A special needle for a reverse-locked needle-proof implantable drug delivery device

Abstract

The utility model discloses a special needle for an anti-needle-puncture implantable drug delivery device, which relates to the technical field of medical devices, and comprises: a needle handle; a needle tube connected to one end of the needle handle; a first wing and a second wing foldably connected to both sides of the needle handle; wherein, when the first wing and the second wing are folded toward the needle tube, the first wing and the second wing wrap the needle tube. The technical effect of the utility model is that its protective structure is simple.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a special needle for a reverse-buttoned needle-puncture-proof implantable drug delivery device. Background Art

[0002] The implantable drug delivery device needle is a medical device used to inject drugs directly into the patient's body to achieve rapid and effective drug delivery.

[0003] In order to prevent medical staff from being stabbed after the needle is removed, the dedicated needle of the relevant implantable drug delivery device generally has a protective structure. However, the relevant protective structure is complicated, which not only makes the protective operation complicated, but also easily leads to high costs. Utility Model Content

[0004] In view of the above technical problems, the utility model provides a special needle for a reverse-locked needle-puncture-proof implantable drug delivery device, which has a simple protective structure.

[0005] In order to solve the above problems, the technical solution provided by the utility model is:

[0006] A special needle for a reverse-locked needle-puncture-proof implantable drug delivery device, comprising:

[0007] Needle handle;

[0008] A needle tube connected to one end of the needle handle;

[0009] A first wing and a second wing respectively foldably connected to both sides of the needle handle;

[0010] Wherein, when the first wing and the second wing are folded toward the direction approaching the needle tube, the first wing and the second wing wrap the needle tube.

[0011] Optionally, the first wing and the second wing have the same structure, and both include:

[0012] Main body;

[0013] A protection part connected to the main body;

[0014] The main body of the first wing and the main body of the second wing are respectively foldably connected to both sides of the needle handle, and when the first wing and the second wing are folded toward the needle tube, the protective part of the first wing and the protective part of the second wing wrap the needle tube.

[0015] Optionally, the angle α between the main body and the protective portion is greater than 90 degrees, and the protective portion protrudes toward the needle tube.

[0016] Optionally, it further includes a first connecting portion and a second connecting portion, wherein the first connecting portion is foldably connected between the first wing and one side of the needle handle, and the second connecting portion is foldably connected between the second wing and the other side of the needle handle.

[0017] Optionally, also include:

[0018] a first groove formed between the first wing and one side of the needle handle, the first groove and the first connecting portion being arranged correspondingly;

[0019] A second groove is formed between the second wing and the other side of the needle handle, and the second groove and the second connecting portion are correspondingly arranged.

[0020] Optionally, also include:

[0021] A first receiving groove is provided on the first connecting portion, wherein the first receiving groove is communicated with the first groove;

[0022] A second accommodating groove is provided on the second connecting portion, and the second accommodating groove is communicated with the second groove.

[0023] Optionally, also include:

[0024] a locking block connected to the first wing;

[0025] A locking hole provided in the locking block;

[0026] a buckle block connected to the second wing;

[0027] Wherein, when the first wing and the second wing are folded toward the direction approaching the needle tube, the buckle block and the locking hole cooperate.

[0028] Optionally, also include:

[0029] a first cushion connected to the first wing;

[0030] a first limiting groove provided on the first buffer pad;

[0031] a second cushion connected to the second wing;

[0032] a second limiting groove provided on the second buffer pad;

[0033] When the first wing and the second wing are folded toward the direction approaching the needle tube, the first buffer pad and the second buffer pad are in contact, and the needle tube is located in the first limiting groove and the second limiting groove.

[0034] Optionally, also include:

[0035] a plurality of first bosses connected to the first wing;

[0036] A plurality of second bosses are connected to the second wing.

[0037] Optionally, also include:

[0038] a first slot provided on the first wing, wherein the plurality of first bosses are at least partially located in the first slot;

[0039] A second slot is provided on the second wing, and the plurality of second bosses are at least partially located in the second slot.

[0040] The technical solution provided by the utility model has the following beneficial effects compared with the prior art: the special needle of the reverse-lock anti-needlestick implantable drug delivery device is only connected to the first wing and the second wing on both sides of the needle handle by being foldable, which is equivalent to the first wing and the second wing forming a protective structure, which is convenient for saving effort in removing the needle, preventing medical staff from being stabbed after the needle is removed, and preventing safety hazards caused by discarded needle tubes, thereby making the protective structure simple, and then making the protective operation simple, and at the same time making the cost lower. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 This is one of the expanded views of a special needle for an anti-needle-puncture implantable drug delivery device proposed in an embodiment of the utility model;

[0042] Figure 2 The second expanded view of a special needle for an anti-needle-puncture implantable drug delivery device proposed in an embodiment of the utility model;

[0043] Figure 3 The third expanded view of a special needle for a reverse-buttoned needle-stick-proof implantable drug delivery device proposed in an embodiment of the utility model;

[0044] Figure 4 The fourth is an expanded view of a special needle for a reverse-locked needle-stick-proof implantable drug delivery device proposed in an embodiment of the utility model;

[0045] Figure 5 This is one of the closed diagrams of a special needle for a reverse-locked needle-puncture-proof implantable drug delivery device proposed in an embodiment of the utility model;

[0046] Figure 6 The second closed view of a special needle for an anti-needle-puncture implantable drug delivery device proposed in an embodiment of the utility model;

[0047] Figure 7 The third closed view of a special needle for a reverse-locked needle-stick-proof implantable drug delivery device proposed in an embodiment of the utility model;

[0048] In the figure: 1, first wing; 2, second wing; 3, needle handle; 4, needle tube; 51, first connecting part; 511, first accommodating groove; 52, second connecting part; 521, second accommodating groove; 61, first groove; 62, second groove; 71, locking block; 711, locking hole; 72, buckle block; 81, first buffer pad; 811, first limiting groove; 82, second buffer pad; 821, second limiting groove; 91, first boss; 92, second boss; 93, first slot; 94, second slot; 95, flexible support pad; 100, main body; 200, protective part. DETAILED DESCRIPTION

[0049] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.

[0050] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It should also be noted that, for the convenience of description, only the parts related to the utility model are shown in the accompanying drawings. The words "first", "second", etc. described in the present utility model are set for the convenience of describing the technical solution of the present utility model, and have no specific limiting effect. They are all general references and do not constitute a limiting effect on the technical solution of the present utility model. It should be noted that, in the absence of conflict, the embodiments and features in the embodiments in the present application can be combined with each other. In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying 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 utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" 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 mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be a connection between the insides of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Multiple technical solutions in the same embodiment, and multiple technical solutions in different embodiments, can be arranged and combined to form new technical solutions that do not have contradictions or conflicts, all of which are within the scope of protection required by the present utility model.

[0051] Example 1

[0052] Combined with Figure 1-7 This embodiment provides a special needle for a reverse-locked needle-puncture-proof implantable drug delivery device, comprising:

[0053] Needle handle 3;

[0054] A needle tube 4 connected to one end of the needle handle 3;

[0055] A first wing 1 and a second wing 2 are foldably connected to both sides of the needle handle 3;

[0056] When the first wing 1 and the second wing 2 are folded toward the needle tube 4 , the first wing 1 and the second wing 2 wrap the needle tube 4 .

[0057] Specifically, when it is necessary to remove the needle, the first wing 1 and the second wing 2 are first folded away from the needle tube 4, and the needle tube 4 is pulled out of the patient's body by holding the first wing 1 and the second wing 2; then the first wing 1 and the second wing 2 are folded toward the needle tube 4 until the first wing 1 and the second wing 2 wrap the needle tube 4, which is convenient for preventing medical staff from being stabbed after the needle is removed, and is convenient for preventing the abandoned needle tube 4 from causing safety hazards;

[0058] Among them, the needle handle 3 is used to carry the needle tube 4 and to drain the medicine from the medicine reservoir into the needle tube 4. In order to increase the comfort of the patient, a flexible support pad 95 can be set at the bottom of the needle handle 3. The material of the flexible support pad 95 can be sponge, rubber, etc., preferably sponge; the needle tube 4 is used to inject the medicine into the patient's body; the material of the first wing 1 and the second wing 2 can be flexible materials such as PC (polycarbonate), PP (polypropylene), PE (polyethylene) or ABS (acrylonitrile-butadiene-styrene copolymer), so that the first wing 1 and the second wing 2 can be foldably connected to the needle handle 3; in summary, the special needle of the reverse buckle anti-acupuncture implantable drug delivery device is only foldably connected to the two sides of the needle handle 3 The first wing 1 and the second wing 2 are equivalent to the first wing 1 and the second wing 2 forming a protective structure, which is convenient for making the needle removal effortless, and preventing medical staff from being stabbed after the needle is removed, and at the same time preventing the discarded needle tube 4 from causing safety hazards, thereby making the protective structure simple, and then making the protective operation simple, and at the same time making the cost low; it should be noted that the special needle for the reverse-locked anti-needlestick implantable drug delivery device can also fold the first wing 1 and the second wing 2 toward the needle tube 4 before use, thereby effectively protecting the needle tube 4 before use, thereby replacing the protective effect of the traditional rubber sleeve on the needle tube 4 before use, or cooperating with the traditional rubber sleeve to produce a double protective effect on the needle tube 4 before use.

[0059] Further, such as Figure 1 The first wing 1 and the second wing 2 have the same structure, and both include:

[0060] Main body 100;

[0061] A protection part 200 connected to the main body 100;

[0062] Among them, the main body 100 of the first wing 1 and the main body 100 of the second wing 2 can be folded and connected to the two sides of the needle handle 3 respectively. When the first wing 1 and the second wing 2 are folded toward the needle tube 4, the protective part 200 of the first wing 1 and the protective part 200 of the second wing 2 wrap the needle tube 4.

[0063] Specifically, the main body 100 of the first wing 1 and the main body 100 of the second wing 2 are convenient for medical staff to hold after the needle is removed; when the first wing 1 and the second wing 2 are folded toward the needle tube 4, the protective portion 200 of the first wing 1 and the protective portion 200 of the second wing 2 are used to wrap the needle tube 4.

[0064] Further, such as Figure 1 and 7 The angle α between the main body 100 and the protection part 200 is greater than 90 degrees, and the protection part 200 protrudes toward the needle tube 4.

[0065] Specifically, such a configuration not only facilitates the protective part 200 to effectively wrap the needle tube 4, but also makes the area of ​​the first wing 1 and the second wing 2 smaller, thereby making the area of ​​the special needle of the reverse-locking anti-needlestick implantable drug delivery device smaller, wherein the angle α can specifically be 95 degrees or 100 degrees, etc.

[0066] Further, such as Figure 1 , and also includes a first connecting portion 51 and a second connecting portion 52. The first connecting portion 51 can be folded and connected between the first wing 1 and one side of the needle handle 3, and the second connecting portion 52 can be folded and connected between the second wing 2 and the other side of the needle handle 3.

[0067] Specifically, the first connecting portion 51 enables the first wing 1 and one side of the needle handle 3 to be foldably connected, and the connection between the first connecting portion 51 and the first wing 1 is preferably an integrally formed connection, and the material of the first connecting portion 51 can be flexible materials such as PC (polycarbonate), PP (polypropylene), PE (polyethylene) or ABS (acrylonitrile-butadiene-styrene copolymer); the second connecting portion 52 enables the second wing 2 and the other side of the needle handle 3 to be foldably connected, and the connection between the second connecting portion 52 and the second wing 2 is preferably an integrally formed connection, and the material of the second connecting portion 52 can be flexible materials such as PC (polycarbonate), PP (polypropylene), PE (polyethylene) or ABS (acrylonitrile-butadiene-styrene copolymer).

[0068] Further, such as Figure 1 , also includes:

[0069] A first groove 61 is formed between the first wing 1 and one side of the needle handle 3, and the first groove 61 and the first connecting portion 51 are correspondingly arranged;

[0070] A second groove 62 is formed between the second wing 2 and the other side of the needle handle 3 , and the second groove 62 and the second connecting portion 52 are correspondingly arranged.

[0071] Specifically, when the first wing 1 and the second wing 2 are folded toward the needle tube 4, the first groove 61 is used to appropriately reduce the thickness of the first connecting portion 51 to facilitate the foldable connection of the first wing 1, and the second groove 62 is used to appropriately reduce the thickness of the second connecting portion 52 to facilitate the foldable connection of the second wing 2; when the first wing 1 and the second wing 2 are folded toward the needle tube 4, the first groove 61 is used to accommodate the deformation of the first connecting portion 51 caused by folding, so as to prevent the first wing 1 and one side of the needle handle 3 from interfering with each other, and the second groove 62 is used to accommodate the deformation of the second connecting portion 52 caused by folding, so as to prevent the second wing 2 and the other side of the needle handle 3 from interfering with each other.

[0072] Further, such as Figure 1 , also includes:

[0073] A first receiving groove 511 is provided on the first connecting portion 51, and the first receiving groove 511 is communicated with the first groove 61;

[0074] The second receiving groove 521 is provided on the second connecting portion 52 , and the second receiving groove 521 is communicated with the second groove 62 .

[0075] Specifically, when the first wing 1 and the second wing 2 are folded toward the needle tube 4, the first accommodating groove 511 is used to further reduce the thickness of the first connecting portion 51, so as to facilitate the foldable connection of the first wing 1, and the second accommodating groove 521 is used to further reduce the thickness of the second connecting portion 52, so as to facilitate the foldable connection of the second wing 2; when the first wing 1 and the second wing 2 are folded toward the needle tube 4, the first accommodating groove 511 is used to accommodate the deformation of the first connecting portion 51 caused by folding, so as to prevent the first wing 1 and one side of the needle handle 3 from interfering with each other, and the second accommodating groove 521 is used to accommodate the deformation of the second connecting portion 52 caused by folding, so as to prevent the second wing 2 and the other side of the needle handle 3 from interfering with each other.

[0076] Further, such as Figure 3 and 6 -7, also includes:

[0077] A locking block 71 connected to the first wing 1;

[0078] A locking hole 711 provided in the locking block 71;

[0079] A buckle block 72 connected to the second wing 2;

[0080] When the first wing 1 and the second wing 2 are folded toward the needle tube 4 , the buckle block 72 and the locking hole 711 are matched.

[0081] Specifically, the buckle block 72 cooperates with the locking hole 711 to facilitate locking after the first wing 1 and the second wing 2 are folded toward the needle tube 4 .

[0082] Further, such as Figure 3 , 5 and 7, also including:

[0083] A first cushion 81 connected to the first wing 1;

[0084] A first limiting groove 811 provided on the first buffer pad 81;

[0085] A second cushion 82 connected to the second wing 2;

[0086] A second limiting groove 821 provided on the second buffer pad 82;

[0087] When the first wing 1 and the second wing 2 are folded toward the needle tube 4 , the first buffer pad 81 and the second buffer pad 82 are in contact, and the needle tube 4 is located in the first limiting groove 811 and the second limiting groove 821 .

[0088] Specifically, when the first wing 1 and the second wing 2 are folded toward the needle tube 4, the first buffer pad 81 and the second buffer pad 82 are used to buffer the first wing 1 and the second wing 2. The first buffer pad 81 and the second buffer pad 82 are made of the same material, which can be sponge, rubber, etc., preferably sponge; the first limiting groove 811 and the second limiting groove 821 are both used to accommodate the needle tube 4 to prevent the needle tip of the needle tube 4 from being exposed.

[0089] Further, such as Figure 3 , also includes:

[0090] A plurality of first bosses 91 connected to the first wing 1;

[0091] A plurality of second bosses 92 connected to the second wing 2 .

[0092] Specifically, when the first wing 1 and the second wing 2 are folded away from the needle tube 4, the first bosses 91 and the second bosses 92 are used to prevent slipping, thereby facilitating the medical staff to remove the needle smoothly, wherein the cross-sectional shapes of the first bosses 91 and the second bosses 92 are the same, which can be circular, elliptical, etc., preferably circular.

[0093] Further, such as Figure 3 , also includes:

[0094] A first slot 93 is provided on the first wing 1, and a plurality of first bosses 91 are at least partially located in the first slot 93;

[0095] The second slot 94 is formed on the second wing 2 , and the plurality of second bosses 92 are at least partially located in the second slot 94 .

[0096] Specifically, the first groove 93 is used to accommodate at least part of the first bosses 91, thereby reducing the height of the first bosses 91 protruding from the surface of the first wing 1, and ensuring the flatness of the surface of the first wing 1 to a certain extent; the second groove 94 is used to accommodate at least part of the second bosses 92, thereby reducing the height of the second bosses 92 protruding from the surface of the second wing 2, and ensuring the flatness of the surface of the second wing 2 to a certain extent.

[0097] The above schematically describes the present invention and its implementation methods, which are not restrictive. The drawings show only one implementation method of the present invention, and the actual structure is not limited thereto. Therefore, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. A special needle for an anti-needlestick implantable drug delivery device, characterized in that: include: Needle handle; A needle tube connected to one end of the needle handle; A first wing and a second wing respectively foldably connected to both sides of the needle handle; Wherein, when the first wing and the second wing are folded toward the direction approaching the needle tube, the first wing and the second wing wrap the needle tube.

2. The reverse-locked needle-proof implantable drug delivery device special needle according to claim 1, characterized in that: The first wing and the second wing have the same structure, and both include: Main body; A protection part connected to the main body; The main body of the first wing and the main body of the second wing are respectively foldably connected to both sides of the needle handle, and when the first wing and the second wing are folded toward the needle tube, the protective part of the first wing and the protective part of the second wing wrap the needle tube.

3. The reverse-locked needle-proof implantable drug delivery device according to claim 2, characterized in that: An angle α between the main body and the protection portion is greater than 90 degrees, and the protection portion protrudes toward the needle tube.

4. A reverse-locked needle-proof implantable drug delivery device according to any one of claims 1 to 3, characterized in that: The needle holder also includes a first connecting portion and a second connecting portion, wherein the first connecting portion is foldably connected between the first wing and one side of the needle handle, and the second connecting portion is foldably connected between the second wing and the other side of the needle handle.

5. The reverse-locked needle-proof implantable drug delivery device special needle according to claim 4, characterized in that: Also includes: a first groove formed between the first wing and one side of the needle handle, the first groove and the first connecting portion being arranged correspondingly; A second groove is formed between the second wing and the other side of the needle handle, and the second groove and the second connecting portion are correspondingly arranged.

6. The reverse-locked needle-proof implantable drug delivery device special needle according to claim 5, characterized in that: Also includes: A first receiving groove is provided on the first connecting portion, wherein the first receiving groove is communicated with the first groove; A second accommodating groove is provided on the second connecting portion, and the second accommodating groove is communicated with the second groove.

7. A reverse-locked needle-proof implantable drug delivery device according to any one of claims 1 to 3, characterized in that: Also includes: a locking block connected to the first wing; A locking hole provided in the locking block; a buckle block connected to the second wing; Wherein, when the first wing and the second wing are folded toward the direction approaching the needle tube, the buckle block and the locking hole cooperate.

8. A reverse-locked needle-proof implantable drug delivery device according to any one of claims 1 to 3, characterized in that: Also includes: a first cushion connected to the first wing; a first limiting groove provided on the first buffer pad; a second cushion connected to the second wing; a second limiting groove provided on the second buffer pad; When the first wing and the second wing are folded toward the direction approaching the needle tube, the first buffer pad and the second buffer pad are in contact, and the needle tube is located in the first limiting groove and the second limiting groove.

9. A reverse-locked needle-proof implantable drug delivery device according to any one of claims 1 to 3, characterized in that: Also includes: a plurality of first bosses connected to the first wing; A plurality of second bosses are connected to the second wing.

10. The reverse-locked needle-proof implantable drug delivery device special needle according to claim 9, characterized in that: Also includes: a first slot provided on the first wing, wherein the plurality of first bosses are at least partially located in the first slot; A second slot is provided on the second wing, and the plurality of second bosses are at least partially located in the second slot.

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