Remaining needle

Abstract

A remaining needle is used for solving the technical problem that in the infusion process of a patient, once an infusion tube is pulled, a needle head easily punctures the blood vessel wall, and then the phenomenon that infusion on the back of a hand swells is easily caused, and comprises a needle holding handle, a needle base, a puncture needle and a needle body sleeve. One end of the three-way pipe is connected with the needle seat, the needle holding handle is connected to the needle seat, a needle body sleeve is fixedly arranged at the other end of the three-way pipe, a puncture needle is fixedly arranged on the needle holding handle and sequentially penetrates through the three-way pipe and the needle body sleeve, and a fixing assembly is fixedly arranged between the portion, close to one end of the positive pressure connector, of the infusion tube and the needle seat. The fixing assembly comprises a first adhesive tape, a second adhesive tape, a third adhesive tape and a fixing joint strip, one side of the first adhesive tape and one side of the second adhesive tape are attached to the two sides of the needle base respectively, and the two ends of the fixing joint strip are attached to the first adhesive tape and the third adhesive tape respectively.

Description

Technical Field

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

[0002] The use of intravenous catheters can reduce the pain caused by repeated venous punctures and the fear of injections in patients, reduce the anxiety of family members, facilitate clinical medication, rescue medication for emergency and critically ill patients, reduce the workload of nurses, and reduce patient pain. Therefore, intravenous catheters are widely used in clinical practice.

[0003] In the prior art, a utility model patent document with authorization announcement number "CN 216169212 U" and patent name "A New Type of Indwelling Needle" discloses a new type of indwelling needle, including an indwelling needle body, the indwelling needle body is connected to a hose, the hose is provided with a stop clamp, the end of the hose away from the indwelling needle body is provided with a heparin cap, and also includes a gasket and an application, the gasket is arranged at the bottom of the indwelling needle body, the surface of the gasket is provided with an indwelling needle fixing notch and a hose fixing groove, the hose fixing groove includes a bent portion, the bent portion is bent toward the needle tip direction of the indwelling needle body, and the application is used to stick the indwelling needle body and the gasket tightly to the skin.

[0004] The above patent document prevents patients from being crushed by the steel needle when using the indwelling needle for a long time through the cooperation between the gasket and the dressing. However, during the use of the indwelling needle, the infusion tube at one end of the indwelling needle may be pulled due to the patient's movements. Once the infusion tube is pulled during the infusion process, it is easy for the needle to puncture the blood vessel wall, which may easily cause the infusion bulge on the back of the hand. Utility Model Content

[0005] The utility model aims to solve the technical problem that during the use of the indwelling needle, the infusion tube at one end of the indwelling needle may be pulled due to the patient's movements, and once the infusion tube is pulled during the infusion process, the needle may puncture the blood vessel wall, thereby easily causing the infusion bulge on the back of the hand.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A retention needle comprises a positive pressure connector, an infusion tube, a transparent three-way tube, a needle holding handle, a needle seat, a puncture needle and a needle body sleeve, wherein the bottom of the positive pressure connector is conductively connected to the infusion tube, one end of the infusion tube is conductively connected to the three-way tube, one end of the three-way tube is connected to the needle seat and the needle holding handle is connected to the needle seat, the other end of the three-way tube is fixedly provided with a needle body sleeve, the needle holding handle is fixedly provided with a puncture needle and is sequentially passed through the three-way tube and the needle body sleeve, a fixing component is fixedly provided between the infusion tube near one end of the positive pressure connector and the needle seat, the fixing component comprises a first adhesive tape, a second adhesive tape, a third adhesive tape and a fixing strip, one side of the first adhesive tape and the second adhesive tape are respectively adhered to two sides of the needle seat, and excess parts of the first adhesive tape and the second adhesive tape are in contact with the patient's skin, the third adhesive tape is adhered to the infusion tube near one end of the positive pressure connector, and two ends of the fixing strip are respectively in contact with the first adhesive tape and the third adhesive tape.

[0008] Working principle:

[0009] When it is necessary to prevent the infusion tube at one end of the indwelling needle from being pulled due to the patient's movements during the infusion process, the medical staff can first use the needle handle to drive the puncture needle to inject the patient's vein, and at the same time the puncture needle drives the needle body sheath into the vein. Then, after the injection of the drug solution is completed, the puncture needle is withdrawn, and the needle body sheath is retained in the venous tube. Then the medical staff fixes the needle seat on the skin on one side of the patient with the first tape and the second tape, and then the operator sticks the fixing strip along the direction of the arm to the distal end of the arm. At the same time, the medical staff fixes the infusion tube close to the positive pressure connector side with the third tape. In this way, once the infusion tube is pulled during the infusion process, the needle can easily pierce the blood vessel wall, which can easily cause an infusion bulge on the back of the hand.

[0010] The beneficial effects of the utility model are:

[0011] Compared with the prior art, the present application document drives the puncture needle through the needle handle to inject into the patient's vein, and at the same time the puncture needle drives the needle body sheath into the vein, and then the puncture needle is withdrawn after the injection of the drug solution is completed, and the needle body sheath is retained in the venous tube, and then the medical staff fixes the needle seat on the skin on one side of the patient through the first tape and the second tape, and then the operator sticks the fixing strip along the direction of the arm to the distal end of the arm, and at the same time the medical staff fixes the infusion tube close to the positive pressure connector side through the third tape. This method can effectively reduce the damage to the tube wall in the blood vessel caused by the pulling of the infusion tube, thereby causing the bulging phenomenon. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of an embodiment of the utility model.

[0013] Explanation of the reference numerals in the accompanying drawings: positive pressure connector 1, infusion tube 2, three-way tube 3, needle handle 4, needle seat 5, puncture needle 6, needle body sleeve 7, first adhesive tape 8, second adhesive tape 9, third adhesive tape 10, fixing strip 11, semicircular clamping point 12, transparent non-stick layer 13, stop clamp 14, positive pressure valve 15, heparin cap 16. DETAILED DESCRIPTION

[0014] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0015] like Figure 1 As shown, an indwelling needle comprises a positive pressure connector 1, an infusion tube 2, a transparent three-way tube 3, a needle holder 4, a needle seat 5, a puncture needle 6 and a needle body sleeve 7. The bottom of the positive pressure connector 1 is conductively connected to the infusion tube 2, one end of the infusion tube 2 is conductively connected to the three-way tube 3, one end of the three-way tube 3 is connected to the needle seat 5 and the needle holder 4 is connected to the needle seat 5, the other end of the three-way tube 3 is fixedly provided with a needle body sleeve 7, the needle holder 4 is fixedly provided with a puncture needle 6 and is sequentially penetrated through the three-way tube 3 and the needle body sleeve 7, and the infusion tube 2 near one end of the positive pressure connector 1 and the needle seat 5 are fixedly provided. A fixing component is provided, which includes a first adhesive tape 8, a second adhesive tape 9, a third adhesive tape 10 and a fixing strip 11. One side of the first adhesive tape 8 and the second adhesive tape 9 are respectively adhered to the two sides of the needle seat 5, and the excess parts of the first adhesive tape 8 and the second adhesive tape 9 are in contact with the patient's skin. The third adhesive tape 10 is adhered to the infusion tube 2 near one end of the positive pressure joint 1, and the two ends of the fixing strip 11 are respectively in contact with the first adhesive tape 8 and the third adhesive tape 10. The fixing strip 11 is a hard cardboard board and can be applied to the first adhesive tape 8 and the third adhesive tape 10.

[0016] It is necessary to prevent the infusion tube 2 at one end of the indwelling needle from being pulled due to the patient's movements during the infusion process. At this time, the medical staff can first drive the puncture needle 6 through the needle handle 4 to inject the patient's vein, and at the same time, the puncture needle 6 drives the needle body sleeve 7 into the vein. Then, after the injection of the drug solution is completed, the puncture needle 6 is withdrawn, and the needle body sleeve 7 is retained in the venous tube. Then the medical staff fixes the needle seat 5 on the skin on one side of the patient through the first adhesive tape 8 and the second adhesive tape 9. Then the operator sticks the fixing strip 11 along the direction of the arm to the distal end of the arm. At the same time, the medical staff fixes the infusion tube 2 close to the positive pressure connector 1 side through the third adhesive tape 10. In this way, once the infusion tube 2 is pulled during the patient's infusion, it is easy for the needle to pierce the blood vessel wall, which makes it easy for the infusion bulge on the back of the hand to occur.

[0017] like Figure 1As shown, it also includes two semicircular clamping points 12, which are fixed on the infusion tube 2 near the side of the three-way tube 3, and also includes a plurality of transparent non-stick layers 13, which are correspondingly attached to the use side of the first adhesive tape 8, the second adhesive tape 9 and the third adhesive tape 10. The two semicircular clamping points 12 can remind medical staff to clamp the retention needle at this convex point, and the convex point can be used as the clamping point to prevent the flow stop clamp 14 from slipping off to the distal end for clamping. And the transparent non-stick layer 13 can effectively prevent dust from falling on the part that fits the patient's skin.

[0018] like Figure 1 As shown, the infusion tube 2 is provided with a stopper clamp 14 for preventing the backflow of the drug solution, one side of the positive pressure joint 1 is provided with a positive pressure valve 15 for adjusting the flow of the drug solution, and one side of the positive pressure joint 1 is provided with a heparin cap 16. The stopper clamp 14 is provided to prevent the backflow of the drug solution.

[0019] Working principle:

[0020] It is necessary to prevent the infusion tube 2 at one end of the indwelling needle from being pulled due to the patient's movements during the infusion process. At this time, the medical staff can first drive the puncture needle 6 through the needle handle 4 to inject the patient's vein, and at the same time, the puncture needle 6 drives the needle body sleeve 7 into the vein. Then, after the injection of the drug solution is completed, the puncture needle 6 is withdrawn, and the needle body sleeve 7 is retained in the venous tube. Then the medical staff fixes the needle seat 5 on the skin on one side of the patient through the first adhesive tape 8 and the second adhesive tape 9, and then the operator fixes the strip 11 Along the direction of the arm, the medical staff fixes the infusion tube 2 near the positive pressure connector 1 with the third adhesive tape 10. This prevents the infusion tube 2 from being pulled during the infusion process, which may cause the needle to pierce the blood vessel wall, and then easily cause the back of the hand to bulge. The two semicircular clamping points 12 can remind the medical staff to clamp the retention needle at this convex point, and the convex point can prevent the flow stop clamp 14 from slipping off to the distal end and clamping. The transparent non-stick layer 13 can effectively prevent dust from falling on the part that fits the patient's skin.

[0021] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An indwelling needle, comprising a positive pressure connector (1), an infusion tube (2), a transparent three-way tube (3), a needle handle (4), a needle seat (5), a puncture needle (6) and a needle body sleeve (7), characterized in that: The bottom of the positive pressure joint (1) is conductively connected to an infusion tube (2), one end of the infusion tube (2) is conductively connected to a three-way tube (3), one end of the three-way tube (3) is connected to a needle seat (5) and a needle holder (4) is connected to the needle seat (5), the other end of the three-way tube (3) is fixedly provided with a needle sleeve (7), the needle holder (4) is fixedly provided with a puncture needle (6) and is sequentially passed through the three-way tube (3) and the needle sleeve (7), and a fixing component is fixedly provided between the infusion tube (2) and the needle seat (5) near one end of the positive pressure joint (1) The fixing assembly comprises a first adhesive tape (8), a second adhesive tape (9), a third adhesive tape (10) and a fixing strip (11), one side of the first adhesive tape (8) and the second adhesive tape (9) are respectively adhered to the two sides of the needle seat (5), and the excess parts of the first adhesive tape (8) and the second adhesive tape (9) are in contact with the patient's skin, the third adhesive tape (10) is adhered to the infusion tube (2) near one end of the positive pressure connector (1), and the two ends of the fixing strip (11) are respectively in contact with the first adhesive tape (8) and the third adhesive tape (10).

2. The indwelling needle according to claim 1, characterized in that: It also includes two semicircular clamping points (12), and the two semicircular clamping points (12) are both fixedly arranged on the infusion tube (2) close to one side of the three-way tube (3).

3. The indwelling needle according to claim 1, characterized in that: It also comprises a plurality of transparent non-stick layers (13), wherein the plurality of transparent non-stick layers (13) are respectively and one by one bonded to the use side of the first adhesive tape (8), the second adhesive tape (9) and the third adhesive tape (10).

4. The indwelling needle according to claim 1, characterized in that: The infusion tube (2) is provided with a flow-stopping clamp (14) for preventing the backflow of the medicinal solution.

5. The indwelling needle according to claim 1, characterized in that: A positive pressure valve (15) for adjusting the flow rate of the drug solution is provided on one side of the positive pressure joint (1), and a heparin cap (16) is provided on one side of the positive pressure joint (1).

Images