that the fixed frame 2 drives the needle 19 to move together with the indwelling tube 10, prompting the needle 19 to be taken out from the connecting tube 2 and the connecting frame 11, and at the same time, the needle 19 is removed from the seal. 13, however, the sealing member 13 is made of rubber material. In a natural state, the sealing member 13 can close the connecting frame 11. When the needle 19 passes through the sealing member 13, the sealing member 13 deforms and is stretched open. When the indwelling tube 6 is disassembled, the needle 19 is separated from the seal 13. At this time, the seal 13 will be reset and the connection frame 11 will be closed again, realizing the automatic sealing function. Therefore, through the T-shaped clamping rod 15, the clamping block 16 and The cooperation of the seal 13 facilitates the disassembly of the indwelling tube 10 and prevents the indwelling tube 10 from being too tight and making it difficult to disassemble the indwelling tube 10 .

Working principle: By driving the handle 1 to drive the puncture needle 4 downward, the protective sheath 5 and the positioning block 7 are moved downward together, and then the protective sheath 5 will penetrate the round hole 6 and be located outside the puncture needle 4, and then return through the spring 9 The elastic force drives the positioning block 7 to pass through the empty slot 8 and through the through hole 20 on the left side, thereby preventing the puncture needle 4 from being directly exposed after being taken out, and preventing medical staff from accidentally touching the puncture needle 4 and being injured, thus ensuring that the medical staff The safety of , however, the seal 13 is made of rubber material, and the needle 19 is separated from the seal 13. At this time, the seal 13 will reset and re-close the connection frame 11, thereby realizing the automatic sealing function. Therefore, through the T-shaped clamping rod 15, the clamping The cooperation between the block 16 and the seal 13 facilitates the disassembly of the indwelling tube 10 and prevents the indwelling tube 10 from being too tight and making it difficult to disassemble the indwelling tube 10 .

Claims (6)

1. An indwelling needle convenient to disassemble, comprising:

a connecting pipe (2) is arranged at the left side of the handle (1);

a hose (3) mounted on the left side of the handle (1);

a puncture needle (4) provided in the hose (3);

a protective sleeve (5) arranged in the handle (1);

a hollow groove (8) which is opened at the upper side and the lower side of the inside of the protective sleeve (5);

a positioning block (7) which is arranged in the empty groove (8);

an indwelling tube (10) which is arranged below the connecting tube (2);

a connecting frame (11) fixed on the left side below the connecting pipe (2);

a fixed frame (12) arranged above the outer side of the indwelling tube (10);

a sealing member (13) mounted on the bottom of the connection frame (11);

the fixing plates (14) are fixed at the lower end of the connecting pipe (2) and positioned at the left side and the right side of the connecting frame (11);

a T-shaped clamping rod (15) which is arranged at the outer side of the fixed plate (14) and penetrates through the inner end of the fixed plate;

the tension spring (18) is fixed between the inner end of the T-shaped clamping rod (15) and the outer end of the fixed plate (14);

a clamping block (16) fixed at the inner end of the T-shaped clamping rod (15);

and clamping grooves (17) which are arranged above the left side and the right side of the fixed frame (12).

2. A catheter for easy disassembly according to claim 1, wherein the handle (1) further comprises:

a round hole (6) which is arranged at the left side of the handle (1);

the through holes (20) are formed at the left end and the right end of the upper side and the lower side of the handle (1);

and the spring (9) is fixed between the inner end of the positioning block (7) and the bottom of the empty groove (8).

3. A conveniently disassembled indwelling needle according to claim 2, in which the outer end of the positioning block (7) passes out of the hollow groove (8) and through the right hand through hole (20).

4. The easy-to-disassemble indwelling needle according to claim 1, wherein said indwelling tube (10) further comprises:

a needle (19) which is arranged at the upper end of the indwelling tube (10).

5. The easy-to-disassemble indwelling needle according to claim 4, wherein the clamping block (16) is inserted into the clamping groove (17), the upper end of the indwelling tube (10) penetrates through the fixing frame (12) and is fixed with the bottom of the needle head (19), and the upper end of the needle head (19) penetrates through the fixing frame (12) and the sealing piece (13) and penetrates into the connecting tube (2).

6. A catheter for easy disassembly according to claim 1, characterized in that the sealing member (13) is made of rubber material.