Infusion port injury-free needle easy to puncture and fix

Abstract

The utility model discloses an easily punctured and fixed transfusion port non-injury needle, which comprises a non-injury needle and an extension tube connected with the tail part of the non-injury needle, a transfusion port fixer is arranged at the front end of the non-injury needle, a needle wing fixing patch is arranged at the tail part of the non-injury needle, the transfusion port fixer is a conical telescopic sleeve, the non-injury needle is inserted from the top end of the conical telescopic sleeve, and an application patch is arranged on the lower surface of the conical telescopic sleeve. A hole is formed in the center of the application and provided with an application protection film, a needle head protection sleeve is arranged in the conical telescopic sleeve, the lower end of the needle head protection sleeve is connected with the application protection film, and the upper end of the needle head protection sleeve sleeves the non-damage needle head. The fixing device can fix a subcutaneous port seat and a non-injury needle, protect the non-injury needle protruding out of the surface of the skin, and ensure accurate puncture.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a non-destructive needle for an infusion port which is easy to puncture and fix. Background Art

[0002] An implantable central venous infusion port (infusion port for short) is a closed venous infusion system that can be completely implanted in the body. It is a permanent channel for intravenous infusion and chemotherapy for cancer patients. The infusion port includes a non-destructive needle (butterfly wing needle), a catheter inserted into the subcutaneous vein, and an injection seat (port body) buried under the skin and connected to the infusion needle. The injection seat is connected to the catheter inserted into the subcutaneous vein to form a long-term vascular access, and a non-destructive needle is used to vertically puncture the injection seat for infusion.

[0003] Since the infusion port is located under the skin, the thickness of the skin and subcutaneous tissue and the depth of the infusion port are inconvenient to measure. In order to avoid inadequate puncture, a non-destructive needle that is slightly longer than the actual matching length is often selected to successfully puncture the port seat. In this way, part of the non-destructive needle body will protrude from the skin surface. The protruding needle body is hard and lacks protection. It is usually fixed with a conventional sterile dressing. However, the sterile dressing has a flat structure, does not fit tightly to the needle body, is prone to wrinkles, and has a poor fixation effect. Utility Model Content

[0004] The utility model provides a non-damage needle for an infusion port which is easy to puncture and fix, and can fix a subcutaneous port seat and the non-damage needle, thereby protecting the non-damage needle protruding from the surface of the skin.

[0005] In order to achieve the above technical purpose, the technical solution adopted by the utility model is:

[0006] The invention discloses a non-destructive needle for an infusion port which is easy to puncture and fix, comprising a non-destructive needle and an extension tube connected to the tail thereof, wherein the front end of the non-destructive needle is provided with an infusion port fixer, the tail is provided with a needle wing fixing patch, the infusion port fixer is a conical telescopic sleeve, the non-destructive needle is inserted from the top end of the conical telescopic sleeve, the lower surface of the conical telescopic sleeve is provided with an application, the center of the application is opened and provided with an application protective film, the interior of the conical telescopic sleeve is provided with a needle head protection sleeve, the lower end of the needle head protection sleeve is connected to the application protective film, and the upper end is sleeved on the needle head of the non-destructive needle.

[0007] Furthermore, the inner surface of the needle wing fixing sticker is provided with an adhesive layer and a protective film.

[0008] Furthermore, fixing clips are provided at both ends of the outer surface of the needle wing fixing patch.

[0009] Furthermore, the dressing is C-shaped, and the opening direction is the same as the subcutaneous catheter direction.

[0010] Furthermore, the inner edge of the patch is connected to the bottom edge of the infusion port fixture, and the outer edge extends beyond the infusion port fixture.

[0011] Furthermore, a heparin cap is provided at the tail end of the extension tube.

[0012] Furthermore, the infusion port fixer is made of hard plastic.

[0013] Furthermore, a circle of foam pad is provided at the bottom of the infusion port holder.

[0014] Furthermore, the bottom of the infusion port holder just covers the subcutaneous port seat.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model fixes the subcutaneous port seat through the infusion port fixator to prevent the port seat from sliding under the skin during puncture, and at the same time guides the puncture direction to guide the vertical insertion of the needle, making the puncture more accurate; the infusion port fixator can protect the non-damage needle protruding from the surface of the skin, and the needle head is always located in the infusion port fixator before and after the needle is inserted, avoiding contamination and stabbing medical personnel; the needle wing fixing patch can further fix the infusion port fixator and the non-damage needle, and the fixing clip on the needle wing fixing patch can perform secondary fixing on the extension tube to avoid pulling off the tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a side view of the utility model before puncture;

[0019] Figure 2 It is a top view of the utility model after puncture;

[0020] Figure 3 It is a side view of the utility model after puncture;

[0021] In the figure: 1-non-damaged needle, 2-extension tube, 3-infusion port holder, 4-needle wing fixing patch, 5-applicator, 6-hole, 7-applicator protective film, 8-needle protection cover, 9-fixing clip, 10-heparin cap, 11-subcutaneous port seat, 12-skin, 13-subcutaneous catheter. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0023] In the description of the embodiments of the present application, it should be noted that the indicated orientation or position relationship is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the product of the application is usually placed when in use, or is the orientation or position relationship commonly understood by technical personnel in this field. It is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0024] In the description of the embodiments of the present application, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0025] like Figure 1 As shown, a non-destructive needle for an infusion port that is easy to puncture and fix comprises a non-destructive needle 1 and an extension tube 2 connected to its tail. The front end of the non-destructive needle 1 is provided with an infusion port fixer 3, and the tail is provided with a needle wing fixer 4. The infusion port fixer 3 is a conical telescopic sleeve, and the non-destructive needle 1 is inserted from the top of the conical telescopic sleeve. The lower surface of the conical telescopic sleeve is provided with an application 5, and the center of the application 5 is provided with a hole 6 and an application protective film 7. The inside of the conical telescopic sleeve is provided with a needle head protection sleeve 8, and the lower end of the needle head protection sleeve 8 is connected to the application protective film 7, and the upper end is sleeved on the needle head of the non-destructive needle 1. Figure 2 As shown, when in use, tear off the dressing protective film 7 and remove the needle protection cover 8 together to avoid reaching into the infusion port holder 3 to take out the needle protection cover 8 and contaminating the inner wall. First, touch the subcutaneous port seat 11 with your hand to determine the position, then align the infusion port holder 3 with the subcutaneous port seat 11, paste and smooth the dressing 5, the dressing 5 is C-shaped, and when pasting, its opening is facing the subcutaneous catheter 13 to avoid compressing the catheter and affecting the liquid dripping. Then press the C-shaped dressing tightly with one hand, and pinch the needle wing fixing patch 4 with the thumb and index finger of the other hand, press down vertically to complete the infusion port puncture, check the blood return, and make sure that the needle tip has penetrated the subcutaneous port seat 11 without damage. Finally, unfold the needle wing fixing patch 4. The inner surface of the needle wing fixing patch 4 is provided with an adhesive layer and a protective film. Tear off the protective film, and paste and fix along the compressed infusion port holder 3. The outer surfaces of the needle wing fixing patch 4 are provided with fixing clips 9, as shown Figure 3 As shown, according to the needs, the extension tube 2 is bent into a U shape and inserted into the fixing clip 9 on the left or right side to complete the secondary fixation of the tail end above the puncture point, which can avoid slipping and achieve the purpose of preventing blood return.

[0026] In other embodiments, the direction of the extension tube 2 is opposite to that of the subcutaneous catheter 13, so as to fully flush the cavity in the port body when flushing and sealing the tube, but it can also be flexibly rotated to slightly adjust the direction of the extension tube 2 according to the position of the infusion port.

[0027] The inner edge of the patch 5 is connected to the bottom edge of the infusion port holder 3, and the outer edge extends beyond the infusion port holder 3. After pasting, the bottom of the infusion port holder 3 can just cover the subcutaneous port seat 11.

[0028] The tail end of the extension tube 2 is provided with a heparin cap 10, which can be connected to a syringe.

[0029] The infusion port holder 3 is made of hard plastic, and a circle of foam pad is provided at the bottom to prevent skin from being crushed.

[0030] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field may make various corresponding changes and deformations based on the present invention, but these corresponding changes and deformations should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A non-destructive needle for an infusion port that is easy to puncture and fix, comprising a non-destructive needle (1) and an extension tube (2) connected to the tail of the needle, characterized in that: The front end of the non-injury needle (1) is provided with an infusion port fixer (3), and the rear end is provided with a needle wing fixing patch (4); the infusion port fixer (3) is a conical telescopic sleeve, the non-injury needle (1) is inserted from the top end of the conical telescopic sleeve, the lower surface of the conical telescopic sleeve is provided with an application (5), the center of the application (5) is provided with an opening (6) and an application protection film (7), the interior of the conical telescopic sleeve is provided with a needle protection sleeve (8), the lower end of the needle protection sleeve (8) is connected to the application protection film (7), and the upper end is sleeved on the needle of the non-injury needle (1).

2. The non-destructive needle for an infusion port that is easy to puncture and fix according to claim 1, characterized in that: The inner surface of the needle wing fixing patch (4) is provided with an adhesive layer and a protective film.

3. The non-destructive needle for an infusion port that is easy to puncture and fix according to claim 2, characterized in that: Fixing clips (9) are provided at both ends of the outer surface of the needle wing fixing patch (4).

4. The non-destructive needle for an infusion port that is easy to puncture and fix according to claim 1, characterized in that: The dressing (5) is C-shaped, and the opening direction is the same as the direction of the subcutaneous catheter (13).

5. The non-destructive needle for an infusion port that is easy to puncture and fix according to claim 4, characterized in that: The inner edge of the patch (5) is connected to the bottom edge of the infusion port fixture (3), and the outer edge extends beyond the infusion port fixture (3).

6. The non-destructive needle for an infusion port that is easy to puncture and fix according to claim 1, characterized in that: The tail end of the extension tube (2) is provided with a heparin cap (10).

7. The non-destructive needle for an infusion port that is easy to puncture and fix according to claim 1, characterized in that: The infusion port fixer (3) is made of hard plastic.

8. The non-destructive needle for an infusion port that is easy to puncture and fix according to claim 1, characterized in that: A circle of foam pad is provided at the bottom of the infusion port fixer (3).

9. The non-destructive needle for an infusion port that is easy to puncture and fix according to claim 1, characterized in that: The bottom of the infusion port fixer (3) just covers the subcutaneous port seat (11).

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