A special needle for implantable drug delivery device capable of rotating and sliding

Abstract

The utility model discloses a rotatable and slidable special needle for an implantable drug delivery device, which relates to the technical field of medical devices, and includes: a needle handle; a needle tube connected to one end of the needle handle; a sliding column, one end of the sliding column and the other end of the needle handle being rotatably limited and connected; a working wing block that is slidably limited and matched with the other end of the sliding column; wherein, in a first state, the working wing block is clamped with the needle handle; in a second state, the end of the needle tube away from the needle handle is located in the working wing block. The technical effect of the utility model is that it is convenient for medical staff to effectively protect when removing the needle.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a special needle for an implantable drug delivery device which can rotate and slide. 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 increase safety, the dedicated needles of related implantable drug delivery devices generally have a protective structure, but the related protective structure requires medical staff to perform additional operations to wrap the needle tube after completing needle removal, so it is difficult to provide effective protection for medical staff when removing the needle. Utility Model Content

[0004] In view of the above technical problems, the utility model provides a rotatable and slidable special needle for an implantable drug delivery device, which is convenient for providing effective protection for medical staff when removing the needle.

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

[0006] A rotatable and slidable special needle for an implantable drug delivery device, comprising:

[0007] Needle handle;

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

[0009] A sliding column, one end of which is rotationally limitedly connected to the other end of the needle handle;

[0010] A working wing block that is slidably limited and matched with the other end of the sliding column;

[0011] Wherein, in a first state, the working wing block and the needle handle are engaged with each other; in a second state, an end of the needle tube away from the needle handle is located in the working wing block.

[0012] Optionally, the sliding column includes:

[0013] Column body;

[0014] a rotating table connected to one end of the column body;

[0015] Wherein, the rotating platform and the other end of the needle handle are rotationally limitedly connected.

[0016] Optionally, the sliding column also includes a rotating hole provided on the rotating table; along the direction from one end to the other end of the needle handle, the other end of the needle handle is sequentially connected with a rotating column and a limiting column; wherein, the rotating hole and the rotating column are rotatably connected, and the rotating table and the limiting column are limitedly connected.

[0017] Optionally, the sliding column further comprises a first buckle connected to the other end of the column body, and in a first state, the first buckle is buckled with the working wing block.

[0018] Optionally, the sliding column further comprises a first sliding groove provided on the column body, and the first sliding groove and the working wing block are slidably limited in cooperation.

[0019] Optionally, the working wing block includes:

[0020] Support block;

[0021] A through hole is provided at one end of the support block, wherein in the second state, an end of the needle tube away from the needle handle is located in the through hole;

[0022] A second sliding groove is provided at the other end of the support block, and the second sliding groove and the other end of the sliding column are slidably limited and matched;

[0023] A third buckle connected to the support block, wherein in a first state, the third buckle is engaged with the needle handle;

[0024] Two attachment wings are respectively connected to the two sides of the support block.

[0025] Optionally, it also includes a sliding pin, one end of which is connected to the support block, and the other end of the sliding pin is slidably limited and matched with the other end of the sliding column.

[0026] Optionally, the working wing block further comprises a second buckle connected to the support block, the second buckle is located in the second sliding groove, and in the first state, the second buckle is buckled with the other end of the sliding column.

[0027] Optionally, the working wing block further comprises a closing block connected to the supporting block, and the closing block is located on a side of the through hole away from the second sliding groove.

[0028] Optionally, it further comprises two folding wings respectively connected to the two sides of the needle handle, and in the first state, the working wing block and the two folding wings are both engaged.

[0029] The technical solution provided by the utility model has the following beneficial effects compared with the prior art: when the rotatable and slidable special needle for the implantable drug delivery device is removed, the end of the needle tube away from the needle handle (i.e., the needle tip of the needle tube) is always located within the patient's body or within the working wing block, preventing the needle tip of the needle tube from causing harm to medical staff when the needle is removed, thereby facilitating effective protection for medical staff when the needle is removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 The first state of the dedicated needle of the rotatable and slidable implantable drug delivery device proposed in the embodiment of the utility model Figure 1 ;

[0031] Figure 2 The first state of the dedicated needle of the rotatable and slidable implantable drug delivery device proposed in the embodiment of the utility model Figure 2 ;

[0032] Figure 3 The second state of the rotatable and slidable implantable drug delivery device dedicated needle according to the embodiment of the utility model Figure 1 ;

[0033] Figure 4 The second state of the rotatable and slidable implantable drug delivery device dedicated needle according to the embodiment of the utility model Figure 2 ;

[0034] Figure 5 This is one of the structural schematic diagrams of the needle handle proposed in the embodiment of the utility model;

[0035] Figure 6 This is the second structural schematic diagram of the needle handle proposed in the embodiment of the utility model;

[0036] Figure 7 This is one of the structural schematic diagrams of the sliding column proposed in the embodiment of the utility model;

[0037] Figure 8 This is the second structural schematic diagram of the sliding column proposed in the embodiment of the utility model;

[0038] Fig. 9 This is one of the structural schematic diagrams of the working wing block proposed in the embodiment of the utility model;

[0039] Fig.10 The second structural schematic diagram of the working wing block proposed in the embodiment of the utility model;

[0040] In the figure: 100, needle handle; 102, folding wing; 103, rotating column; 104, limiting column; 200, sliding column; 201, column body; 202, rotating table; 203, rotating hole; 204, first sliding groove; 205, first buckle; 206, channel; 300, working wing block; 301, supporting block; 302, attachment wing; 304, third buckle; 305, closing block; 306, through hole; 307, second sliding groove; 308, second buckle; 400, needle tube; 500, sliding pin. DETAILED DESCRIPTION

[0041] 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.

[0042] 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.

[0043] Example 1

[0044] Combined with Figure 1-10 This embodiment provides a rotatable and slidable implantable drug delivery device dedicated needle, comprising:

[0045] Needle handle 100;

[0046] A needle tube 400 connected to one end of the needle handle 100;

[0047] A sliding column 200, one end of the sliding column 200 and the other end of the needle handle 100 are rotationally limitedly connected;

[0048] A working wing block 300 that is slidably limited with the other end of the sliding column 200;

[0049] In the first state, the working wing block 300 and the needle handle 100 are engaged with each other; in the second state, the end of the needle tube 400 away from the needle handle 100 is located in the working wing block 300 .

[0050] Specifically, assuming that the initial state of the rotatable and slidable implantable drug delivery device dedicated needle is the first state, when removing the needle, the medical staff holds the working wing block 300 with one hand and pulls one end of the needle handle 100 away from the working wing block 300 with the other hand, and the needle handle 100 drives the needle tube 400 to move, and at the same time, the needle handle 100 and the working wing block 300 are no longer engaged with each other, and the other hand continues to pull one end of the needle handle 100 away from the working wing block 300, so that the other end of the needle handle 100 rotates around one end of the sliding column 200, and at the same time, the other end of the sliding column 200 is One end slides along the working wing block 300 until the end of the needle tube 400 away from the needle handle 100 is located in the working wing block 300, thereby converting the rotatable and slidable implantable drug delivery device-specific needle into the second state; in summary, when the rotatable and slidable implantable drug delivery device-specific needle is removed, it is convenient to ensure that the end of the needle tube 400 away from the needle handle 100 (i.e., the needle tip of the needle tube 400) is always located in the patient's body or in the working wing block 300, preventing the needle tip of the needle tube 400 from causing harm to medical staff when the needle is removed, thereby facilitating effective protection for medical staff when the needle is removed.

[0051] The needle handle 100 is used to carry the needle tube 400 and to drain the medicine from the medicine reservoir into the needle tube 400; the needle tube 400 is used to inject the medicine into the patient's body; the first state specifically refers to the state in which the rotatable and slidable implantable drug delivery device dedicated needle is in use, such as Figure 1-2 The second state specifically refers to the state where the rotatable and slidable implantable drug delivery device dedicated needle is in use, such as Figure 3-4 .

[0052] Further, such as Figure 7-8 , the sliding column 200 comprises:

[0053] Column body 201;

[0054] A rotating platform 202 connected to one end of the column body 201;

[0055] The rotating platform 202 and the other end of the needle handle 100 are rotationally limitedly connected.

[0056] Specifically, the column body 201 is used to carry the rotating platform 202 ; the rotating platform 202 is used to be rotationally limitedly connected with the other end of the needle handle 100 , and a channel 206 for accommodating the other end of the needle handle 100 is provided on the rotating platform 202 .

[0057] Further, such as Figure 5-8The sliding column 200 also includes a rotating hole 203 provided on the rotating table 202; along the direction from one end to the other end of the needle handle 100, the other end of the needle handle 100 is sequentially connected with a rotating column 103 and a limiting column 104; wherein the rotating hole 203 and the rotating column 103 are rotatably connected, and the rotating table 202 and the limiting column 104 are limitedly connected.

[0058] Specifically, the rotating hole 203 and the rotating column 103 are rotatably connected, which facilitates the rotatable connection between one end of the sliding column 200 and the other end of the needle handle 100; the rotating platform 202 and the limiting column 104 are limitedly connected, which facilitates the limited connection between one end of the sliding column 200 and the other end of the needle handle 100.

[0059] Further, such as Figure 7-8 The sliding column 200 also includes a first buckle 205 connected to the other end of the column body 201. In the first state, the first buckle 205 is engaged with the working wing block 300.

[0060] Specifically, in the first state, the first buckle 205 and the working wing block 300 are engaged. When the first state needs to be converted to the second state, the sliding column 200 and the working wing block 300 must first be slightly moved in the opposite direction so that the first buckle 205 and the working wing block 300 are no longer engaged, and then the state conversion is performed.

[0061] Further, such as Figure 7-8 The sliding column 200 also includes a first sliding groove 204 provided on the column body 201 , and the first sliding groove 204 and the working wing block 300 are slidably limited.

[0062] Specifically, the first sliding groove 204 and the working wing block 300 are slidably limited and matched, so as to facilitate the slidably limited and matched another end of the sliding column 200 and the working wing block 300.

[0063] Further, such as Figure 9-10 , the working wing block 300 comprises:

[0064] Support block 301;

[0065] A through hole 306 is provided at one end of the support block 301. In the second state, the end of the needle tube 400 away from the needle handle 100 is located in the through hole 306;

[0066] A second sliding groove 307 is provided at the other end of the support block 301, and the second sliding groove 307 and the other end of the sliding column 200 are slidably limited and matched;

[0067] A third buckle 304 connected to the support block 301, in a first state, the third buckle 304 is engaged with the needle handle 100;

[0068] Two attachment wings 302 are respectively connected to two sides of the supporting block 301 .

[0069] Specifically, the support block 301 is used to support the through hole 306, the second sliding groove 307, etc.; the through hole 306 is used to accommodate the end of the needle tube 400 away from the needle handle 100; the second sliding groove 307 is used to cooperate with the column body 201 of the sliding column 200 for sliding limiting, thereby increasing the relative activity stroke of the working wing block 300 and the sliding column 200, so that the needle tip of the needle tube 400 can produce a smaller elastic deformation to cooperate with the through hole 306, so that the needle tip of the needle tube 400 is easier to retract into the through hole 306, thereby simplifying the operation of medical staff; in the first state, the third buckle 304 is used to snap into the needle handle 100; the two attachment wings 302 are convenient for increasing the contact area between the working wing block 300 and the patient, thereby increasing the comfort of the patient, and are convenient for medical staff to hold down the working wing block 300.

[0070] Further, such as Figure 3 , and further includes a sliding pin 500, one end of which is connected to the support block 301, and the other end of the sliding pin 500 is slidably limitedly matched with the other end of the sliding column 200.

[0071] Specifically, the other end of the sliding pin 500 is slidably limited and matched with the first sliding groove 204 of the sliding column 200 .

[0072] Further, such as Figure 9-10 The working wing block 300 also includes a second buckle 308 connected to the support block 301 . The second buckle 308 is located in the second sliding groove 307 . In the first state, the second buckle 308 is engaged with the other end of the sliding column 200 .

[0073] Specifically, in the first state, the second buckle 308 is engaged with the first buckle 205 of the sliding column 200. When the first state needs to be converted to the second state, the sliding column 200 and the working wing block 300 must first be slightly moved in the opposite direction so that the first buckle 205 and the second buckle 308 are no longer engaged, and then the state conversion is performed.

[0074] Further, such as Figure 9-10 The working wing block 300 also includes a closing block 305 connected to the supporting block 301 , and the closing block 305 is located on a side of the through hole 306 away from the second sliding groove 307 .

[0075] Specifically, in the second state, the closing block 305 contacts the needle tip of the needle tube 400 to prevent the needle tip of the needle tube 400 from being exposed. At the same time, the needle tip of the needle tube 400 and the closing block 305 will undergo slight elastic deformation when they cooperate, so that the closing block 305 is also used to block the range of movement of the needle tip of the needle tube 400, making it difficult for the needle tip of the needle tube 400 to fall out.

[0076] Further, such as Figure 1-2, and also includes two folding wings 102 respectively connected to both sides of the needle handle 100. In the first state, the working wing block 300 and the two folding wings 102 are both engaged.

[0077] Specifically, the third buckle 304 of the working wing block 300 and the two folding wings 102 are both snap-connected, wherein the two folding wings 102 are convenient for medical staff to hold, thereby facilitating needle removal.

[0078] 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 rotatable and slidable needle for an implantable drug delivery device, characterized in that: include: Needle handle; A needle tube connected to one end of the needle handle; A sliding column, one end of which is rotationally limitedly connected to the other end of the needle handle; A working wing block that is slidably limited and matched with the other end of the sliding column; Wherein, in a first state, the working wing block and the needle handle are engaged with each other; in a second state, an end of the needle tube away from the needle handle is located in the working wing block.

2. A rotatable and slidable implantable drug delivery device dedicated needle according to claim 1, characterized in that: The sliding column comprises: Column body; a rotating table connected to one end of the column body; Wherein, the rotating platform and the other end of the needle handle are rotationally limitedly connected.

3. A rotatable and slidable implantable drug delivery device dedicated needle according to claim 2, characterized in that: The sliding column also includes a rotating hole arranged on the rotating table; along the direction from one end to the other end of the needle handle, the other end of the needle handle is sequentially connected with a rotating column and a limiting column; wherein, the rotating hole and the rotating column are rotatably connected, and the rotating table and the limiting column are limitedly connected.

4. The rotatable and slidable implantable drug delivery device dedicated needle according to claim 2, characterized in that: The sliding column also includes a first buckle connected to the other end of the column body. In a first state, the first buckle is engaged with the working wing block.

5. The rotatable and slidable implantable drug delivery device dedicated needle according to claim 2, characterized in that: The sliding column also includes a first sliding groove provided on the column body, and the first sliding groove and the working wing block are slidably limited and matched.

6. A rotatable and slidable implantable drug delivery device dedicated needle according to any one of claims 1 to 5, characterized in that: The working wing block comprises: Support block; A through hole is provided at one end of the support block, wherein in the second state, an end of the needle tube away from the needle handle is located in the through hole; A second sliding groove is provided at the other end of the support block, and the second sliding groove and the other end of the sliding column are slidably limited and matched; A third buckle connected to the support block, wherein in a first state, the third buckle is engaged with the needle handle; Two attachment wings are respectively connected to the two sides of the support block.

7. The rotatable and slidable implantable drug delivery device dedicated needle according to claim 6, characterized in that: It also includes a sliding pin, one end of which is connected to the support block, and the other end of the sliding pin is slidably limited and matched with the other end of the sliding column.

8. The rotatable and slidable implantable drug delivery device dedicated needle according to claim 6, characterized in that: The working wing block also includes a second buckle connected to the support block, the second buckle is located in the second sliding groove, and in a first state, the second buckle is buckled with the other end of the sliding column.

9. The rotatable and slidable implantable drug delivery device dedicated needle according to claim 6, characterized in that: The working wing block further comprises a closing block connected to the supporting block, and the closing block is located at a side of the through hole away from the second sliding groove.

10. A rotatable and slidable implantable drug delivery device dedicated needle according to any one of claims 1 to 5, characterized in that: It also includes two folding wings respectively connected to the two sides of the needle handle. In the first state, the working wing block and the two folding wings are both engaged.

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