Remaining needle fixing device

Abstract

The utility model discloses an indwelling needle fixing device, and mainly relates to an indwelling needle. Comprising a needle head, an infusion tube and a connector, one side of the needle head is communicated with the infusion tube, the end, away from the needle head, of the infusion tube is communicated with the connector, the arc surface of the connector is provided with a limiting structure, the limiting structure comprises a binding belt, the binding belt is arranged on the connector in a sleeving mode, and the binding belt is divided into a starting end and a tail end; a connecting sleeve is fixedly connected to the initial end of the binding belt, a clamping frame is slidably connected into the connecting sleeve, a clamping rod is fixedly connected to the inner side of the clamping frame, and a plurality of clamping pipes are fixedly connected to one side of the binding belt. The medical adhesive tape has the advantages that the problem that for a patient with the skin prone to sweating, the medical adhesive tape is prone to falling off from the skin after making contact with sweat on the skin, so that the fixing strength of the medical adhesive tape on a remaining needle connector is affected, and the infusion process is affected is solved.

Description

Technical Field

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

[0002] An indwelling needle is a medical device consisting of a needle, an infusion tube and a connector. The needle is inserted into the patient's blood vessel, while the catheter and the connector remain outside the body. For patients who need frequent infusions during the treatment stage, in order to avoid repeated injections and cause pain to the patients, medical staff usually use indwelling needles to assist in injecting drugs to patients.

[0003] In the prior art, when a patient needs to be infused, the needle is first inserted into the patient's blood vessel, and then the infusion tube is connected to the connector of the indwelling needle, and then the patient is infused. In order to avoid accidentally touching the connector and affecting the stability of the infusion, medical staff usually use medical tape to attach and fix the connector to the patient's skin. However, for patients with sweaty skin, the medical tape is easy to fall off the skin after contacting the sweat on the skin, thereby affecting the fixing strength of the medical tape on the indwelling needle connector, which affects the infusion process.

[0004] The present application provides another technical solution to the technical problem, aiming to provide technical personnel in the field with a variety of options for solving the problem. Utility Model Content

[0005] The utility model aims to solve the problem in the prior art that for patients whose skin is prone to sweating, the medical tape is easily peeled off from the skin after contacting the sweat on the skin, thereby affecting the fixing strength of the medical tape to the indwelling needle connector and affecting the infusion process, and proposes an indwelling needle fixing device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an indwelling needle fixing device, comprising a needle, an infusion tube, and a joint, one side of the needle is connected to the infusion tube, the end of the infusion tube away from the needle is connected to the joint, the arc surface of the joint is provided with a limiting structure, the limiting structure comprises a restraining belt, the restraining belt is sleeved on the joint, the restraining belt is divided into a starting end and an end end, the starting end of the restraining belt is fixedly connected to a connecting sleeve, a card frame is slidably connected inside the connecting sleeve, a card rod is fixedly connected to the inner side of the card frame, a plurality of card tubes are fixedly connected to one side of the restraining belt, the card tube and the card rod are located on the same side of the restraining belt, and the internal size of the card tube matches the size of the card rod.

[0007] The effect achieved by the above components is: after the needle is inserted into the patient's blood vessel and the external infusion tube is connected to the connector, the connector can be directly buckled on the patient's arm with a strap, and then the end of the strap is inserted into the card frame, and then the end of the strap is pulled to adjust the tightening strength of the strap. After the tightening strength is adjusted, the card frame is directly slid to allow the card rod of the card frame to be inserted into the card tube, thereby fixing the tightening position of the strap and achieving the effect of quickly fixing the connector.

[0008] Preferably, a connecting plate is fixedly connected to one side of the lower end of the connecting sleeve, a spring is fixedly connected to the lower surface of the connecting plate, and the other end of the spring is fixedly connected to the card frame.

[0009] The effect achieved by the above components is: elastic force can be applied to the clamping frame to improve the fixing strength between the clamping rod and the clamping tube.

[0010] Preferably, a limiting rod is slidably provided inside the spring, one end of the limiting rod is fixedly connected to the connecting plate, and the other end of the limiting rod slides through the card frame.

[0011] The effect achieved by the above components is that the spring can be made to slide and retract along the arc surface of the limiting rod, thereby limiting the direction of the spring elastic force.

[0012] Preferably, a plurality of air holes are formed on the surface of the restraint belt, and the plurality of air holes are evenly distributed on the restraint belt.

[0013] The effect achieved by the above components is that after the restraint is put on the patient's arm, the air holes can be used to assist ventilation of the wearing position.

[0014] Preferably, a plurality of suction cups are evenly and fixedly connected to one side of the restraint belt close to the joint, and the suction cups are adsorbed on the joint.

[0015] The effect achieved by the above components is: achieving the effect of improving the stability of the direct connection between the restraint belt and the joint.

[0016] Preferably, the outer side of the restraint belt is rotatably connected to a plurality of ferrules, and the cross-section of the ferrules is "C"-shaped.

[0017] The effect achieved by the above components is that the external infusion tube can be directly clamped in the clamping sleeve, thereby achieving the effect of temporarily limiting the external infusion tube connected to the connector.

[0018] In summary, the beneficial effects of the utility model are:

[0019] In the utility model, by setting a limiting structure, the connector of the patient's indwelling needle can be quickly limited and fixed without affecting the normal infusion of the patient, thereby preventing the connector from being moved by external contact and affecting the infusion. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Attached Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Attached Figure 2 It is a structural schematic diagram of the limiting structure of the utility model;

[0022] Attached Figure 3 This utility model Figure 2 A magnified image of point A;

[0023] Attached Figure 4 It is a partial structural schematic diagram of the limiting structure of the utility model;

[0024] Attached Figure 5 It is a structural schematic diagram of the connection state of the starting end and the end of the restraint belt of the utility model.

[0025] Numbers shown in the accompanying drawings: 1, needle; 2, infusion tube; 3, connector; 4, limiting structure; 401, restraining belt; 402, connecting sleeve; 403, clamping frame; 404, clamping rod; 405, clamping tube; 406, connecting plate; 407, spring; 408, limiting rod; 409, air hole; 410, suction cup; 411, clamping sleeve. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to this application.

[0027] Reference Figure 1 As shown, the utility model provides a technical solution: an indwelling needle fixing device, comprising a needle 1, an infusion tube 2, and a connector 3, one side of the needle 1 is connected to the infusion tube 2, the end of the infusion tube 2 away from the needle 1 is connected to the connector 3, and the arc surface of the connector 3 is provided with a limiting structure 4.

[0028] The specific setting and function of the limiting structure 4 will be described in detail below.

[0029] Reference Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, in this embodiment: the limiting structure 4 includes a restraining belt 401, the restraining belt 401 is sleeved on the joint 3, the restraining belt 401 is divided into a starting end and an end, the starting end of the restraining belt 401 is fixedly connected with a connecting sleeve 402, a clamping frame 403 is slidably connected inside the connecting sleeve 402, a clamping rod 404 is fixedly connected to the inner side of the clamping frame 403, and a plurality of clamping tubes 405 are fixedly connected to one side of the restraining belt 401, the clamping tubes 405 and the clamping rod 404 are located on the same side of the restraining belt 401, and the internal size of the clamping tube 405 matches the size of the clamping rod 404 After the needle 1 is inserted into the patient's blood vessel and the external infusion tube 2 is connected to the connector 3, the strap 401 can be directly buckled to the patient's arm, and then the end of the strap 401 is inserted into the clamping frame 403, and then the end of the strap 401 is pulled to adjust the tightening strength of the strap 401. After the tightening strength is adjusted, the clamping frame 403 is directly slid, and the clamping rod 404 of the clamping frame 403 is clamped into the clamping tube 405, so as to fix the tightening position of the strap 401, thereby achieving the effect of quickly fixing the connector 3. A connecting plate 406 is fixedly connected to one side of the lower end of the connecting sleeve 402, and a spring 407 is fixedly connected to the lower surface of the connecting plate 406, and the other end of the spring 407 is fixedly connected to the clamping frame 403. The effect of applying elastic force to the clamping frame 403 and improving the fixing strength between the clamping rod 404 and the clamping tube 405 is achieved. The inner sliding limit rod 408 of the spring 407 is fixedly connected with one end of the limit rod 408 and the connecting plate 406, and the other end of the limit rod 408 slides through the clamp frame 403. The spring 407 can be slid and extended along the arc surface of the limit rod 408, and the elastic force direction of the spring 407 can be limited. The surface of the restraint belt 401 is provided with a plurality of air holes 409, and the plurality of air holes 409 are evenly distributed on the restraint belt 401. After the restraint belt 401 is put on the patient's arm, the air holes 409 can be used to assist the ventilation of the wearing position. A plurality of suction cups 410 are evenly fixedly connected to the side of the restraint belt 401 close to the joint 3, and the suction cups 410 are adsorbed on the joint 3. The effect of improving the stability of the direct connection between the restraint belt 401 and the joint 3 is achieved. A plurality of ferrules 411 are rotatably connected to the outer side of the restraint belt 401, and the cross section of the ferrule 411 is "C" shaped. The external infusion tube 2 can be directly clamped in the clamping sleeve 411, so as to achieve the effect of temporarily limiting the external infusion tube 2 connected to the connector 3.

[0030] Detailed description of usage: When the patient needs to be infused, first put the strap 401 on the patient's arm, then insert the end of the strap 401 into the card frame 403 at the beginning, then directly insert the needle 1 into the patient's blood vessel, then connect the external infusion tube 2 with the connector 3, and then put the connector 3 between the strap 401 and the skin, and ensure that the connector 3 is not in the infusion blood vessel position, thereby ensuring that when the connector 3 is fixed later, it can avoid compressing the infusion blood vessel and affecting the infusion. When the strap 401 contacts the connector 3, the suction cup 410 of the strap 401 will be adsorbed on the surface of the connector 3, and then pull the card frame 403 to make the card frame 403 slides along the inside of the sleeve 411, so that the spring 407 is in a stretched state, and then the restraint belt 401 is pulled through the end of the clamping frame 403. When the restraint belt 401 is tightened to a suitable position, the clamping frame 403 is released. At this time, the spring 407 will give a pulling force to the clamping frame 403, so that the clamping frame 403 drives the clamping rod 404 to clamp on the clamping tube 405 on one side of the restraint belt 401, thereby achieving the effect of fixing the tightening degree of the restraint belt 401. At this time, the restraint belt 401 will fix the connector 3 on the patient's arm, achieving the effect of temporarily and quickly limiting the connector 3, wherein the limiting rod 408 has the effect of limiting the elastic force of the spring 407.

Claims

1. A device for fixing an indwelling needle, comprising a needle (1), an infusion tube (2), and a connector (3), characterized in that: One side of the needle (1) is connected to an infusion tube (2), and one end of the infusion tube (2) away from the needle (1) is connected to a joint (3). The arc surface of the joint (3) is provided with a limiting structure (4), and the limiting structure (4) comprises a restraining belt (401). The restraining belt (401) is sleeved on the joint (3), and the restraining belt (401) is divided into a starting end and an end. The starting end of the restraining belt (401) is fixedly connected to a connecting sleeve (402), and a clamping frame (403) is slidably connected inside the connecting sleeve (402). The inner side of the clamping frame (403) is fixedly connected to a clamping rod (404), and one side of the restraining belt (401) is fixedly connected to a plurality of clamping tubes (405), and the clamping tubes (405) and the clamping rod (404) are located on the same side of the restraining belt (401), and the inner size of the clamping tube (405) matches the size of the clamping rod (404).

2. The indwelling needle fixing device according to claim 1, characterized in that: A connecting plate (406) is fixedly connected to one side of the lower end of the connecting sleeve (402), a spring (407) is fixedly connected to the lower surface of the connecting plate (406), and the other end of the spring (407) is fixedly connected to the card frame (403).

3. The indwelling needle fixing device according to claim 2, characterized in that: A limiting rod (408) is slidably disposed inside the spring (407), one end of the limiting rod (408) is fixedly connected to the connecting plate (406), and the other end of the limiting rod (408) slides through the card frame (403).

4. The indwelling needle fixing device according to claim 1, characterized in that: A plurality of air holes (409) are provided on the surface of the restraint belt (401), and the plurality of air holes (409) are evenly distributed on the restraint belt (401).

5. The indwelling needle fixing device according to claim 1, characterized in that: A plurality of suction cups (410) are evenly and fixedly connected to one side of the restraining belt (401) close to the joint (3), and the suction cups (410) are adsorbed on the joint (3).

6. The indwelling needle fixing device according to claim 1, characterized in that: The outer side of the restraining belt (401) is rotatably connected to a plurality of clamping sleeves (411), and the cross-section of the clamping sleeves (411) is "C"-shaped.

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